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DB2 Interview Questions
Questions Answers Views Company eMail

How to resolve the -305 error code in DB2? And also please let me know, how to resolve the db2 error codes.

TCS,

7 57558

Is it possible to precompile if db2 goes down?

Target,

4 10509

Can we install 2 different versions of Db2 on same mainframe?

3 6405

I have a DB2 table which has 1000 rows.after udatingg first 110 rows, my job abends. Now what I have to do if I want to restart the job next time so that it should start updating from 111th row (without updating first 110 rows again).

Cap Gemini, Wipro,

10 47377

Do we have any optinon to search part of integer in DB2 as we have for character Like,SUBSTR optins?

1 7442

How to solved 818 error

Keane India Ltd, Wipro,

4 10851

what is commit & rollback? When and where is used while compiling a cobol-db2 program?

2 19512

How do you prepare a COBOL + DB2 program from coading till execution ?

Amdocs, Xansa,

1 8769

what are the frequent DB2 abends did you encounter in your programs ?? What are different SQL abends ??

Xansa,

4 10571

How do you Load a table ?? and what is Load replace ?

Xansa,

2 29366

what is a plan and how do you refer the plan in the program?

Xansa,

2 5057

why should we bind the DB2 program . What if we did not BIND a BD2 program ??

Infosys, TCS, Xansa,

9 28480

My DB2 program first read the data from a file and then it look into a table with the data it got from the file.If we did not bind the program , should the file read before SQL execution be success??

Xansa,

2 4077

what is copy pending and check pending ?

Xansa,

1 8660

what needs to be done if a table is in copy pending / check pending status?

Xansa,

5 18548


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Un-Answered Questions { DB2 }

Explain in detail about buffer manager and its functionalities?

172


What is concurrency?

176


SET is the ANSI standard for variable assignment, SELECT is not. SET can only assign one variable at a time, SELECT can make multiple assignments at once. If assigning from a query, SET can only assign a scalar value. If the query returns multiple values/rows then SET will raise an error. SELECT will assign one of the values to the variable and hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one) When assigning from a query if there is no value returned then SET will assign NULL, where SELECT will not make the assignment at all (so the variable will not be changed from it's previous value) As far as speed differences - there are no direct differences between SET and SELECT. However SELECT's ability to make multiple assignments in one shot does give it a slight speed advantage over SET.

1663


Define check constraint.

183


Explain the contents that are a part of dclgen.

178






Comment whether the cursor is closed during commit or not.

168


What is the use of value function?

157


How do you select a row using indexes in db2?

131


What is copy pending and check pending in db2?

115


Explain about mirror activator disk mirroring?

115


What are db2 tables?

112


what is the role of the cursor in db2?

166


Which are the db2 tools to protect integrity of the database?

192


What is load replace in db2?

117


What is the difference between oracle and db2?

129