SQL Tuning Tools of the Trade
- 1. SQL Tuning Tools of the Trade Carlos Sierra
- 2. Carlos Sierra • SQLTXPLAIN + SQL Health-‐Check SQLHC + • Consultant/Developer/DBA/Design/+ • Oracle Performance + SQL Tuning • Oracle Database Health-‐Check • Tools + Scripts • Speaker Enkitec (c) 2014 2
- 3. SQL Tuning Tools of the Trade • Stand-‐alone Scripts • SQLHC • SQLTXPLAIN 6/21/14 Enkitec © 3
- 4. CommonaliQes • Input one SQL statement – SQL_ID • Output one or more diagnosQcs files – Used mainly for SQL Tuning • Make use of some Oracle licensed features – DiagnosQcs and/or Tuning Packs 6/21/14 Enkitec © 4
- 5. CapabiliQes Compare 6/21/14 Enkitec © 5 Stand-‐alone Scripts SQLHC SQLTXPLAIN
- 6. Footprint Compare 6/21/14 Enkitec © 6 Stand-‐alone Scripts SQLHC SQLTXPLAIN
- 7. Stand-‐alone Scripts • Specialized diagnosQcs for SQL Tuning – planx.sql: ExecuQon Plans from Memory and RAC – sqlmon.sql: SQL Monitor Report – sqlash.sql: AcQve Session History (ASH) – mystat.sql: Performance StaQsQcs (counters) • Install nothing on the database 6/21/14 Enkitec © 7
- 8. SQLHC • Provides most common diagnosQcs needed for SQL Tuning • Installs nothing on the database 6/21/14 Enkitec © 8
- 9. SQLTXPLAIN • Provides about everything that is ever need for SQL Tuning – Robust set of diagnosQcs reports – AutomaQc extracQon of Test Case • Installs two self-‐contained schemas 6/21/14 Enkitec © 9
- 10. 6/21/14 Enkitec © 10
- 11. References • Stand-‐alone Scripts – carlos-‐sierra.net • SQLHC – MOS 1366133.1 • SQLTXPLAIN – MOS 215187.1 6/21/14 Enkitec © 11
- 12. Contact InformaQon • carlos.sierra@enkitec.com • carlos-‐sierra.net • @csierra_usa Enkitec (c) 2014 12