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41 lines
1.3 KiB
Text
41 lines
1.3 KiB
Text
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drop table if exists t1,t2;
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create table t1 (id int, sometext varchar(100)) engine=myisam;
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insert into t1 values (1, "hello"),(2, "hello2"),(4, "hello3"),(4, "hello4");
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create table t2 like t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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insert into t2 select * from t1;
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insert into t1 select * from t1;
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select count(*) from t1;
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count(*)
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131072
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alter table t1 add index (id), add index(sometext), add index(sometext,id);
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alter table t1 disable keys;
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alter table t1 enable keys;
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drop table t1,t2;
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