Dumping ASH Data to a Flat File tips

Oracle Database Tips by Donald BurlesonApril 4, 2015

Question: How do I lock-down my production tables such that I am the only person who can run DDL against a production table? How can I use the "alter table xxx disable table lock syntax?

Answer: The following commands are designed to dump the ASH data to a flat file. This is useful for analyzing transaction waits at a super-detailed level:

SQL>oradebug setmypid

SQL>oradebug dump ashdump 10

SQL>alter session set events 'immediate trace name ashdump level 10'

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