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 15341

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 9319

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

2 6325

how to fetch multiple records without using cursor

HCL,

14 39578

what is datacom db?

CSC,

2 8263

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 14263

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 16383

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

Zensar,

3 11745

why we create view.

5 10144

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 10543

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 27186

What are the functions in DB2?

Satyam,

3 9395

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

Satyam,

5 15335

can we drop column from a table

INDUS,

7 21098

How to get Top 10 Salaries from a Table

Accenture, HTC,

11 28055

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Un-Answered Questions { DB2 }

What is the reason behind not using select * in embedded sql programs?

1111

What is database reorganization?

1125

How to check table size in db2 sap?

1034

What is the purpose of rollback and commit?

1190

define clustering index.

1024

What is lock escalation in db2?

1029

What is difference between alias and synonym in db2?

1138

What is the maximum size of varchar data type in db2?

1131

What is netezza database?

1023

What does db2 blu stand for?

1165

What is the physical storage length of timestamp data type?

1091

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

1075

what are bind concepts in db2 cobol?

1090

What is the physical storage length of the data types date, time, and timestamp?

1084

What is dbrm?

1105

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