Relational Operations Multiple Choice Questions (MCQ) PDF - 368

MCQ 1836: A data model based on a collection of tables, is known as

1. Entity relationship data model
2. Relational data model
3. Object based data model
4. Semi-structured data model

MCQ 1837: The representation of the conceptual design is done through the model

1. Structural model
2. Object based relationship model
3. Relational model
4. Entity-relationship model

MCQ 1838: The entity-relationship (E-R) data model specifies

1. Enterprise data
2. Enterprise requirements
3. Enterprise schema
4. Enterprise structure

MCQ 1839: To find the names of instructors with salary amounts between $90,000 and $100,000, we can use the operator

1. AS
2. Between
3. Not Between
4. Like

MCQ 1840: Statement that may specify restrict in order to prevent cascading revocation, is called

1. Revoke
2. Restrict
3. Assign
4. Cascade