Monday, April 9, 2012

Different SQL JOINs

  1. JOIN: Return rows when there is at least one match in both tables 
  2. LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table 
  3. RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table 
  4. FULL JOIN: Return rows when there is a match in one of the tables 

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