How to fix the Oracle error ORA-30745: error occured while trying to add column “string” in table “string”?

In this post, you’ll learn more about the Oracle ErrorORA-30745: error occured while trying to add column “string” in table “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30745: error occured while trying to add column “string” in table “string”

Reason for the Error ORA-30745: error occured while trying to add column “string” in table “string”

The user tried to add a subtype which tried to alter the tables dependent on the supertype.

How to fix the Error ORA-30745: error occured while trying to add column “string” in table “string” ?

You can fix this error in Oracle by following the below steps

Ensure that the table will not exceed the columnlimit on adding this subtype.