Build Deferred Materialized View Between Different Characterset Database Is Created Unexpected Large Column Width (Doc ID 2177983.1)

Last updated on SEPTEMBER 04, 2016

Applies to:

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

Symptoms

Creating build deferred materialized view using user function between different multibyte characterset database, created materialized view can have unexpected large column length for character(CHAR,VARCHAR2) datatype than expected.

For example, consider db1 is JA16SJIS, db2 is AL32UTF8 characterset case, we will see following result

 

Cause

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