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Posted by imani_technology_spam@yahoo.com on 08/13/07 20:45
Right now, a client of mine has a T-SQL statement that does the
following:
1) Create a temp table.
2) Populate temp table with data from one table using an INSERT
statement.
3) Populate temp table with data from another table using an INSERT
statement.
4) SELECT from temp table.
Would it be more efficient to simply SELECT from table1 then UNION
table 2? The simply wants to see the result set and does not need to
re-SELECT from the temp table.
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