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Effect of Max_String_Size on Data guard (Doc ID 2010497.1)

Last updated on DECEMBER 18, 2023

Applies to:

Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.


 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.



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In this Document
 III. For a non CDB Dataguard Environment

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