TEMP TABLE TRANSFORMATION
Short Description
A temporary table is being created or used for this query.
Detailed Description​
Oracle uses a temporary table (in memory if possible) to transform data from further down the plan. This can be seen in WITH (Common Table Expression - CTE) queries where it is materializing result sets.
Further Reading​
- Oracle Magazine - How to read an execution plan
- Oracle Tuning Guide - Explaining and Displaying Execution Plans
- Oracle Tuning Guide - Comparing Execution Plans Tutorial
Search online​
If this article doesn't have the information you need you can try searching online. Remember, you can contribute suggestions to this page.