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Database Management Systems
1. Explain SQL Server 2000 Architecture with diagram.
2. Describe Second Normal and Third Normal Form.
3. Explain about query engine and storage manager in MySQL architecture.
4. Describe any five Relational database components.
5. What are the benefits of making the system catalogs relations?
6. Describe any five Alternative Objective Oriented Database Strategies.
Benefits and limitations
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
1. Which relational algebra operations do not need the participating tables to be union-compatible? Ans: Join is the relational algebra operations that do not need the particip
The primary key is selected from the
Explain the Cartesian product: The Cartesian product operation does not need relations to union-compatible. The meaning of this is that the involved relations may have dissim
Briefly describe the different kinds of users of a DBMS. Ans: Different sorts of DBMS users are: (a) Software Engineers: These are the people accountable for developing ap
Explain what is Aggregation ? Aggregation: This is used whenever we intend to show a relationship between an entity and the relationship. There is no provision for this in th
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
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