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How to alter the default structure of Materialized View ? (Doc ID 332334.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 8.1.7 to 12.1]
Information in this document applies to any platform.


In a materialized view environment, it may be required to alter a materialized

For example, if a column of the materialized is created out of a function, the
column width by default will be 4000. There may be a requirement to reduce the
width of the column


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