Database Systems

Database Systems

Answer 1

The concept of relational database systems is very important in the Information Technology domain. In this question, the three forms of Data Integrity would be discussed in detail. The three forms of Data Integrity are Entity Integrity, Domain Integrity and Referential Integrity.

Domain Integrity

The types of data are useful in the determination of calculating values for a specific column. This is the most important aspect of domain integrity. The option of Nullability is even useful to determine the set of values in the domain. Further restrictions are also enforced on the domain of a column that has ...