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19th May 2015, 05:27 PM
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| Re: Placement paper for Oracle
You are looking for the ORACLE Placement Papers. Here I am uploading a file that contains the ORACLE Placement Papers. You can download the ORACLE Placement Papers. Here I am also provide you some content of the file. This is as follows: 1) A. Final Year students would like a good career. B. All final year students are eligible as candidates for MBA entrance exam. C.Final Year students are entitled to work towards a good career. D.Some of those who are candidates for an MBA entrance exam are final year students E.All those eligible as candidates for an MBA exam are eligible for a good career F.All those who would like a good career are entitled to it. 1. AEF 2. EBC 3.BCF 4.CDF 2) A. All bright people acknowledge brains in others B. Some knowledgeable men are bright C. Some knowledgeable men do not acknowledge brains in others D.Some knowledgeable men are persons who are bright E.Some knowledgeable men are not bright F.All bright people do not necessarily acknowledge brains in others 1. ABE 2. ACF 3.ADE 4. ACE 3) A.Some thoughts lack clarity B.Anything unclear is not worth writing about C.Some thoughts are worth writing about D.All thoughts lack clarity E.Some thoughts are clear F. No thought is worth is writing about 1. ABF 2.BCD 3.BEF 4.BDF Directions for questions 4 to 6:Arrange the sentences A,B,C,D in a logical sequence to form a coherent paragraph. 4) A. How do you set your mental co-ordinates vis a vis the external variables if every- thing changes so fast ? B. Modern life is about managing the prices and consequences of changes C. That is creating a problem D. The pace of the changing process seems to be getting quicker overtime 1. ABDC 2.DCAB 3.BDCA 4.BCDA 5) A. Infact trying to calculate an element of chance B. The rather fanciful idea of Lady Luck favouring her own can be traced back to Pagan times when lucky gamblers were thought to be the beloved of the goddess of Good fortune C.Risks were taken in order to gain her approval ,and one of these risks was trying to Guess what would happen -for example ,which way a leaf would fall ,which way a Frog would jump D.She was seen as being capricious and prone ,occasionally ,to mockery How compiler treats variables of recursive functions What is orthogonal matrix? Given two tables and asked 2 qns on those table , One is on join and another is on NOT IN Given some qns on pointers( pretty easy) Given five qns on data structures like , lifo, fifo Qtn on primary key How NULL in sql is treated? Given a doubly linked list and asked r->left->right->data ans: r->data Explain const char *ptr and char *const ptr Remaining i didn`t remember Technical What is the output of the following program?<?xml:namespace prefix = o ns urn:schemas -microsoft-com office  ffice" "#include<stdio.h> #include<math.h> void main( ) { int a=5,b=7; printf(“%d\n”,b\a); } A. 1.4 B. 1.0 C. 1 D. 0 What is the output of the following program listing? #include<stdio.h> void main ( ) { int x,y: y=5; x=func(y++); printf(“%s\n”, (x==5)?”true”;”false”); } int func(int z) { if (z== 6) return 5; else return 6; } A True B false C either a or b D neither a nor b What is the output of the following progarm? #include<stdio.h> main( ) { int x,y=10; x=4; y=fact(x); printf(“%d\n”,y); } unsigned int fact(int x) { return(x*fact(x-1)); } A. 24 B. 10 C. 4 D. none Consider the following C program and chose collect answer #include<stdio.h> void main( ) { inta[10],k; for(k=0;k<10;k++) { a[k]=k;} printf (“%d\n”,k); } A. value of k is undefined ; unpredictable answer B. 10 C. program terminates with run time error D. 0 Consider the prog and select answer #include<stdio.h> void main ( ) { int k=4,j=0: switch (k) { case 3: j=300; case 4: j=400: case 5: j=500; } printf (“%d\n”,j); } A. 300 B. 400 C. 500 D. 0 Consider the following statements: Statement 1 A union is an object consisting of a sequence of named members of various types Statement 2 A structure is a object that contains at different times, any one of the several members of various types Statement 3: C is a compiled as well as an interpretted language Statement 4: It is impossible to declare a structure or union containing an instance of itself A. all the statements are correct B. except 4 all are correct C. statemnt 3 is only correct D. statement 1,3 are incorrect either 2 or 4 is correct consider the following program listing and select the output #include<stdio.h> main ( ) { int a=010,sum=0,tracker: for(tracker=0;tracker<=a;tracker++) sum+=tracker; printf(“ %d\n”,sum);} A. 55 B. 36 C. 28 D. n Spot the line numbers , that are valid according to the ANSI C standards? Line 1: #include<stdio.h> Line 2: void main() Line 3: { 4 : int *pia,ia; 5 :float *pafa,fa; 6 :ia=100; 7 :fa=12.05; 8 :*pfa=&ia; 9  fa=&ia;10 ia=pfa;11 :fa=(float)*pia; 12 :fa=ia; 13 :} a. 8 and 9 b. 9 and 10 c. 8 and 10 d. 10 and 11 What is the o/p of the follow pgm? #include<stdio.h> main() { char char_arr[5]=”ORACL”; char c=’E’; prinf(“%s\n”,strcat(char_arr,c)); } a: oracle b. oracl c. e d. none consider the following pgm listing #include<stdio.h> main() { int a[3]; int *I; a[0]=100;a[1]=200;a[2]=300; I=a; printf(“%d\n”, ++*I); printf(“%d\n”, *++I); printf(“%d\n”, (*I)--); printf(“%d\n”, *I); } what is the o/p a. 101,200,200,199 b. 200,201,201,100 c. 101,200,199,199 d. 200,300,200,100 which of the following correctly declares “My_var” as a pointer to a function that returns an integer a. int*My_Var(); b. int*(My_Var()); c. int(*)My_Var(); d. int(*My_Var)(); what