How does the EXPLAIN PLAN facility help in designing solutions for speeding up data access?

Question

Question

How does the EXPLAIN PLAN facility help in designing solutions for speeding up data access?

Answer 1

Answer #1

1) The explain plan facility is used for optimizing the speed of the query.

2) It uses Oracle optimizer for select, update, insert and delete operations.

3) The plantable will hold the output of the explain plan which is created automatically.

4) Explain plan can be used for identifying the statements, specifying different tables and displaying the plan table output.

5) Explain plans are mainly used for faster query execution.

Answer 2

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