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OR short-circuit

122564Aug 8 2002
If I have a query that has an OR in it, does Oracle short-circuit evaluation when the first expression is true? For instance:

select * from tbl_1 where col_a > 0 OR col_b = 2

For a given row does the selection evaluation end when col_a = 0 is true, skipping the evaluation of col_b?
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Locked on Sep 10 2002
Added on Aug 8 2002
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