is the memory structure employed by recursive functions in a C pgm? a. B tree b. Hash table c. Circular list d. Stack Consider the follow pgm listing? Line 1: #include<stdio.h> 2: void main() 3: { 4: int a=1; 5: const int c=2; 6: const int *p1=&c; 7: const int*p2=&a; 8: int *p3=&c; 9: int*p4=&a; what are the lines that cause compilation errors? a. 7 b. 8 c. 6 and 7 d. no errors what will be the o/p #include<stdio.h> main() { inta[3]; int *x; int*y; a[0]=0;a[1]=1;a[2]=2; x=a++; y=a; printf(“%d %d\n”, x,(++y)); } a. 0,1 b. 1,1 c. error d. 1,2 what is the procedure for swapping a,b(assume that a,b and tmp are of the same type? a. tmp=a; a=b;b=temp; b. a=a+b;b=a-b;a=a-b; c. a=a-b;b=a+b;a=b-a; d. all of the above 1. Tech + Aptitude written 2. Programming written ( main theme is to test our data structure knowledge, proficiency sorting searching algorithms will clear this round ) 3. Technical interview 4. Puzzle solving Friends if u clear all this four rounds u are ready for ORACLE. SQL AND SQL*Plus Which of the following statements contains an error? a.. SELECT * FROM emp WHERE empid = 493945; b. SELECT empid FROM emp WHERE empid= 493945; c. SELECT empid FROM emp; d. SELECT empid WHERE empid = 56949 AND lastname = 'SMITH'; Which of the following correctly describes how to specify a column alias? a. Place the alias at the beginning of the statement to describe the table. b. Place the alias after each column, separated by white space, to describe the column. c. Place the alias after each column, separated by a comma, to describe the column. d. Place the alias at the end of the statement to describe the table. The NVL function a. Assists in the distribution of output across multiple columns. b. Allows the user to specify alternate output for non-null column values. c. Allows the user to specify alternate output for null column values. d Nullifies the value of the column output Output from a table called PLAYS with two columns, PLAY_NAME and AUTHOR,is shown below.Which of the following SQL statements produced it? PLAY_TABLE "Midsummer Night's Dream", SHAKESPEARE "Waiting For Godot", BECKETT "The Glass Menagerie", WILLIAMS a SELECT play_name || author FROM plays; b SELECT play_name, author FROM plays; c SELECT play_name||', ' || author FROM plays; d SELECT play_name||', ' || author PLAY_TABLE FROM plays; Issuing the DEFINE_EDITOR="emacs" will produce which outcome? a. The emacs editor will become the SQL*Plus default text editor. b. The emacs editor will start running immediately. c. The emacs editor will no longer be used by SQL*Plus as the default text editor. d. The emacs editor will be deleted from the system. The user issues the following statement. What will be displayed if the EMPID selected is 60494? SELECT DECODE(empid,38475, "Terminated",60494, "LOA", "ACTIVE")FROM emp; a. 60494 b. LOA c. Terminatedd. ACTIVE SELECT (TO_CHAR(NVL(SQRT(59483), "INVALID")) FROM DUAL is a valid SQL statement. a. TRUE b. FALSE The appropriate table to use when performing arithmetic calculations on values defined within the SELECT statement (not pulled from a table column) is a. EMP b. The table containing the column values c. DUALD. An Oracle-defined table Which of the following is not a group function? a. avg( ) c. sqrt( ) c. sum( ) d. max( ) Once defined, how long will a variable remain so in SQL*Plus? a. Until the database is shut down b. Until the instance is shut down c. Until the statement completes d. Until the session completes The default character for specifying runtime variables in SELECT statements is a. Ampersand b. Ellipses c. Quotation marks d. Asterisk A user is setting up a join operation between tables EMP and DEPT. There are some employees in the EMP table that the user wants returned by the query, but the employees are not assigned to departments yet. Which SELECT statement is most appropriate for this user? a. select e.empid, d.head from emp e, dept d; b. Select e.empid, d.head from emp e, dept d where e.dept# = d.dept#; c. Select e.empid, d.head from emp e, dept d where e.dept# = d.dept# (+); d. Select e.empid, d.head from emp e, dept d where e.dept# (+) = d.dept#; Developer ANJU executes the following statement: CREATE TABLE animals AS SELECT * fromMASTER.ANIMALS; What is the effect of this statement? a. A table named ANIMALS will be created in the MASTER schema with the same data as the ANIMALS table owned by ANJU b. A table named ANJU will be created in the ANIMALS schema with the same data as the ANIMALS table owned by MASTER c. A table named ANIMALS will be created in the ANJU schema with the same data as the ANIMALS table owned by MASTER. d. A table named MASTER will be created in the ANIMALS schema with the same data as the ANJU table owned by ANIMALS. User JANKO would like to insert a row into the EMPLOYEE table, which has three columns: EMPID,LASTNAME, and SALARY. The user would like to enter data for EMPID 59694, LASTNAME Harris, but no salary. Which statement would work best? a. INSERT INTO employee VALUES (59694,'HARRIS', NULL); b. INSERT INTO employee VALUES (59694,'HARRIS'); c. INSERT INTO employee (EMPID, LASTNAME, SALARY) VALUES (59694,'HARRIS'); d. INSERT INTO employee (SELECT 59694 FROM 'HARRIS'); Which three of the following are valid database datatypes in Oracle? (Choose three.) a. CHAR b. VARCHAR2 c. BOOLEAN d. NUMBER Omitting the WHERE clause from a DELETE statement has which of the following effects? a. The delete statement will fail because there are no records to delete. b. The delete statement will prompt the user to enter criteria for the deletion c. The delete statement will fail