The DROP COLUMN clause of the ALTER TABLE command can only be used to delete one column at a time._________________________
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Q41: The maximum width of a NUMBER column
Q42: Which of the following is a valid
Q43: The MODIFY clause can be included in
Q44: Which of the following terms refers to
Q45: Once a column as been set as
Q47: The width of a NUMBER column cannot
Q48: The data contained in a dropped table
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