How to rename a default constraint on oracle?

@deron 

To rename a default constraint on Oracle, you can use the following SQL query:

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ALTER TABLE table_name RENAME CONSTRAINT old_constraint_name TO new_constraint_name;

Replace table_name with the name of the table containing the default constraint, old_constraint_name with the current name of the default constraint, and new_constraint_name with the desired new name for the constraint.

After running this query, the default constraint will be renamed to the specified new name.