because of syntax error. d. The delete statement will remove all records from the table. Creating a foreign-key constraint between columns of two tables defined with two different datatypes will produce an error. a. TRUE b. FALSE Dropping a table has which of the following effects on a nonunique index created for the table? a. No effect. b. The index will be dropped. c. The index will be rendered invalid. d. The index will contain NULL values. To increase the number of nullable columns for a table, a. Use the alter table statement. b. Ensure that all column values are NULL for all rows. c. First increase the size of adjacent column datatypes, then add the column. d. Add the column, populate the column, then add the NOT NULL constraint. Which line of the following statement will produce an error? a. CREATE TABLE goods b. (good_no NUMBER, c. good_name VARCHAR2 check(good_name in (SELECT name FROM avail_goods)), d. CONSTRAINT pk_goods_01 e. PRIMARY KEY (goodno)); f. There are no errors in this statement. MAXVALUE is a valid parameter for sequence creation. a. TRUE b. FALSE Which of the following lines in the SELECT statement below contain an error? a SELECT DECODE(empid, 58385, "INACTIVE", "ACTIVE") empid b. FROM emp c. WHERE SUBSTR(lastname,1,1) > TO_NUMBER('S') d. AND empid > 02000 e. ORDER BY empid DESC, lastname ASC; f. There are no errors in this statement. Which function below can best be categorized as similar in function to an IF-THEN-ELSE statement? a. SQRT b. DECODE c. NEW_TIME d. ROWIDTOCHAR Which two of the following orders are used in ORDER BY clauses? (choose two) a. ABS b. ASC c. DESC d. DISC You query the database with this command SELECT name FROM employee WHERE name LIKE ‘_a%’; Which names are displayed? a. Names starting with “a” b. Names starting with “a” or “A” c. Names containing “a” as second character d. Names containing “a” as any letter except the firs PL/SQL Which of the following statements is true about implicit cursors? a. Implicit cursors are used for SQL statements that are not named. b. Developers should use implicit cursors with great care. c. Implicit cursors are used in cursor for loops to handle data processing. d. Implicit cursors are no longer a feature in Oracle. Which of the following is not a feature of a cursor FOR loop? a. Record type declaration. b. Opening and parsing of SQL statements. c. Fetches records from cursor. d. Requires exit condition to be defined. A developer would like to use referential datatype declaration on a variable. The variable name is EMPLOYEE_LASTNAME, and the corresponding table and column is EMPLOYEE, and LNAME, respectively. How would the developer define this variable using referential datatypes? a. Use employee.lname%type. b. Use employee.lname%rowtype. c. Look up datatype for EMPLOYEE column on LASTNAME table and use that. d. Declare it to be type LONG. Which three of the following are implicit cursor attributes? a. %found b. %too_many_rows c. %notfound d. %rowcount e. %rowtype If left out, which of the following would cause an infinite loop to occur in a simple loop? a. LOOP b. END LOOP c. IF-THEN d. EXIT Which line in the following statement will produce an error? a. cursor action_cursor is b. select name, rate, action c. into action_record d. from action_table; e. There are no errors in this statement. The command used to open a CURSOR FOR loop is a. open b. fetch c. parse d. None, cursor for loops handle cursor opening implicitly What happens when rows are found using a FETCH statement a. It causes the cursor to close b. It causes the cursor to open c. It loads the current row values into variables d. It creates the variables to hold the current row values CREATE OR REPLACE PROCEDURE find_cpt (v_movie_id {ArgumentMode}NUMBER, v_cost_per_ticket {argument mode} NUMBER)IS BEGIN IF v_cost_per_ticket > 8.5 THEN SELECT cost_per_ticket INTO v_cost_per_ticket FROM gross_receipt WHERE movie_id = v_movie_id; END IF; END; Which mode should be used for V_COST_PER_TICKET? a. IN b. OUT c. RETURN d. IN OUT CREATE OR REPLACE TRIGGER update_show_gross {trigger information} BEGIN {additional code} END; The trigger code should only execute when the column, COST_PER_TICKET, is greater than $3.75. Which trigger information will you add? a. WHEN (new.cost_per_ticket > 3.75) b. WHEN (:new.cost_per_ticket > 3.75 c. WHERE (new.cost_per_ticket > 3.75) d. WHERE (:new.cost_per_ticket > 3.75) What is the maximum number of handlers processed before the PL/SQL block is exited when an exception occurs? a. Only one b. All that apply c. All referenced d. None For which trigger timing can you reference the NEW and OLD qualifiers? a. Statement and Row b. Statement only c. Row only d. Oracle Forms trigger CREATE OR REPLACE FUNCTION get_budget(v_studio_id IN NUMBER) RETURN number ISv_yearly_budget NUMBER; BEGIN SELECT yearly_budget INTO v_yearly_budget FROM studio WHERE id = v_studio_id; RETURN v_yearly_budget; END; Which set of statements will successfully invoke this function within SQL*Plus? a VARIABLE g_yearly_budget NUMBER EXECUTE g_yearly_budget := GET_BUDGET(11); b. VARIABLE g_yearly_budget NUMBER EXECUTE :g_yearly_budget := GET_BUDGET(11); c. VARIABLE :g_yearly_budget NUMBER EXECUTE :g_yearly_budget := GET_BUDGET(11); d. VARIABLE g_yearly_budget NUMBER :g_yearly_budget := GET_BUDGET(11); CREATE OR REPLACE PROCEDURE update_theater (v_name IN VARCHAR2, v_theater_id IN NUMBER) IS BEGIN UPDATE theater SET name = v_name WHERE id = v_theater_id; END update_theater; When invoking this procedure, you encounter the error: ORA-00001: Unique constraint (SCOTT.THEATER_NAME_UK) violated.How