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How does one trace SQL statement execution?

April 26, 2017execution sql trace

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How does one trace SQL statement execution?

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• Run the PLUSTRCE.SQL script from the SYS database user. This script is located the in $ORACLE_HOME/sqlplus/admin. • Create a PLAN_TABLE using the UTLXPLAN.SQL script. This script is in $ORACLE_HOME/rdbms/admin. • Use the “SET AUTOTRACE ON” command to trace SQL execution. This will print the result of your query, an explain plan and high level trace information.