How to fix the Oracle error PCB-00300: Datatype for host variable not supported by ANSI “string”?

In this post, you’ll learn more about the Oracle ErrorPCB-00300: Datatype for host variable not supported by ANSI “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCB-00300: Datatype for host variable not supported by ANSI “string”

Reason for the Error PCB-00300: Datatype for host variable not supported by ANSI “string”

Cause: An Oracle extension to the ANSI/ISO standard was used. Specifically, aa pointer or nonconforming datatype such as VARCHAR was used. For example, the offending code might look like: EXEC SQL BEGIN DECLARE SECTION END-EXEC. 01 USERNAME PIC X(10) VARYING. EXEC SQL END DECLARE SECTION END-EXEC. This informational message is issued by the FIPS Flagger when FIPS=YES.

How to fix the Error PCB-00300: Datatype for host variable not supported by ANSI “string” ?

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

Action: None