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11 lines
354 B
SQL
Executable File
11 lines
354 B
SQL
Executable File
set autocommit=0;
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update sub2 set sub2.c2 = (select sub1.c2 from sub1 where sub1.c1 = sub2.c1);
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select * from sub2;
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rollback;
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UPDATE sub1 SET c2 = (SELECT SUM(sub2.c3) FROM sub2 where sub1.c1=sub2.c1);
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select * from sub1;
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rollback;
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update sub1 set c2=c3 where c1 != (select sub2.c1 from sub2 where sub2.c1 = 6);
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select * from sub1;
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rollback;
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