In this post, you’ll learn more about the Oracle ErrorORA-30730: referential constraint not allowed on nested table column with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-30730: referential constraint not allowed on nested table column
Reason for the Error ORA-30730: referential constraint not allowed on nested table column
An attempt was made to define a referential constraint on a nested table column.
How to fix the Error ORA-30730: referential constraint not allowed on nested table column ?
You can fix this error in Oracle by following the below steps
Do not specify referential constraints on nested table columns.