Generate with SQL Plus & SQL Developer | Oracle Explain Plan

In this video, I'll show you how to generate explain plans in Oracle using both SQL Plus and SQL Developer. We'll cover the different methods, including `SET AUTOTRACE` and `EXPLAIN PLAN FOR`, and discuss the advantages and disadvantages of each. This video is essential for anyone serious about Oracle performance tuning.

*Topics Covered:*
* What is an Oracle Explain Plan and why is it important?
* How do I generate an explain plan in Oracle using SQL*Plus?
* What is the difference between `SET AUTOTRACE ON` and `SET AUTOTRACE TRACEONLY`?
* How do I generate an explain plan in Oracle using `EXPLAIN PLAN FOR` and `DBMS_XPLAN.DISPLAY`?
* What is the Oracle Plan Table and how do I query it?
* How do I connect to Oracle using SQL*Plus?
* How do I use SQL Developer to generate explain plans?
* What permissions are required to generate explain plans in Oracle?

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[ratikantdas]

Hi Durga,
I have one
When we run DBMS_XPLAN.DISPLAY() to fetch the plan from plan table ; which plan it will display ?I mean Plan table can have many plans from different sessions .Is it like the function would internally pick current session latest sql plan ?

[rranjan]

Hi Durga, Could you please provide the data for inserting into the table which u have mentioned. Thanks