2.Db2 Mock Testf

7/31/2019 2.Db2 Mock Testf

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DB2 TEST

1. WHAT ARE ALL THE DATA TYPE AVAILABLE TO DECLARE NUMERIC

VARIABLE.

A) GRAPHIC

B) VARGRAPHIC

C) INTEGER

D) SMALL INT

E) INT

2. WHAT ARE ALL THE DATA TYPE AVAILABLE TO DECLARE STRING

VARIABLE.

A) CHARB) VARCHAR

C) INTEGERD) SMALL INT

E) INT

3. HOW MANY BYTES WILL THESE DATA TYPE OCCUPIES

INTEGER -4DATE -10

TIME -8

TIMESTAMP -26

4.WRITE AN QUERY TO CREATE A TABLE NAMED EMPTAB.

CREATE TABLE EMPTAB(ENO NUMBER,ENAME VARCHAR(15));

5. WRITE THE QUERY TO CREATE UNIQUE INDEX FOR A PARTICULAR

COLUMN IN A TABLE.

CREATE INDEX ENAME_IX

6. HOW TO RETRIVE RECORD BASED UPON PARTIAL STRING USING QUERIES.

A) LIKE


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B) BETWEEN

C) IN

D) COALESCE USED IN ARITHMETIC OPERATION

7. WHAT ARE ALL THE COLUMN FUNCTIONS AVAILABLE IN DB2..

A) MUL

B) AVG

C) COUNT

D) REM

E) MOD

8. WHAT ARE ALL THE TYPES OF JOINS AVAILABLE.

A) LEFT INNER JOIN

B) HALF OUTER JOINC) FULL OUTER JOIND) RIGHT OUTER JOIN

9. CAN YOU HAVE MORE THAN ONE CURSOR OPEN AT ANY ONE TIME IN A

PROGRAM ?.

YES

10. WHAT IS THE DIFFERENCE BETWEEN UNION AND UNION ALL.

UNION WITHOUT DUPLICATE

UNION ALL WITH DUPLICATE

11. WHAT IS THE DIFFERENCE BETWEEN SUBQUERY AND CORELATED

SUBQUERY.

SUBQUERY EXECUTED FIRST, BUT CORELATED QUERY

12. HOW TO DELIMIT THE SQL STATEMENT IN APPLICATION PROGRAM.

USING SEMI COLON;

END-SQL;


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13. WHAT IS THE USE OF DECLARING INDICATOR VARIABLE.

A) FIND NULL

B) INSERT NULL

C) DISPLAY VALUED) INSERT VALUES

14. WHAT IS THE USE OF DECLARATION GENERATOR.

A) DECLARE COLUMNS

B) DECLARE TABLEC) DECLARE CURSOR

D) DECLARE HOST VARIABLE

15. WHAT ARE THE METHODS TO HANDLE EXCEPTION.

A) SQLCODE

B) WHENEVER

C) WHENOTHER

D) OTHERWISE

16. WHAT TYPE OF WARNING SPECIFIES THE FOLLOWING STATEMENTS

SQLWARN1 - COL VALUES ARE TRUNCATED

SQLWARN2 -NULL VALUES ARE AELIMINATEDSQLWARN3 -UNEQUAL NO IF COLUMNS WITH HOST VAR

SQLWARN4 -UPDATE, DELETE WITHOUT WHERE

17. CHOSE THE INVALID RDBMS MODELS AVAILABLE.

A) DB2

B) SYBASE

C) IMS

D) IDMS

18. NAME THE FUNCTIONS OF BIND.

SYTAX CHECK, OPTIMIZE, GENERATE APPLICATION USING

DBRM,AUTHOERIZATNION CHECKING


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19. NAME THE TYPES OF ISOLATION LEVELS AVAILABLE IN DB2.

RR -

CS

RSUR

20. WHAT IS THE DIFFERENCE BETWEEN INTENT SHARE LOCKING AND

SHARE INTENT EXCLUSIVE.

