Write the rules of DBA.
DataBase administration (DBA) is an operational or technical level function responsible for physical database design, security enforcement, and database performance. Tasks include maintaining the data dictionary, monitoring performance, and enforcing organizational standards and security.
What do you mean by ‘Ternary Relationship’? Define the concept of aggregation with suitable example.
Define a Foreign key. Why is the concept needed? How does it play a role in the join operation?
Explain how to reduce a relationship set of an E-R diagram into relational schema.
Write a C program to multiplication of two matrix.