Mutexes And Changes in Library Cache - HrOUG
Mutexes And Changes in Library Cache - HrOUG
Mutexes And Changes in Library Cache - HrOUG
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DbProf.<br />
com<br />
Mutex Usage - “Cursor Parent”<br />
• Mutex type: ‘Cursor Parent’<br />
• Used <strong>in</strong> parent-cursor operations:<br />
– build<strong>in</strong>g a new cursor under a parent<br />
• wait event ‘cursor: mutex X’<br />
– exam<strong>in</strong><strong>in</strong>g a parent<br />
• wait event ‘cursor: mutex S’<br />
– b<strong>in</strong>d capture<br />
• wait event ‘cursor: mutex X’<br />
www.dbprof.com - © 2012 Jože Senegačnik<br />
Oracle ACE Director<br />
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