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By: a guest on Jun 9th, 2012  |  syntax: None  |  size: 0.43 KB  |  hits: 15  |  expires: Never
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  1. sql - select row id based on two column values in same row as id
  2. SELECT [ID]
  3. FROM tbl
  4. WHERE A = @a AND B = @b
  5.        
  6. SELECT ID FROM table WHERE A=value1 and B=value2
  7.        
  8. SELECT ID
  9. FROM middletable
  10. WHERE A = knownA
  11.   AND B = knownB
  12.        
  13. SELECT ID
  14. FROM middletable
  15. WHERE A = knownA
  16.   AND B <> A
  17.        
  18. SELECT ID
  19. FROM middletable
  20. WHERE A IN
  21.         ( SELECT otherA FROM otherTable ...)
  22.   AND B IN
  23.         ( SELECT otherB FROM anotherTable ...)