DB2 Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

DB2 Interview Questions

Questions Answers Views Company eMail

How we create a tables in db2,what is the process/syntax to create a table with example plz?

2 15363

4. A DB2 application is bound with uncommitted Read isolation level.It issues a request that retrieves 20 rows out of 200000 in the table. Which of the following descrbes the rows that are locked as a result of this request? a. None of the rows are locked. B.The retrieved rows are locked. C.The last row of the result set is locked. D.The rows not previously updated by another application are locked.

Wipro,

3 9343

If we have 100 records in the PF, we deleted all the records then what is the Size of the PF?

2 6342

how to fetch multiple records without using cursor

HCL,

14 39655

what is datacom db?

CSC,

2 8290

db2 query I have one table with the following details. SNO SNAME DOJ ------ -------------------- ---------- 10 KRISH 2007-03-19 20 REDDY 2007-05-19 30 RRRRR 2007-05-19 40 BBBBB 2008-05-19 50 CCCCC 2009-05-19 60 JJJJJ 2009-05-19 70 JJJJJ 2004-05-19 i want the output in the following format:( no of students joined in each year(no nedd to consider about month and date) year count --------- ---------- 2004 1 2007 3 2008 1 2009 2

TCS,

9 14320

what will be the output of the below given query, if no matching records are found : (a.) 0 (b.) null (c.) error select Avg(salary) from TableA where Deptno = 'insurance'

Amdocs,

10 16432

Can we use select * statement in cobol program without giving field names ???

Zensar,

3 11764

why we create view.

5 10183

quary for 1> fetch last record 2> fetch in reverse order 3> fetch last 5 row 4> fetch second last record (their is no primary key) i think concept of count can be use for this in 4th

5 10577

I have a table which has thousand of records i want to fetch only record num 100 to record num 200. Write a query that satisfies this criteria.(Cant use any keys) Anyone please reply ASAP!

KNIT, Tech Mahindra,

17 27253

What are the functions in DB2?

Satyam,

3 9422

How to know the primary key of a table without defining the primary key in the table?

Satyam,

5 15369

can we drop column from a table

INDUS,

7 21134

How to get Top 10 Salaries from a Table

Accenture, HTC,

11 28118

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Un-Answered Questions { DB2 }

What is a page in db2?

1029

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1242

What is difference between rollback and commit?

1167

What db2 400?

1204

What is meant by explain?

1138

What r the comman abends in db2, jcl and cobol???????

2262

Mention the way of highlighting as well as putting a cursor to use in a cobol program.

1081

What is host variable?

1063

How is a typical db2 batch pgm executed?

1182

Name the various locking levels available?

1101

What is the maximum length of sqlca?

1533

What do you mean by between and in? Is between inclusive of specified range values?

1092

What does db2 plan contain?

1031

What is dclgen in db2?

1153

What is iseries database?

1056

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