How to fix the Oracle error ORA-22998: CLOB or NCLOB in multibyte character set not supported?

In this post, you’ll learn more about the Oracle ErrorORA-22998: CLOB or NCLOB in multibyte character set not supported with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22998: CLOB or NCLOB in multibyte character set not supported

Reason for the Error ORA-22998: CLOB or NCLOB in multibyte character set not supported

A CLOB or NCLOB in a fixed-width or varying-width multibyte character set was passed to a SQL character function which does not support multibyte LOB data.

How to fix the Error ORA-22998: CLOB or NCLOB in multibyte character set not supported ?

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

Use DBMS_LOB functions such as DBMS_LOB.INSTR() and DBMS_LOB.SUBSTR()