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Nhen using the ALTER TABLE..DROP COLUMN command, which of the following is not correct?OThe command's effect on the table is permanentO You cannot delete the
Nhen using the ALTER TABLE..DROP COLUMN command, which of the following is not correct?OThe command's effect on the table is permanentO You cannot delete the last remaining column in a tableO The command deletes both the colurmn and its contents.O The command can be used to delete multiple columns from a table.
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Expert Oracle Database Architecture
Authors: Thomas Kyte, Darl Kuhn
3rd Edition
1430262990, 9781430262992
