Add a new CHECK constraint named CHK_CREDITS_NEW to ensure the CREDITS column is at least 3.
Question
Add a new CHECK constraint named CHK_CREDITS_NEW to ensure the CREDITS column is at least 3.
Solution
To add a new CHECK constraint named CHK_CREDITS_NEW to ensure the CREDITS column is at least 3, you would use the following SQL command:
ALTER TABLE table_name
ADD CONSTRAINT CHK_CREDITS_NEW CHECK (CREDITS >= 3);
Please replace table_name with the actual name of your table. This command will add a new constraint to the table that will prevent any new rows from being added where the CREDITS column is less than 3. Existing rows in the table are not affected by this constraint.
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