ORA-14419: DROP CONSTRAINT ONLINE does not support the CASCADE option.

ORA-14419: DROP CONSTRAINT ONLINE does not support the CASCADE option.


Cause:


An attempt was made to use the CASCADE option with DROP CONSTRAINT ONLINE statement.



Action:


Using the CASCADE option with the DROP CONSTRAINT ONLINE statement is illegal. Remove the CASCADE keyword from the statement. Drop the child key constraint in a separate DROP CONSTRAINT ONLINE statement on the child table.