should you modify the function to handle this error? a. An user defined exception must be declared and associated with the error code and handled in the EXCEPTION section. b. Handle the error in EXCEPTION section by referencing the error code directly. c. Handle the error in the EXCEPTION section by referencing the UNIQUE_ERROR predefined exception. d. Check for success by checking the value of SQL%FOUND immediately after the UPDAT statement. CREATE OR REPLACE PROCEDURE calculate_budget IS v_budget studio.yearly_budget%TYPE; BEGIN v_budget := get_budget(11); IF v_budget < 30000000 THEN set_budget(11,30000000); END IF; END; You are about to add an argument to CALCULATE_BUDGET. What effect will this have? a. The GET_BUDGET function will be marked invalid and must be recompiled before the next execution. b. The SET_BUDGET function will be marked invalid and must be recompiled before the next execution. c. Only the CALCULATE_BUDGET procedure needs to be recompiled. d. All three procedures are marked invalid and must be recompiled. Which procedure can be used to create a customized error message? a. RAISE_ERROR b. SQLERRM c. RAISE_APPLICATION_ERROR d. RAISE_SERVER_ERROR The CHECK_THEATER trigger of the THEATER table has been disabled. Which command can yo issue to enable this trigger? a. ALTER TRIGGER check_theater ENABLE; b. ENABLE TRIGGER check_theater; c. ALTER TABLE check_theater ENABLE check_theater; d. ENABLE check_theater; Examine this database trigger CREATE OR REPLACE TRIGGER prevent_gross_modification {additional trigger information} BEGIN IF TO_CHAR(sysdate,’DY’) = ‘MON’ THEN RAISE_APPLICATION_ERROR(-20000,’Gross receipts cannot be ‘ || ‘deleted on Monday’); END IF; END; This trigger must fire before each DELETE of the GROSS_RECEIPT table. It should fire only once for the entire DELETE statement. What additional information must you add? a. BEFORE DELETE ON gross_receipt b. AFTER DELETE ON gross_receipt c. BEFORE (gross_receipt DELETE) d. FOR EACH ROW DELETED FROM gross_receipt Examine this function CREATE OR REPLACE FUNCTION set_budget (v_studio_id IN NUMBER, v_new_budget IN NUMBER) IS BEGIN UPDATE studio SET yearly_budget = v_new_budget WHERE id = v_studio_id; IF SQL%FOUND THEN RETURN TRUEl; ELSE RETURN FALSE; END IF; COMMIT; END; Which code must be added to successfully compile this function? a. Add “RETURN;” right before the “IS” keyword. b. Add “RETURN number” right before the “IS” keyword. c. Add “RETURN boolean” right after the “IS” keyword. d. Add “RETURN boolean” right before the “IS” keyword. Under which circumstance must you recompile the package body after recompiling the package specification? a. Altering the argument list of one of the package constructs b. Any change made to one of the package constructs c. Any SQL statement change made to one of the package constructs d. Removing a local variable from the DECLARE section of one of the package constructs Procedure and Functions are explicitly executed. This is different from a database trigger. When is a database trigger executed? a. When the transaction is committed b. During the data manipulation statement c. When an Oracle supplied package references the trigger d. During a data manipulation statement and when the transaction is committed Which Oracle supplied package can you use to output values and messages from database triggers, stored procedures and functions within SQL*Plus? a. DBMS_DISPLAY b. DBMS_OUTPUT c. DBMS_LIST d. DBMS_DESCRIBE What occurs if a procedure or function terminates with failure without being handled? a. Any DML statements issued by the construct are still pending and can be committed or rolled back. b. Any DML statements issued by the construct are committed c. Unless a GOTO statement is used to continue processing within the BEGIN section, the construct terminates. The construct rolls back any DML statements issued and returns the unhandled exception to the calling environment. Examine this code BEGIN theater_pck.v_total_seats_sold_overall := theater_pck.get_total_for_year; END; For this code to be successful, what must be true? a. Both the V_TOTAL_SEATS_SOLD_OVERALL variable and the GET_TOTAL_FOR_YEAR function must exist only in the body of the THEATER_PCK package. b. Only the GET_TOTAL_FOR_YEAR variable must exist in the specification of the THEATER_PCK package. c. Only the V_TOTAL_SEATS_SOLD_OVERALL variable must exist in the specification of the THEATER_PCK package. d. Both the V_TOTAL_SEATS_SOLD_OVERALL variable and the GET_TOTAL_FOR_YEAR function must exist in the specification of the THEATER_PCK package. A stored function must return a value based on conditions that are determined at runtime. Therefore, the SELECT statement cannot be hard-coded and must be created dynamically when he function is executed. Which Oracle supplied package will enable this feature? a. DBMS_DDL b. DBMS_DML c. DBMS_SYN d. DBMS_SQL SNAPSHOT is used for [DBA] a. Synonym, b. Table space, c System server, d Dynamic data replication Ans : D We can create SNAPSHOTLOG for[DBA] a. Simple snapshots, b. Complex snapshots, c. Both A & B, d Neither A nor B Ans : A Transactions per rollback segment is derived from[DBA] a. Db_Block_Buffers, b. Processes, c. Shared_Pool_Size, d. None of the above Ans : B ENQUEUE resources parameter information is derived from[DBA] a. Processes or DDL_LOCKS and DML_LOCKS, b. LOG_BUFFER, c. DB__BLOCK_SIZE.. Ans : A LGWR process writes information into a Database files, b Control files, c Redolog files, d All the above. Ans : C SET TRANSACTION USE ROLLBACK SEGMENT is used to create user objects in a particular Tablespace