Explain in brief how does db2 determine what lock-size to use?
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Explain correlated sub-queries.
How do you filter out the rows retrieved from a Db2 table ?
what is the soft code for deadlock ?
What are the contents of a DCLGEN?
What is the difference between a package and a plan?
6 Answers Infosys, L&T, Mphasis,
OUTER JOINS USED TO GET MATCHING AND NONMATCHING ROWS FORM 2 OR MORE TABLES BASED ON COLUMNS. SIMPLE JOINS ALSO DO THE SAME THEN WHAT IS THE USE OF OUTER JOINS.
Define check constraint.
What is sqlca?
how to take the back up of the DB2 table.
what are the copybook changes generally we done?can anyone tell me......... Thanks in advance........
Which are the db2 tools to protect integrity of the database?
Which isolation level provides maximum concurrency?