What is EXPLAIN?

Answer Posted / 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       View All Answers


Please Help Members By Posting Answers For Below Questions

Can you use max on a char column?

648


What is release/acquire in bind?

669


can any one provide me the link for the db2 v7 & db2 v8 manual for Z/os? i need to know about the syntax of REORG in both versions & need to know the difference as well

1816


What does a deadlock mean in DB2?

661


i want to maintain uniqueness on pdf without make lf??????????

1646






What is a bind card?

691


What are types of indexes?

605


Mention the definition of cobol in varchar field.

706


Explain correlated sub-queries.

595


What is the max length of sqlca?

778


How can the firstname and the lastname from the emp table be concatenated to generate complete names?

758


What is an instance database?

610


How can deadlocks be resolved?

552


What is a collection in db2?

588


What is db2 stogroup?

685