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In a certain select I can reference two tables by foreign keys.
Ex:Ida/ Idb
Ida = Idb
Table A has a column called C
Table B has three columns called D, E, F
Both tables have similar contents to return in SELECT
Ex:
Select ... from table A a, table B b Where a.IdA = b.IdB and a.C = b.D and a.C = b.E and a.C = a.F...
When I set the condition And returns null When I put OR returns incomplete data, PQ?
Exemplify your structure better. Create a Sqlfiddle
– rbz
Also say, what is the result you want!
– Matheus Ribeiro