IS LOCK- ONLY READ IS POSSIBLE FOR

SIX LOCK- DO EITHER READ OR WRITE

21. CREATE ALIAS EMP FOR EMPLOYEE

A) TABLE WILL BE CREATED WITH NAME EMP

B) TABLE WILL BE CREATED WITH NAME EMPLOYEE

C) ALIAS WILL BE CREATED WITH NAME EMPD) ALIAS WILL BE CREATED WITH NAME EMPLOYEE

22. USING CURSOR CUR1 WE ARE GOING TO UPDATE A COLUMN NAMED

ESAL IN TABLE EMP

WHAT BELOW STATEMENT SHOULD BE PASSED FOR SUCCESSFUL

EXECUTION

A) WHERE CURRENT OF ESAL

B) WHERE CURRENT OF EMP

C) FOR UPDATE OF EMP

D) FOR UPDATE OF ESAL

23) WHAT IS THE RESTRICTION ON USING UNION IN EMBEDDED SQL?

A) IT HAS TO BE GIVEN IN TWO EXEC SQL

B) TWO QUERIES IN UNION SHOULD SELECT COLUMN FROM SAME

TABLE

C) IT CANNOT BE USED IN EMBEDDED PROGRAM


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D) IT HAS TO BE DECLARED USING CURSOR

24) SELECT MAX(CUST_FIRST_NAME) FROM TB_CUST;

CUST_FIRST_NAME IS A CHAR DATATYPE

THE ABOVE QUERY WILL GIVE ERROR TRUE/FALSE

25) IT IS POSSIBLE TO UPDATE A VIEW SELECTED FROM A SINGLE TABLE

TRUE/FALSE

26) A VIEW HAS BEEN CREATED WITH THREE TABLES AND THE COLUMN

FROM THE FIRST TABLE NEED TO BE UPDATED THROUGH VIEW.

IT IS NOT POSSIBLE TO DO THE ABOVE REQUEST TRUE/FALSE

27) SELECT THE VALID INTEGRITY TYPES

A) REFERENTIAL INTEGRITYB) DOMAIN INTEGRITY

C) COLUMN INTEGRITYD) ENTITY INTEGRITYE) ATTRIBUTE INTEGRITY

28) WHEN THE CURSOR WILL BECOME ACTIVE

A) DURING OPEN CURSORB) DURING CLOSE CURSOR

C) DURING DECLARE CURSOR

D) DURING FETCH CURSOR

29) VALID OPTIONS IN DECLARE CURSOR

A) ORDER BYB) FETCH

C) INTO

D) OPEN


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E) HAVING

30) IF THE TABLE SIZE IS LARGE WHICH TABLE SPACE IS PREFERED

A) SEGMENTED TABLESPACEB) PARTITIONED TABLESPACEC) SEQUENTIAL TABLESPACE

D) SIMPLE TABLESPACE

TABLE:

EMPLOYEE: ENO INT NOT NULL PRIMARY KEYENAME CHAR(10)

ESAL DECIMAL(7,2)WORKDEPT CHAR(3) FOREIGN KEYSEX CHAR

HIREDATE DATE

BIRTHDATE DATE

DEPARTMENT: DEPTNO CHAR(3) NOT NULL PRIMARY KEY

DEPTNAME CHAR(30)

EMPLOYEE TABLE:

ENO ENAME ESAL WORKDEPT

SEX HIREDATE

BIRTHDATE

00010 RAJESH 50000.00 A00 M 1995-10-20 1975-02-05

00020 SURESH 60000.00 B01 M 1992-12-31 1972-05-03

00030 SWETHA 30000.00 C01 F 1999-11-21 1978-01-20

00040 GOPAL 25000.00 E01 M 2001-08-13 1980-07-28

00050 KARTHIK 35000.00 D11 M 1997-06-06 1976-12-13

00060 SOWMYA 30000.00 D21 F 2000-11-02 1979-03-16

00070 GAYATHRI 35000.00 E11 F 2004-10-05 1983-10-01

00090 YUV RAJ 20000.00 - M 2005-06-02 1983-09-08

00100 HEMA 40000.00 C01 F 2006-03-07 1984-02-0100110 SHIVA 35000.00 D21 M 2005-09-10 1983-10-06

DEPARTMENT TABLE:

