Database Design Quiz Questions and Answers PDF - 433

MCQ 2161: The entity-relationship model is widely used in database

1. System
2. Process phases
3. Retrieval
4. Design

MCQ 2162: Privileges are granted over some specified parts of a database, such as a

1. Relation Or view
2. Schema
3. Environment
4. Query statement

MCQ 2163: The strict two-phase locking protocol allows releasing the exclusive locks at the

1. Beginning of transaction
2. During execution of transaction
3. End of transaction
4. Never in the life-time of transaction

MCQ 2164: A similar to operation, which provided more powerful pattern matching, in

1. SQL:1997
2. SQL:1998
3. SQL:1999
4. SQL:2000

MCQ 2165: The null value is a member of all

1. Domains
2. Variables
3. Procedures
4. Languages