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DB2 Interview Questions
Questions Answers Views Company eMail

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

 3 6006

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 6407

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 4071

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

1 5887

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

IBM,

2 6983

what is cursor stability?

IBM,

2 6197

how do we solve soc 7 and soc4 ?

Tech Mahindra,

3 10583

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

 2 5219

how to check the table is empty or not?

IBM,

3 11634

what is the difference between where clause and having clause

IBM,

2 8865

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

TCS,

6 11327

what is utility for parm lib

IBM,

2375

what is parm utility

IBM,

2 4750

what is load and unload in db2

IBM,

1 5969

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

Syntel,

1 7952

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Un-Answered Questions { DB2 }

Explain the function of data manager.

1044

can any one provide me the link for the db2 v7 & db2 v8 manual for Z/os? i need to know about the syntax of REORG in both versions & need to know the difference as well

2248

What are the bind parameters ibm db2?

1053

How to find the number of rows in db2 tables?

1071

Before you give the explain statement, what are the prerogatives?

1036

define clustering index.

1026

What is the picture clause of null indicator variable?

1138

What is ibm db2 connect?

999

Why do we use cursor?

1099

Hi Everyone... Under the Logical files, when am working on multiple rec format logical file, I have joined two pf's using the multiple record format logical file concept, but when i run queried the LF only the first mentioned pf records are reflecting and I am not able to see any of the field records specified under the second pf. Kindly let me know whats the reason behind this. Below is the str of LF., R rec PFILE(LOGICAA) CUSTNO CUSTNAME BILL K CUSTNO R rec1 PFILE(LOGICAA1) CUSTNO ADD K CUSTNO .....

2365

What is drop table?

1010

Explain what are the various isolation levels possible?

1044

I understand Join always perform better than subqueries. Then what is the advantage/use of Subqueries/correlated subqueries etc.,in DB2 programming.Please explain.

2065

Which command is used to connect to a database in DB2 ? Give the Syntax.

1102

List out the data types available.

1153

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