Concepts and Architecture Question: Download Questions PDF
What is Referential Integrity?
Answer:
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.
Download Oracle Architecture and Concepts Interview Questions And Answers
PDF
| Previous Question | Next Question |
| Explain the different type of Segments? | Explain what is Rollback Segment? |