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2025-02-24 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Today, I will talk to you about how to view the command of the implementation plan in Oracle. Many people may not know much about it. In order to make you understand better, the editor has summarized the following contents for you. I hope you can get something from this article.
Perform the following steps under SQL*PLUS (both the PL/SQL command window and the SQL window)
EXPLAIN PLAN FOR
SELECT XXX FROM DUAL
Set linesize 4000
Set pagesize 4000
SELECT * FROM TABLE (DBMS_XPLAN.DISPLAY)
SET TIMING ON-controls the display of execution time statistics
SET AUTOTRACE ON EXPLAIN-this setting includes execution plan, script data output, no statistics
Execute SQL statements that need to view the execution plan
SET AUTOTRACE OFF-No AUTOTRACE reports are generated, which is the default mode
SET AUTOTRACE ON-this setting includes execution plans, statistics, and script data output
Execute SQL statements that need to view the execution plan
SET AUTOTRACE OFF
SET AUTOTRACE TRACEONLY-this setting will have execution plans, statistics, and no script data output
Execute SQL statements that need to view the execution plan
SET AUTOTRACE TRACEONLY STAT-this setting contains only statistics
Execute SQL statements that need to view the execution plan
After reading the above, do you have any further understanding of the commands on how to view the execution plan in Oracle? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.
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