自动内存管理与statistics_level
自动内存管理与statistics_level
Automatic Shared Memory Management simplifies the configuration of the SGA. To use Automatic Shared Memory Management, set the SGA_TARGET initialization parameter to a nonzero value and set the STATISTICS_LEVEL initialization parameter to TYPICAL or ALL.
1 sys@HUA>alter system set statistics_level=basic 2 2 ; 3 alter system set statistics_level=basic 4 * 5 ERROR at line 1: 6 ORA-02097: parameter cannot be modified because specified value is invalid 7 ORA-00830: cannot set statistics_level to BASIC with auto-tune SGA enabled
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