11 lines
390 B
MySQL
11 lines
390 B
MySQL
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MERGE INTO demo.a AS T1 USING demo.b AS T2
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ON T1.id = T2.id
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WHEN MATCHED THEN UPDATE SET name = 'wf1'
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WHEN NOT MATCHED THEN INSERT VALUES(T2.id,T2.name);
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MERGE INTO demo.a AS T1 USING demo.b AS T2
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ON T1.id = T2.id
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WHEN MATCHED AND sex='male' THEN UPDATE SET name = 'wf1'
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WHEN MATCHED AND sex='female' THEN UPDATE SET age = 10
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WHEN NOT MATCHED AND age>10 THEN INSERT VALUES(T2.id,T2.name);
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