Effect of Max_String_Size on Data guard

(Doc ID 2010497.1)

Last updated on AUGUST 30, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Goal

 This Article Explains the Effect of Max_String_Size on Dataguard Environment. From 12c onwards we can extend the Datatype Maximum Size of VARCHAR2, NVARCHAR2, and RAW Columns to 4k bytes in 12C Database using MAX_STRING_SIZE i.e If MAX_STRING_SIZE=EXTENDED on primary what will be effect on Physical and Logical Standby.

 

Solution

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