What is performance tuning db2?
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In case if at some point of time db2 is down, would that impact the pre-compilation process of a db2-cobol program?
What are the contents of a DCLGEN?
What is ibm db2 used for?
Mention and explain the contention situations caused by locks?
List out the three types of page locks that can be held.
If a table has a column "dept" (declared to have nulls) and there are 10 rows in the table of which 3 have a null value in the dept column, what will select count(*) and select count(distinct dept) return?
Which one allows duplicate values Union or Union All ?
What is db2 catalog database?
What is subquery ?
can we view the access paths created by dbrm ? how ? thx
How is deadlock resolved?
can we drop column from a table
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