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To create a condition that is true if one or more rows are obtained when the subquery is executed, you can precede that subquery with
To create a condition that is true if one or more rows are obtained when the subquery is executed, you can precede that subquery with which operator?
IS NULL
IS TRUE
IS EXIST
EXISTS
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Moving Objects Databases
Authors: Ralf Hartmut Güting, Markus Schneider
1st Edition
0120887991, 978-0120887996