a True, b False Ans : False Databases overall structure is maintained in a file called a Redolog file, b Data file, c Control file, d All of the above. Ans : C These following parameters are optional in init.ora parameter file DB_BLOCK_SIZE, PROCESSES a True, b False Ans : False Constraints cannot be exported through EXPORT command a True, b False Ans : False It is very difficult to grant and manage common privileges needed by different groups of database users using the roles a True, b False Ans : False What is difference between a DIALOG WINDOW and a DOCUMENT WINDOW regarding moving the window with respect to the application window a Both windows behave the same way as far as moving the window is concerned. b A document window can be moved outside the application window while a dialog window cannot be moved c A dialog window can be moved outside the application window while a document window cannot be moved Ans : C What is the difference between a MESSAGEBOX and an ALERT A messagebox can be used only by the system and cannot be used in user application while an alert can be used in user application also. A alert can be used only by the system and cannot be use din user application while an messagebox can be used in user application also. An alert requires an response from the userwhile a messagebox just flashes a message and only requires an acknowledment from the user An message box requires an response from the userwhile a alert just flashes a message an only requires an acknowledment from the user Ans : C Which of the following is not an reason for the fact that most of the processing is done at the server ? a To reduce network traffic. b For application sharing, c To implement business rules centrally, d None of the above Ans : D Can a DIALOG WINDOW have scroll bar attached to it ? a Yes, b No Ans : B Which of the following is not an advantage of GUI systems ? a. Intuitive and easy to use., b. GUI's can display multiple applications in multiple windows c. GUI's provide more user interface objects for a developer d. None of the above Ans  What is the difference between a LIST BOX and a COMBO BOX ? a In the list box, the user is restricted to selecting a value from a list but in a combo box the user can type in value which is not in the list b A list box is a data entry area while a combo box can be used only for control purposes c In a combo box, the user is restricted to selecting a value from a list but in a list box the user can type in a value which is not in the list d None of the above Ans : A In a CLIENT/SERVER environment , which of the following would not be done at the client ? a User interface part, b Data validation at entry line, c Responding to user events, d None of the above Ans : D Why is it better to use an INTEGRITY CONSTRAINT to validate data in a table than to use a STORED PROCEDURE ? a Because an integrity constraint is automatically checked while data is inserted into or updated in a table while a stored procedure has to be specifically invoked b Because the stored procedure occupies more space in the database than a integrity constraint definition c Because a stored procedure creates more network traffic than a integrity constraint definition Ans : A Which of the following is not an advantage of a client/server model ? a. A client/server model allows centralised control of data and centralised implementation of business rules. b A client/server model increases developer;s productivity c A client/server model is suitable for all applications d None of the above. Ans : C What does DLL stands for ? a Dynamic Language Library b Dynamic Link Library c Dynamic Load Library d None of the above Ans : B POST-BLOCK trigger is a a Navigational trigger b Key trigger c Transactional trigger d None of the above Ans : A The system variable that records the select statement that SQL * FORMS most recently used to populate a block is a SYSTEM.LAST_RECORD b SYSTEM.CURSOR_RECORD c SYSTEM.CURSOR_FIELD d SYSTEM.LAST_QUERY Ans: D Which of the following is TRUE for the ENFORCE KEY field a ENFORCE KEY field characterstic indicates the source of the value that SQL*FORMS uses to populate the field b A field with the ENFORCE KEY characterstic should have the INPUT ALLOWED charaterstic turned off a Only 1 is TRUE b Only 2 is TRUE c Both 1 and 2 are TRUE d Both 1 and 2 are FALSE Ans : A What is the maximum size of the page ? a Characters wide & 265 characters length b Characters wide & 265 characters length c Characters wide & 80 characters length d None of the above Ans : B A FORM is madeup of which of the following objects a block, fields only, b blocks, fields, pages only, c blocks, fields, pages, triggers and form level procedures, d Only blocks. Ans : C For the following statements which is true 1 Page is an object owned by a form 2 Pages are a collection of display information such as constant text and graphics. a Only 1 is TRUE b Only 2 is TRUE c Both 1 & 2 are TRUE d Both are FALSE Ans : B The packaged procedure that makes data in form permanent in the Database is a Post b Post form c Commit form d None of the above Ans : C Which of the following is TRUE for the SYSTEM VARIABLE $$date$$ a Can be assigned to a global variable b Can be assigned to any field only during design time c Can be assigned to any variable or field during run time d None of the above Ans : B Which of the following packaged procedure is UNRESTRICTED ? a CALL_INPUT, b CLEAR_BLOCK, c EXECUTE_QUERY, d USER_EXIT Ans : D Identify the RESTRICTED packaged procedure from the following a USER_EXIT, b MESSAGE, c BREAK, d EXIT_FORM Ans : D What is