What is a trigger in the db2 database?
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What is a buffer pool?
what are the copybook changes generally we done?can anyone tell me......... Thanks in advance........
What is a DB2 catalog?
Explain the EXPLAIN statement?
What is a subselect? Is it different from a nested select?
Define sqlca.
If we have 100 records in the PF, we deleted all the records then what is the Size of the PF?
What is REORG? When is it used?
On the create tablespace, what does the CLOSE parameter do?
What are delete-connected tables?
could you give me an example how, where i code CHECKPOINT and restart...I need and example....thanks..
Q1. How will you use two different DB2 qualifiers in a single COBOL program? Suppose we have 2 tables EMP1 and EMP2 with same structure defined in two different DB2 qualifiers QUAL1.EMP1 and QUAL2.EMP2 now during first 15 days we want to use QUAL1.EMP1 and rest of the days QUAL2.EMP2 how will we do this. We can create a single program and a single load for this program.
COBOL 
