Sunday, 19 July 2009

Performance Tuning - Question 010

When using TKPROF to format a SQL trace file from a user session, which of the following parameters should you specify to remove recursive SQL statements from the output?

A . Explain=no
B . Sys_sql=no
C . Recursive_sql=no
D . Recursive=no
E. Sys=no

Explanation:

Answer E: Recursive SQL statements are not written to the formatted output file if you indicate the sys=no parameter and value pair. Each of the other answers are invalid parameter/value pairs.

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