Oracle 11G OCP 1Z0-053 28
The partition related to the current quarter is modified frequently and other partitions undergo fewer data manipulations.
The preferences for the table are set to their default values.You collect statistics for the table using the following command in regular intervals:
SQL>EXECUTE DBMS_STATS.GATHER_TABLE_STATS('SH','SALES',GRANULARITY=>'GLOBAL');
You need statistics to be collected more quickly.
What can you do to achieve this?
A. Set DYNAMIC_SAMPLING to level 4.
B. Set the STATISTICS_LEVEL parameter to BASIC.
C. Set the INCREMENTAL value to TRUE for the partition table.
D. Increase the value of STALE_PERCENT for the partition table.
答案:(C)
解析:
檢視DBMS_STATS包
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