What is the difference between the following methods to display the...?

What is the difference between the following methods to display the plan to explain it?
PLAN of EXPLAIN for SQL statements
package dbms.xplan

Thank you

You are mistaken in thinking that they are alternatives.

EXPLAIN the PLAN meets the PLAN_TABLE.
Only after that can you use either of
SELECT... FROM PLAN_TABLE
or
SELECT * FROM TABLE (DBMS_XPLAN. DISPLAY);

Unless you are using DBMS_XPLAN. DISPLAY_CURSOR directly on a present cursor in the shared pool, the PLAN to EXPLAIN is still a sine qua non for DBMS_XPLAN. DISPLAY.

Hemant K Collette
http://hemantoracledba.blogspot.com

Tags: Database

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