SQL*FORMS a SQL*FORMS is a 4GL tool for developing & executing Oracle based interactive applications. b SQL*FORMS is a 3GL tool for connecting to the Database. c SQL*FORMS is a reporting tool d None of the above. Ans : A Name the two files that are created when you generate a form using Forms 3.0 a FMB & FMX, b FMR & FDX, c INP & FRM, d None of the above Ans : C What is a trigger a A piece of logic written in PL/SQL b Executed at the arrival of a SQL*FORMS event c Both A & B d None of the above Ans : C Which of the folowing is TRUE for a ERASE packaged procedure 1 ERASE removes an indicated Global variable & releases the memory associated with it 2 ERASE is used to remove a field from a page 1 Only 1 is TRUE 2 Only 2 is TRUE 3 Both 1 & 2 are TRUE 4 Both 1 & 2 are FALSE Ans : 1 All datafiles related to a Tablespace are removed when the Tablespace is dropped a TRUE b FALSE Ans : B Size of Tablespace can be increased by a Increasing the size of one of the Datafiles b Adding one or more Datafiles c Cannot be increased d None of the above Ans : B Multiple Tablespaces can share a single datafile a TRUE b FALSE Ans : B A set of Dictionary tables are created a Once for the Entire Database b Every time a user is created c Every time a Tablespace is created d None of the above Ans : A Datadictionary can span across multiple Tablespaces a TRUE b FALSE Ans : B What is a DATABLOCK a Set of Extents b Set of Segments c Smallest Database storage unit d None of the above Ans : C Can an Integrity Constraint be enforced on a table if some existing table data does not satisfy the constraint a Yes b No Ans : B A column defined as PRIMARY KEY can have NULL's a TRUE b FALSE Ans : B A Transaction ends a Only when it is Committed b Only when it is Rolledback c When it is Committed or Rolledback d None of the above Ans : C A Database Procedure is stored in the Database a In compiled form b As source code c Both A & B d Not stored Ans : C A database trigger doesnot apply to data loaded before the definition of the trigger a TRUE b FALSE Ans : A Dedicated server configuration is a One server process - Many user processes b Many server processes - One user process c One server process - One user process d Many server processes - Many user processes Ans : C Which of the following does not affect the size of the SGA a Database buffer b Redolog buffer c Stored procedure d Shared pool Ans : C What does a COMMIT statement do to a CURSOR a Open the Cursor b Fetch the Cursor c Close the Cursor d None of the above Ans : D Which of the following is TRUE 1 Host variables are declared anywhere in the program 2 Host variables are declared in the DECLARE section a Only 1 is TRUE b Only 2 is TRUE c Both 1 & 2are TRUE d Both are FALSE Ans : B Which of the following is NOT VALID is PL/SQL a Bool boolean; b NUM1, NUM2 number; c deptname dept.dname%type; d date1 date := sysdate Ans : B Declare fvar number := null; svar number := 5 Begin goto << fproc>> if fvar is null then << fproc>> svar := svar + 5 end if; End; What will be the value of svar after the execution ? a Error b 10 c 5 d None of the above Ans : A Which of the following is not correct about an Exception ? a Raised automatically / Explicitly in response to an ORACLE_ERROR b An exception will be raised when an error occurs in that block c Process terminates after completion of error sequence. d A Procedure or Sequence of statements may be processed. Ans : C Which of the following is not correct about User_Defined Exceptions ? a Must be declared b Must be raised explicitly c Raised automatically in response to an Oracle error d None of the above Ans : C A Stored Procedure is a a Sequence of SQL or PL/SQL statements to perform specific function b Stored in compiled form in the database c Can be called from all client environmets d All of the above Ans : D Which of the following statement is false a Any procedure can raise an error and return an user message and error number b Error number ranging from 20000 to 20999 are reserved for user defined messages c Oracle checks Uniqueness of User defined errors d Raise_Application_error is used for raising an user defined error. Ans : C Is it possible to open a cursor which is in a Package in another procedure ? a Yes b No Ans : A Is it possible to use Transactional control statements in Database Triggers? a Yes b No Ans : B Is it possible to Enable or Disable a Database trigger ? a Yes b No Ans : A PL/SQL supports datatype(s) a Scalar datatype b Composite datatype c All of the above d None of the above Ans C Find the ODD datatype out a VARCHAR2 b RECORD c BOOLEAN d RAW Ans : B Which of the following is not correct about the "TABLE" datatype ? a Can contain any no of columns b Simulates a One-dimensional array of unlimited size c Column datatype of any Scalar type d None of the above Ans : A Find the ODD one out of the following a OPEN b CLOSE c INSERT d FETCH Ans C Which of the following is not correct about Cursor ? a Cursor is a named Private SQL area b Cursor holds temporary results c Cursor is used for retrieving multiple rows d SQL uses implicit Cursors to retrieve rows Ans : B Which of the following is NOT VALID in PL/SQL ? a Select ... into b Update c Create d Delete Ans : C What is the Result of the following 'VIK'||NULL||'RAM' ? a Error b VIK RAM c VIKRAM d NULL Ans : C Declare a number := 5; b number := null; c number := 10; Begin if a > b AND a < c then a := c * a; end if; End; What will be the value of 'a' after execution ? a 50 b NULL c 5 d None of the above Ans : C Does the Database trigger will fire when the table is TRUNCATED ? a Yes b No Ans : B SUBSTR(SQUARE