DB2 Interview Questions
Questions Answers Views Company eMail

Could anyone clearly explain the diference between sub query and correlated sub query?

3 4871

which is the most efficient tablespace?? a.simple tablespace. b.partitioned tablespace. c.segmented tablespace. d.none of the above. please post answer with the reason.?

3 5263

db2 maintains information about the data... a.in tables. b.in a set of tables known as db2 catalog. c.in db2 database. d.none of the above.

1 3132

database DSNDB01 means a.db2 catalog b.db2 directory c.BSDS d.active logs answer with reason please

1 5039

WHAT IS NULL INDICATOR ? WERE IS THIS USED? AND IF IT IS USED IN FILES CONCEPT? HOW DO WE USE IT?

IBM,

2 5999

what is cursor stability?

IBM,

2 5270

how do we solve soc 7 and soc4 ?

Tech Mahindra,

3 9158

Hi Dude,this is Ram.could any one tell me aboue CURRENT OF clause in DB2. Thanks in advance.......

2 4223

how to check the table is empty or not?

IBM,

3 10240

what is the difference between where clause and having clause

IBM,

2 7835

In cobol+DB2program if the code of cobol program has changed than i have to do precompilation once again?

TCS,

6 9331

what is utility for parm lib

IBM,

1888

what is parm utility

IBM,

2 3786

what is load and unload in db2

IBM,

1 5195

how to copy the host variables from ps file into cobol program other than include statement

Syntel,

1 7079


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Un-Answered Questions { DB2 }

What is the result of open cursor statement?

642


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

611


what is db2 restart?

1701


Explain about dbrm.

613


How connect db2 database to datastage?

774






Name the various locking levels available?

640


How to execute stored procedures?

626


While unloading huge amount of data from table. Suddenly job failed some error. Imagine 1M data unloading, In that 90% data unloaded only 10% left, So if want to unload the rest 10% what needs to be done? Whether do i need to start from top or anything ?

1827


What is the difference between cursor and select statement?

621


What are the various isolation levels possible?

653


Following a db2 update statement, what is the quickest way to compute the total number of updated rows?

630


What is the use of db2?

592


For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

666


Name the lockable units in DB2?

669


What is buffer pool in the db2 database?

625