What is SQL autotrace?

Question

The AUTOTRACE report shows only the SQL statement execution statistics. SET AUTOTRACE ON. The AUTOTRACE report includes both the optimizer execution path and the SQL statement execution statistics. SET AUTOTRACE TRACEONLY. Like SET AUTOTRACE ON , but suppresses the printing of the user's query output, if any.

What is autotrace in SQL Developer?

The AUTOTRACE option provides an EXPLAIN PLAN and statistics for a query. AUTOTRACE provides many of the TRACE and TKPROF statistics such as disk reads (physical reads) and total reads (consistent reads + db block gets).

What does autotrace do in Oracle?

The autotrace provides instantaneous feedback including the returned rows, execution plan, and statistics. The user doesn't need to be concerned about trace file locations and formatting since the output is displayed instantly on the screen. This is very important data that can be used to tune the SQL statement.

What is SQL trace in Oracle?

The SQL trace facility and TKPROF are two basic performance diagnostic tools which can help you monitor and tune applications that run against the Oracle Server.

What is Tkprof in Oracle with example?

The TKPROF program converts Oracle trace files into a more readable form. If you have a problem query you can user TKPROF to get more information. To get the most out of the utility you must enable timed statistics by setting the init. ora parameter or performing the following command.

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