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 15349

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 9329

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

2 6334

how to fetch multiple records without using cursor

HCL,

14 39616

what is datacom db?

CSC,

2 8274

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 14292

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 16395

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

Zensar,

3 11751

why we create view.

5 10162

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 10565

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 27213

What are the functions in DB2?

Satyam,

3 9412

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

Satyam,

5 15356

can we drop column from a table

INDUS,

7 21115

How to get Top 10 Salaries from a Table

Accenture, HTC,

11 28092

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Un-Answered Questions { DB2 }

How many types of page locks can be held in db2?

1042

What is a buffer in memory?

1058

What is package in db2 mainframe?

988

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

1077

What is dclgen in db2?

1149

What is a dbrm in db2?

1021

Which is faster delete or truncate?

1127

Where do you specify them?

1281

What is dbrm?

1105

How many databases are there?

1054

What is the use of dclgen in db2?

1085

How can you quickly find out the # of rows updated after an update statement?

1049

How can we read records for specific member in CL? AND rpg?

700

What is db2 bind process?

1240

Mention data types used in db2 ?

1159

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