What is explain in db2?
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What is the use of runstats in db2?
Can a unique index have more than one null value? If not, what error code is given if an attempt is made to insert more than one null value?
Give the name of some fields form sqlca.
what is plan? is plan executable or package?
How does a cursor work?
In BIND, isolation level parameter specifies the duration of page lock and ACQUIRE, RELEASE also do almost the same thing. What is the exact difference between the two? Do they work in conjunction while executing SQL queries and obtaining locks?
What is iseries database?
How to create a table using embedded sql?
Explain the contention situations caused by locks?
Who uses db2?
What is coalesce in db2?
When Can you be sure that a query will return only one row?