Question
X: SELECT [list] FROM Table_Left L INNER JOIN Table_Right R ON L.Key = R.Key ; Y: SELECT [list] FROM Table_Left L FULL OUTER JOIN Table_Right
X: SELECT [list] FROM Table_Left L INNER JOIN Table_Right R ON L.Key = R.Key ;
Y: SELECT [list] FROM Table_Left L FULL OUTER JOIN Table_Right R ON L.Key = R.Key ;
Z: SELECT [list] FROM Table_Left L FULL OUTER JOIN Table_Right R ON L.Key = R.Key WHERE L.Key IS NULL OR R.Key IS NULL ;
Does this mean X = Y minus Z?
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Database Systems Design Implementation And Management
Authors: Peter Rob, Carlos Coronel
3rd Edition
0760049041, 978-0760049044
