RE: autotrace issue

Sanjay

>any input that i give will exist ONLY in one of the partitions.

This information is available to the CBO?

>the table is list-partitioned on field2 and field2 is also an
>input in the query, and its constant for both the queries .
>So there is no-way it should be doing a FTS of the entire table.

Are you sure that it's not a partition full scan? (in fact if you have a restriction on the partition key the CBO should use partition pruning...)

Please notice that:
- this is a partition full scan

SELECT STATEMENT
  TABLE ACCESS (FULL) OF '...'

• this is a table full scan

SELECT STATEMENT
  PARTITION RANGE (ALL)
    TABLE ACCESS (FULL) OF '...' HTH
Chris

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