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 Originally Posted by areeb
alter table xyz modify constraint abc enable novalidate
It will create the constraint letting whatever data -good or bad in terms or referential integrity- you have there and, just start validating referencial integrity from that point in time into the future.
Pablo (Paul) Berzukov
Author of Understanding Database Administration available at amazon and other bookstores.
Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
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