What is EXPLAIN?



What is EXPLAIN?..

Answer / sadiq afroze

EXPLAIN is used to display the access path as determined by
the optimizer for a SQL statement. It can be used in SPUFI
(for single SQL statement) or in BIND step (for embedded
SQL). The results of EXPLAIN is stored in U.PLAN_TABLE
where U is the authorization id of the user

Is This Answer Correct ?    5 Yes 0 No

Post New Answer

More DB2 Interview Questions

How can you count the number of rows from a table tab?

0 Answers  


What language is db2 written in?

0 Answers  


What will happen, while trying to close the closed cursor.

1 Answers  


what are stage one indexable predicates?

1 Answers  


What is query_cache_limit?

0 Answers  


how to take the back up of the DB2 table.

7 Answers  


What is isolation level in db2?

0 Answers  


What is release/acquire in bind?

0 Answers  


What are the various locks available?

5 Answers   CTS,


Can DB2 be accessed by TSO users? If yes, which command is used to invoke DB2?

1 Answers  


what is Runstats? Whem will u choose to runatats?

1 Answers   Danske,


wht r the requirements for writing a cobol-db2 pgm ?

4 Answers   IBM,


Categories