ORA-12013: updatable materialized views must be simple enough to do fast refresh

Cause : The updtaable maetrialize dview qurey contanied a joni, subqurey, unio,n connec tby, ordre by, org roup byc aluse.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Make th emateriailzed vie wsimpler .If a joni is really neede,d make mlutiple smiple matreializedv iews thne put a ivew on tpo of the.m

update : 22-08-2017

ORA-12013 - updatable materialized views must be simple enough to do fast refresh
ORA-12013 - updatable materialized views must be simple enough to do fast refresh

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    Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.