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Extract SQL from AWR tips

Oracle Database Tips by Donald BurlesonFebruary 25, 2015

Question: I'm looking for a way to extract the full text of a SQL statement from a table into a flat file so that I can tune the SQL.  How do I extract a SQL statement?

Answer: In AWR the full SQL text reside in the text column of the dba_hist_sqlstat table: 

Without AWR, we seek those tables that contain the sql_fulltext column.  These will be the full text of a SQL statement from the v$sql view::

set long 30000000
spool display_sql.lst

select
   sql_fulltext
from
   v$sql
where
   lower(sql_fulltext) like lower('%AUTHORS%');

This script will extract the full text of SQL statements from AWR. 

In the code below, we generate the SQL section for an AWR report between snapshot 1230 and 1231:

select
   *
from
   table (dbms_workload_repository.awr_sql_report_text

       (&v_db_id, &v_inst_num, :b_snap_id, :e_snap_id, '&v_sql_id'));

select
   *
from
   table
      (dbms_workload_repository.awr_sql_report_text

      (1692970157, 1, 1230, 1231));

However, Oracle recommends using awrsqrpt.sql instead of awr_sql_report_text.

There is a script to extract SQL and execution plans from AWR in $ORACLE_HOME/rdbms/admin/awrsqrpt.sql

If you are not comfortable writing dictionary queries, use Oracle script collection download.

Also see my notes on AWR historical bind variable storage.

   
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Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

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