DEPTNO DEPATNAME

A00 COMPUTER SERVICE DIVISION


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B01 PLANNING

C01 INFORMATION CENTRE

D01 DEVELOPMENT CENTRE

D11 MANUFACTURING SYSTEMS

D21 ADMINISTRATION SYSTEMS

E01 SUPPORT SERVICESE11 OPERATIONS

E21 SOFTWARE SUPPORT

31. WRITE THE QUERY FOR THE EACH AND EVERY SPECIFICATIONS:

(I) RETRIEVE THE INFORMATION ABOUT THE EMPLOYEE WHO IS NOT

ASSIGNED TO ANY PROJECT.

SELECT ENAME,WORKDEPT FROM EMPLOYEE,DEPARTMENT WHEREWORKDEPT=NULL;

(II) RETRIEVE EMPLOYEE NAME, NO, WORK EXPERIENCE AND THEIR AGEORDER THE RESULT BY THEIR EXPERIENCE

SELECT ENAME, ENO,YEAR(CURRENT- DATE)-YEAR(HIREDATE) AS

EXP,YEAR(CURRENT-DATE)-YEAR(BIRTHDATE) AS AGE FROMEMPLOYEE ORDERYBY EXP.

(III) RETRIVE THE INFORMATION OF EMPLOYEE WHOS DEPARTNAME

CONTAINS WORD SERVICES

SELECT * FROM EMPLOYEE,DEPARTMENT WHEREEMPLOYEE.WORKDEPT=DEPARTMENT.WORKDEPT HAVING

LIKE=%SERVICES%

(IV) CALCULATE THE SUM OF SALARY OF THE EMPLOYEES UNDER EACH

AND EVERY DEPARTMENT


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SELECT SUM(ESAL) FROM EMPLOYEE GROUP BY WORKDEPT;

(V) CALCULATE THE AVERAGE OF THE SALARY OF EMPLOYEES IN EACH

DEPARTMENT, SELECT THE RECORDS IN DEPARTMENT A00, D11, E01

SELECT AVG(ESAL) FROM EM[LOYEE EHERE WORKDEPT IN

(A00,D11,E01) GROUP BY WORKDEPT;

(VI) RETRIEVE EMPLOYEE NO,NAME,SAL AND DEPARTMENT NAME WHOSE

SALARY IS GREATER THAN 30000 (USE JOINS)

SELECT * FROM EM

(VII) LIST THE DEPARTMENT NUMBER, EMPLOYEE NUMBER, EMPLOYEE

NAME AND SALARIES OF ALL EMPLOYEES .FOR THE LAST LINE OF THE

REPORT, DISPLAY THE SUM OF ALL THE SALARIES.

SELECT WORKDEPT,ENO,ENAME FROM UNION ALL SELECT WORKDEPT,

SUM, IS, SUM(SAL) FROM EMP GROUP BY WORKDEPT.

(VIII) LIST THE NAMES AND SALARIES FOR THE EMPLOYEE

SHOWING THE EFFECTS OF A 10 PERCENT RAISE. USE THE FOLLOWINGOUTPUT AS A. APPLY AND APPROPRIATE ORDER BY CLAUSE TO ACHIEVE

THE REQUIRED RESULTS.

SHOWN.


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LASTNAME FIRSTNME WHEN SALARY

---------- -------- --------------- -------------

JEFFERSON JAMES BEFORE A RAISE 22180.000JEFFERSON JAMES AFTER A RAISE 24398.000

JOHNSON SYBIL BEFORE A RAISE 17250.000

JOHNSON SYBIL AFTER A RAISE 18975.000

SELECT LNAME,FNAME

(IX) RETRIEVE THE EMPLOYEE NAME NO, DEPTNAME AND SALARY WHOSESALARY IS GREATER THAN THE AVERAGE OF ALL EMPLOYEES

(X) RETRIVE ALL THE INFORMATIONS FROM TABLE EMPLOYEE, IF THERE ISNO VALUE FOR PARTICULAR FIELD REPLACE IT WITH UNKNOWN

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