ANS ALWAYS WORK HARD,14,6) will return a ALWAY b S ALWA c ALWAYS Ans : C REPLACE('JACK AND JUE','J','BL') will return a JACK AND BLUE b BLACK AND JACK c BLACK AND BLUE d None of the above Ans : C TRANSLATE('333SQD234','0123456789ABCDPQRST','01234 56789') will return a 333234 b 333333 c 234333 d None of the above Ans : A EMPNO ENAME SAL A822 RAMASWAMY 3500 A812 NARAYAN 5000 A973 UMESH 2850 A500 BALAJI 5750 Use these data for the following Questions Select SAL from EMP E1 where 3 > ( Select count(*) from Emp E2 where E1.SAL > E2.SAL ) will retrieve a 3500,5000,2500 b 5000,2850 c 2850,5750 d 5000,5750 Ans : A Is it possible to modify a Datatype of a column when column contains data ? a Yes b No Ans B Which of the following is not correct about a View ? a To protect some of the columns of a table from other users b Ocuupies data storage space c To hide complexity of a query d To hide complexity of a calculations Ans : B Which is not part of the Data Definiton Language ? a CREATE b ALTER c ALTER SESSION Ans : C The Data Manipulation Language statements are a INSERT b UPDATE c SELECT d All of the above Ans : D EMPNO ENAME SAL A822 RAMASWAMY 3500 A812 NARAYAN 5000 A973 UMESH A500 BALAJI 5750 Using the above data Select count(sal) from Emp will retrieve a 1 b 0 c 3 d None of the above Ans : C If an UNIQUE KEY constraint on DATE column is created, will it accept the rows that are inserted with SYSDATE ? a Will b Won't Ans : B What are the different events in Triggers ? a Define, Create b Drop, Comment c Insert, Update, Delete d All of the above Ans : C What built-in subprogram is used to manipulate images in image items ? a Zoom_out b Zoom_in' c Image_zoom d Zoom_image Ans : C Can we pass RECORD GROUP between FORMS ? a Yes b No Ans : A SHOW_ALERT function returns a Boolean b Number c Character d None of the above Ans : B What SYSTEM VARIABLE is used to refer DATABASE TIME ? a $$dbtime$$ b $$time$$ c $$datetime$$ d None of the above Ans : A SYSTEM.EFFECTIVE.DATE varaible is a Read only b Read & Write c Write only d None of the above Ans : C How can you CALL Reports from Forms4.0 ? a Run_Report built_in b Call_Report built_in c Run_Product built_in d Call_Product built_in Ans : C When do you get a .PLL extension ? a Save Library file b Generate Library file c Run Library file d None of the above Ans : A What is built_in Subprogram ? a Stored procedure & Function b Collection of Subprogram c Collection of Packages d None of the above Ans : D GET_BLOCK property is a a Restricted procedure b Unrestricted procedure c Library function d None of the above Ans : D A CONTROL BLOCK can sometimes refer to a BASETABLE ? a TRUE b FALSE Ans : B What do you mean by CHECK BOX ? a Two state control b One state control c Three state control d none of the above Ans : C - Please check the Correcness of this Answer ( The correct answeris 2 ) List of Values (LOV) supports a Single column b Multi column c Single or Multi column d None of the above Ans : C What is Library in Forms 4.0 ? a Collection of External field b Collection of built_in packages c Collection of PL/SQl functions, procedures and packages d Collection of PL/SQL procedures & triggers Ans : C Can we use a RESTRICTED packaged procedure in WHEN_TEXT_ITEM trigger ? a Yes b No Ans : B Can we use GO_BLOCK package in a PRE_TEXT_ITEM trigger ? a Yes b No Ans : B What type of file is used for porting Forms 4.5 applications to various platforms ? a . FMB file b . FMX file c . FMT file d . EXE file Ans : C What built_in procedure is used to get IMAGES in Forms 4.5 ? a READ_IMAGE_FILE b GET_IMAGE_FILE c READ_FILE d GET_FILE Ans A When a form is invoked with CALL_FORM does Oracle forms issues SAVEPOINT ? a Yes b No Ans : A Can we attach the same LOV to different fields in Design time ? a Yes b No Ans : A How do you pass values from one form to another form ? a LOV b Parameters c Local variables d None of the above Ans : B Can you copy the PROGRAM UNIT into an Object group ? a Yes b No Ans : B 100. Can MULTIPLE DOCUMENT INTERFACE (MDI) be used in Forms 4.5 ? a Yes b No Ans : A Can MULTIPLE DOCUMENT INTERFACE (MDI) be used in Forms 4.5 ? a Yes b No Ans : A When is a .FMB file extension is created in Forms 4.5 ? a Generating form b Executing form c Save form d Run form Ans : C What is a Built_in subprogram ? a Library b Stored procedure & Function c Collection of Subprograms d None of the above Ans : D What is a RADIO GROUP ? a Mutually exclusive b Select more than one column c Above all TRUE d Above all FALSE Ans : A Identify the Odd one of the following statements ? a Poplist b Tlist c List of values d Combo box Ans : C What is an ALERT ? a Modeless window b Modal window c Both are TRUE d None of the above Ans : B Can an Alert message be changed at runtime ? a Yes b No Ans : A Can we create an LOV without an RECORD GROUP ? a Yes b No Ans : B How many no of columns can a RECORD GROUP have ? a 10 b 20 c 50 d None of the above Ans D Oracle precompiler translates the EMBEDDED SQL statemens into a Oracle FORMS b Oracle REPORTS c Oracle LIBRARY d None of the above Ans : D Kind of COMMENT statements placed within SQL statements ? a Asterisk(*) in column ? b ANSI SQL style statements(...) c C-Style comments (/*......