How to fix the Oracle error ORA-28073: The column “string” has an unsupported data type.?

In this post, you’ll learn more about the Oracle ErrorORA-28073: The column “string” has an unsupported data type. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28073: The column “string” has an unsupported data type.

Reason for the Error ORA-28073: The column “string” has an unsupported data type.

The column had a data type which is not supported by data redaction. The supported data types are CHAR, NCHAR, VARCHAR2, NVARCHAR2, NUMBER types, BINARY_FLOAT, BINARY_DOUBLE, DATE, and TIMESTAMP. For regular expression-based redaction, with FUNCTION_TYPE of DBMS_REDACT.REGEXP, only the string data types (VARCHAR2, NVARCHAR2, CHAR, and NCHAR) are supported by data redaction. Virtual columns are not supported by data redaction.

How to fix the Error ORA-28073: The column “string” has an unsupported data type. ?

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

Specify the name of a column which has a supported data type.