- JOIN: Return rows when there is at least one match in both tables
- LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table
- RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table
- FULL JOIN: Return rows when there is a match in one of the tables
Monday, April 9, 2012
Different SQL JOINs
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public struct CoOrds { public int x, y; public CoOrds( int p1, int p2) { x = p1; y = p2; } }
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