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What is referential integrity ?

Question Posted / chacha

Answers were Sorted based on User's Feedback



What is referential integrity ?..

Answer / rajesh

To establish a parent child relationship between two tables
and to prevent invalid data entry into the table , we make
set of rules on a column is called Referential integrity.

Is This Answer Correct ?    5 Yes 0 No

What is referential integrity ?..

Answer / mallikarjuna.anumala

A rule defined on a column (or set of columns) in one table
that allows the insert or update of a row only if the value
for the column or set of columns (the dependent value)
matches a value in a column of a related table (the
referenced value). It also specifies the type of data
manipulation allowed on referenced data and the action to
be performed on dependent data as a result of any action on
referenced data.

Is This Answer Correct ?    3 Yes 0 No

What is referential integrity ?..

Answer / pravin kadam

A rule defined on a column (or set of columns) in one table
that allows the insert or update of a row only if the value
for the column or set of columns (the dependent value)
matches a value in a column of a related table (the
referenced value). It also specifies the type of data
manipulation allowed on referenced data and the action to
be performed on dependent data as a result of any action on
referenced data.

Is This Answer Correct ?    1 Yes 0 No

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