分区表(二)，分区表

分区表(二)，分区表

alter table scales add partition (partition p2 values less than (2015));

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alter table log drop partition p0;

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show variables like '%partition%';

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alter table user reorganize partition p0,p1,p2 into (partition p3 values less than (2011));

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alter table log partition by hash(YEAR(time)) partitions 6;

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alter table x partition by range(salary)(partition values less than 100);

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alter table x rebuild partition p0,p1;

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alter table x optimize partition p1,p2;

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alter table x analyze partition p1,p2;

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alter table x repair partition p1,p2;

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explain partitions select * from log where YEAR(time)>2016-06-01 and YEAR(time)<2016-06-30;

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