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10 lines
228 B
Text
10 lines
228 B
Text
drop table if exists t1;
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SELECT 'A' || 'B';
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'A' || 'B'
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AB
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CREATE TABLE t1 (id INT, id2 int);
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SELECT id,NULL,1,1.1,'a' FROM t1 GROUP BY id;
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id NULL 1 1.1 a
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SELECT id FROM t1 GROUP BY id2;
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't1.id' isn't in GROUP BY
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drop table t1;
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