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| Re: how can i change the column name from particular table [message #40820 is a reply to message #40815] |
Thu, 07 November 2002 07:17   |
Rick Cale
Messages: 111
Registered: February 2002
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Senior Member |
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It depends on the Oracle version of method to use.
BTW, all messages at a minimum should include OS and
Oracle version. If you are using <= 8.0
1.Rename the existing table
2.Create a new table with new column names from the renamed table.
3.Drop the renamed table.
Of course you have to grant privs again
In 8i and above
1. ADD new columns
2. UPDATE new column with contents of old col
3. DROP old column using
ALTER TABLE
SET UNUSED COLUMN <old_col>;
ALTER TABLE
DROP UNUSED COLUMNS;
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