update of two columns at once

HI can update us two columns at once by the regular update by mentioning two where clauses with respect to columns

The where clause decide which set of lines will be updated.
For example, if the set of rows is not the same for your two columns you must use two sentences--update.
If the rowset is the same for your two columns you can use a single update statement (but then the where clause will be the same).

Published by: 87076 on 31.01.2011 02:52

Tags: Database

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