Answer / guest

integrity Constraints is used by oracle to check data
Integrity while performing operations into database.
Like columns is defined as not null.User cannot insert null
values into this column

Constraints:
1. Primary Key
2. Unique Key
3. Not Null
4. Referential Integrity(Foreign Key)
5.Check Constraints

Answer / suresh somayajula

Integrity Constraint is a rule that restricts a value to a
clomn in table.

Answer / pnc

A rule or restriction to maintain the accuracy of data or
quality of the data.

Answer / rajesh

Integrity Constraints prevent invalid data entry into the
table.These constraints set a range and any violation takes
place oracle prevent the user from performing manipulation
on the table.

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