How To Deal With Error ORA-01439 When Modify Column With Data And Solution Explained With Test Case

(Doc ID 2347145.1)

Last updated on JANUARY 16, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.2.0.1 [Release 11.2 to 12.2]
Information in this document applies to any platform.

Goal

 The error ORA-01439 received when modify or changing the Datatype of the column in a table which already has data in it.

This note explains the workaround how to modify the datatype of the table column if it contains data.

Solution

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