*/) d All the above Ans : D What is TERM ? a TERM is the terminal definition file that describes the terminal from which you are using R20RUN ( Reports run time ) b TERM is the terminal definition file that describes the terminal from which you are using R20DES ( Reports designer ) c There is no Parameter called TERM in Reports 2.0 d None of the above Ans : A If the maximum records retrieved property of a query is set to 10, then a summary value will be calculated a Only for 10 records b For all the records retrieved c For all therecords in the referenced table d None of the above Ans : A With which function of a summary item in the COMPUTE AT optio required ? a Sum b Standard deviation c Variance d % of Total function Ans : D For a field in a repeating frame, can the source come from a column which does not exist in the datagroup which forms the base of the frame ? a Yes b No Ans : A What are the different file extensions that are created by Oracle Reports ? a . RDF file & .RPX file b . RDX file & .RDF file c . REP file & .RDF file d None of the above Ans : C Is it possible to Disable the Parameter form while running the report? a Yes b No Ans : A What are the SQL clauses supported in the link property sheet ? a WHERE & START WITH b WHERE & HAVING c START WITH & HAVING d WHERE, START WITH & HAVING Ans : D What are the types of Calculated columns available ? a Summary, Place holder & Procedure column b Summary, Procedure & Formula columns c Procedure, Formula & Place holder columns d Summary, Formula & Place holder columns Ans.: D If two groups are not linked in the data model editor, what is the hierarchy between them? a There is no hierarchy between unlinked groups b The group that is right ranks higher than the group that is to theleft c The group that is above or leftmost ranks higher than the group that is to right or below it d None of the above Ans : C Sequence of events takes place while starting a Database is a Database opened, File mounted, Instance started b Instance started, Database mounted & Database opened c Database opened, Instance started & file mounted d Files mounted, Instance started & Database opened Ans : B SYSTEM TABLESPACE can be made off-line a Yes b No Ans : B ENQUEUE_RESOURCES parameter information is derived from a PROCESS or DDL_LOCKS & DML_LOCKS b LOG BUFFER c DB_BLOCK_SIZE d DB_BLOCK_BUFFERS Ans : A SMON process is used to write into LOG files a TRUE b FALSE Ans : B EXP command is used a To take Backup of the Oracle Database b To import data from the exported dump file c To create Rollback segments d None of the above Ans : A SNAPSHOTS cannot be refreshed automatically a TRUE b FALSE Ans : B The User can set Archive file name formats a TRUE b FALSE Ans : A The following parameters are optional in init.ora parameter file DB_BLOCK_SIZE, PROCESS a TRUE b FALSE Ans : B NOARCHIEVELOG parameter is used to enable the database in Archieve mode a TRUE b FALSE Ans : B Constraints cannot be exported through Export command? a TRUE b FALSE Ans : B It is very difficult to grant and manage common priveleges needed by different groups of database users using roles a TRUE b FALSE Ans : B The status of the Rollback segment can be viewed through a DBA_SEGMENTS b DBA_ROLES c DBA_FREE_SPACES d DBA_ROLLBACK_SEG Ans : D Explicitly we can assign transaction to a rollback segment a TRUE b FALSE Ans : A What file is read by ODBC to load drivers ? a ODBC.INI b ODBC.DLL c ODBCDRV.INI d None of the above Ans : A 1. given a square matrix which consists only of 1 and 0......find which rows, which cols and which diagonals consist entirely of 1's. 2. given an array of integers find all possible combinations of the numbers whose sum equal to 90..... Ans : knapsack problem (in data structures - aho ullman) Note : for them solution was not the criteria.......but the approach was important......the solution should be generalized and optimized..optimization was given the top priority 3. const int MAX=10; main() { enum a {a,b,MAX}; print MAX; } ans. 2 4. enum variable is a const variable which can only be assigned a value at initialization or a non const variable which can be assigned any value in the middle of the program? ans. const variable 5. void *p; what operation cannot be performed on p? Ans : arithmetic operation unless it is properly typecasted 6. char **p="Hello"; print p,*p,**p ans. Hello (null) warning: suspicious pointer conversion 7. main() { char str[]="Geneius"; print (str); } print(char *s) { if(*s) print(++s); printf("%c",*s); } ans. suiene 8. what does the function fcloseall() does ? ans. fcloseall() closes all open streams except stdin,stdout,stderr,stdprn and stdaux 9. main() { printf("Genius %d",fun(123)); } fun(int n) { return (printf("%d",n)); } ans. 123genius3 10. difference between definition and declaration. ans. definition once while declaration more than once 11. find the error? main() { void fun(); fun(); } void fun() { int i=10; if(i<10) return 2.0; return 3.0; } ans. no error but warning 12. int a=9,b=5,c=3,d; d=(b-c)<(c-a) ? a : b; print d ans 5 13. 1+2/3*4+1=? Ans. 2 14. In C++, a variable can be defined wherever needed whereas not in C 15. main() { int i=4; fun(i=i/4); print i; } fun(int i) { return i/2; } ans 1 16. what is an array ? ans. contiguous collection of memory occupied by similar data types 17. printf("\"NITK %%SURAHKAL%% !\""); ans. "NITK %SURATHKAL% !" 18. difference between scanf and gets in case of string input ans. scanf does not accepts white space while gets does 19. table t1 m rows and x cols table t2 n rows and y cols in t1*t2 rows? cols=? ans. m*n ,x+y 20. symbol of relationship between 2 entities? 21. which one cannot come in data modelling a. customer b. student c. office d. speed Ans speed 22. can a database table exist without a primary key ? 23. whether higher normal forms better than lower forms as far redundancy is concerned ? ans. higher 24. file is at which level ans. conceptual level 25. what is a foreign key ans. primary key in some other table |
