statistic_level
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Property <wbr><wbr><wbr><wbr><wbr> | <wbr><wbr> Description<br> Parameter type <wbr><wbr> | <wbr><wbr> String<br> Syntax<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> | <wbr><wbr><wbr> STATISTICS_LEVEL = { ALL | TYPICAL | BASIC }<br> Default value<wbr><wbr><wbr><wbr> | <wbr><wbr><wbr> TYPICAL<br> Modifiable<wbr><wbr><wbr><wbr><wbr><wbr><wbr> | <wbr><wbr><wbr> ALTER SESSION, ALTER SYSTEM<br> -----------------------------------------------------------<br><br> STATISTICS_LEVELspecifies the level of collection for database and operating<br> system statistics. The Oracle Database collects these statistics for a variety of purposes,<br> including making self-management decisions.<br> The default setting of TYPICALensures collection of all major statistics required for<br> database self-management functionality and provides best overall performance. The<br> default value should be adequate for most environments.<br> When the STATISTICS_LEVELparameter is set to ALL, additional statistics are added<br> to the set of statistics collected with the TYPICALsetting. The additional statistics are<br> timed OS statistics and plan execution statistics.<br><br> Setting the STATISTICS_LEVELparameter to BASIC disables the collection of many<br> of the important statistics required by Oracle Database features and functionality,<br> including:<br> ■ Automatic Workload Repository (AWR) Snapshots<br> ■ Automatic Database Diagnostic Monitor (ADDM)<br> ■ All server-generated alerts<br> ■ Automatic SGA Memory Management<br> ■ Automatic optimizer statistics collection<br> ■ Object level statistics<br> ■ End to End Application Tracing (V$CLIENT_STATS)<br> ■ Database time distribution statistics (V$SESS_TIME_MODELand V$SYS_TIME_<br> MODEL)<br> ■ Service level statistics<br> ■ Buffer cache advisory<br> ■ MTTR advisory<br> ■ Shared pool sizing advisory<br> ■ Segment level statistics<br> ■ PGA Target advisory<br> ■ Timed statistics<br> ■ Monitoring of statistics<br></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
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Property <wbr><wbr><wbr><wbr><wbr> | <wbr><wbr> Description<br> Parameter type <wbr><wbr> | <wbr><wbr> String<br> Syntax<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> | <wbr><wbr><wbr> STATISTICS_LEVEL = { ALL | TYPICAL | BASIC }<br> Default value<wbr><wbr><wbr><wbr> | <wbr><wbr><wbr> TYPICAL<br> Modifiable<wbr><wbr><wbr><wbr><wbr><wbr><wbr> | <wbr><wbr><wbr> ALTER SESSION, ALTER SYSTEM<br> -----------------------------------------------------------<br><br> STATISTICS_LEVELspecifies the level of collection for database and operating<br> system statistics. The Oracle Database collects these statistics for a variety of purposes,<br> including making self-management decisions.<br> The default setting of TYPICALensures collection of all major statistics required for<br> database self-management functionality and provides best overall performance. The<br> default value should be adequate for most environments.<br> When the STATISTICS_LEVELparameter is set to ALL, additional statistics are added<br> to the set of statistics collected with the TYPICALsetting. The additional statistics are<br> timed OS statistics and plan execution statistics.<br><br> Setting the STATISTICS_LEVELparameter to BASIC disables the collection of many<br> of the important statistics required by Oracle Database features and functionality,<br> including:<br> ■ Automatic Workload Repository (AWR) Snapshots<br> ■ Automatic Database Diagnostic Monitor (ADDM)<br> ■ All server-generated alerts<br> ■ Automatic SGA Memory Management<br> ■ Automatic optimizer statistics collection<br> ■ Object level statistics<br> ■ End to End Application Tracing (V$CLIENT_STATS)<br> ■ Database time distribution statistics (V$SESS_TIME_MODELand V$SYS_TIME_<br> MODEL)<br> ■ Service level statistics<br> ■ Buffer cache advisory<br> ■ MTTR advisory<br> ■ Shared pool sizing advisory<br> ■ Segment level statistics<br> ■ PGA Target advisory<br> ■ Timed statistics<br> ■ Monitoring of statistics<br></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>