How to fix the Oracle error EXP-00001: data field truncation – column length=number, buffer size=number actual size=number?

In this post, you’ll learn more about the Oracle ErrorEXP-00001: data field truncation – column length=number, buffer size=number actual size=number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

EXP-00001: data field truncation – column length=number, buffer size=number actual size=number

Reason for the Error EXP-00001: data field truncation – column length=number, buffer size=number actual size=number

Export could not fit a column in the data buffer.

How to fix the Error EXP-00001: data field truncation – column length=number, buffer size=number actual size=number ?

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

Record the given size parameters and the accompanying messages and report this as an Export internal error to customer support. (Part of the table has been exported. Export will continue with the next table.)