41 lines
1.1 KiB
PHP
41 lines
1.1 KiB
PHP
# insert test
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insert into t1 values (100, 1.1, 'pune');
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insert into t1 values (99, 1.2, 'mumbai');
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insert into t1 values (98, 1.3, 'jaipur');
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insert into t1 values (97, 1.4, 'delhi');
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insert into t1 values (96, 1.5, 'ahmedabad');
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select * from t1;
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select * from t1 where i = 98;
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select * from t1 where i < 100;
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#
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# add index using alter table table
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explain select * from t1 where f > 1.29999;
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alter table t1 add index sec_index(f);
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explain select * from t1 where f > 1.29999;
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select * from t1 where f > 1.29999;
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#
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explain select * from t1 where i = 100;
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alter table t1 add unique index pri_index(i);
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explain select * from t1 where i = 100;
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select * from t1 where i = 100;
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#
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# delete test
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delete from t1 where i < 97;
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select * from t1;
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insert into t1 values (96, 1.5, 'kolkata');
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select * from t1;
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#
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# update test
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update t1 set f = 1.44 where c = 'delhi';
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select * from t1;
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#
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# truncate table
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truncate table t1;
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insert into t1 values (100, 1.1, 'pune');
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insert into t1 values (99, 1.2, 'mumbai');
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insert into t1 values (98, 1.3, 'jaipur');
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insert into t1 values (97, 1.4, 'delhi');
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insert into t1 values (96, 1.5, 'ahmedabad');
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select * from t1;
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