Home Forums Article Discussions Article Discussions by Author Discuss content posted by Rabie Harriga Unused Indexes in your databases RE: Unused Indexes in your databases
swatmadan.siet
Grasshopper
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March 30, 2013 at 6:25 am
#1602243
Why used Union all, if run query after Union all separately it gives 0 rows in result. However only some additional clauses are in where clause of query after Union all. Cannot it be done in a single query without using Union all. Please explain