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[SOLVED] Need MySQL Statement


mcmuney

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I'm in need of a SQL statements that will delete all records in Table1 where the number in field B does not exist in Table2 field 2, see example below:

 

Table1

ID A B C

1 5 4 7

2 7 2 2

3 9 5 1

 

Table2

ID 1 2 3

1 A 1 C

2 B 2 A

3 C 3 G

4 H 4 S

 

Based on the example above, row3 (ID3) on Table1 should be deleted because WHERE B=5 does not exist in Table2 field 2

 

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