what is integrity n how many integrity rules r there?
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Answer Posted / suresh.somayajula
integrity means which doesn't allow duplication of files.
we have 3 types of integrity rules.
1. Entity Integrity Rule : In this Primary key can't
be null.
2. Referential Integrity : It tells the relation
between the Master Table and Child table.
3. Business Rule Integrity.
Thanks,
suresh_somayajula@hotmail.com
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