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By: a guest on May 2nd, 2012  |  syntax: None  |  size: 0.34 KB  |  hits: 11  |  expires: Never
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  1. mysql: two tables but three select criteria
  2. SELECT id FROM users, user_depts
  3. WHERE users.id = user_depts.uid
  4. AND user_depts.uid = 7
  5.        
  6. SELECT uid FROM user_depts
  7. WHERE EXISTS (
  8.   SELECT * FROM user_depts a
  9.   WHERE uid = 7 AND a.did = user_depts.did
  10. )
  11.        
  12. select users.id from users
  13. inner join user_depts.uid = users.id
  14. where users.id = 7
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