How do I copy an execution plan from one database to another?

Posted on by Emilia Duggan

How do I copy an execution plan from one database to another?

Transport Plan from One Database to Another Database in Oracle

  1. Create Empty Tuning Set.
  2. Load the SQL Information for the SQL ID into this Tuning Set.
  3. Display the content of Sql Tuning set.
  4. Create a Staging table to hold the exported SQL Tuning set.
  5. Load the SQL Tuning Set information to the Staging Table.
  6. Export of The table.

Where are Oracle execution plans stored?

cursor cache
V$SQL_PLAN contains the execution plan for every statement stored in the cursor cache. Its definition is similar to the PLAN_TABLE . See “PLAN_TABLE Columns”.

How do I get the execution plan in SQL Developer?

In SQL Developer, you can look at the Explain Plan (or Execution Plan) by going into the Worksheet window (where the SQL query is written). Open your query there, or write the query you want to analyse. Now, click Explain Plan, or press F10. The execution plan is shown in SQL Developer.

How do I pin a SQL plan in Oracle?

Pin the SQL in the Shared Pool area

  1. Run the Statement which you want to pin. SQL> SELECT ‘Example TEST’ FROM dual;
  2. Check the Query in V$SQL. select substr(sql_text,1,15) Text,address,hash_value,KEPT_VERSIONS.
  3. Pin the upper SQL with ADDRESS and HASH_VALUE parameter:
  4. Check the Status of KEPT_VERSIONS.

What is Coe_xfr_sql_profile SQL in Oracle?

The coe_xfr_sql_profile. sql script generates another script that, in turn, contains the commands to create a manual custom SQL Profile out of a known plan that resides in RAM (library cache) or from the AWR dba_hist_sqlplan table.

How do I know if execution plan has changed?

You can check if the SQL execution plan has changed by using the Active Workload Repository (AWR). First, you need to find the SQL_ID for the relevant query. The view GV$SQL contains the most recent SQL. If you can’t find the query in this view, try DBA_HIST_SQLTEXT instead.

How do I change the execution plan in Oracle?

Use the SQL statement below for the purpose:

  1. Create a test table and find good / bad SQL plans.
  2. Step -1: Fetch Bad Execution Plan Details.
  3. Step-2: Baseline the Bad SQL Explain Plan.
  4. Step-3: Disable the bad SQL Plan.
  5. Step-4: Fetch Modified SQL Plan Details.
  6. Step-5: Replace Execution Plan with Modified version.

What is Coe in Oracle?

Oracle’s Center of Expertise (COE) SQL Analysis Report.

How do I drop an Oracle SQL profile?

  1. Disable the SQL Profiles. BEGIN. DBMS_SQLTUNE.ALTER_SQL_PROFILE( name => ‘SYS_SQLPROF_789tfag56hjli0004’,
  2. Drop the SQL Profile. exec dbms_sqltune.drop_sql_profile(‘SYS_SQLPROF_9824ryfg6f7d78653’);
  3. Drop all profiles in a database, using PL/SQL block: declare. cursor c1 is select name from dba_sql_profiles; begin.