Database Systems Online Quiz Questions PDF Download - 31

MCQ 151: A component of storage manager that validates the authority of users to access data is said to be

1. Integrity manager
2. File manager
3. Transaction manager
4. Buffer manager

MCQ 152: The structure in which the metadata about relations are stored is known as

1. Data Dictionary
2. Functional dictionary
3. Sequence dictionary
4. Storage dictionary

MCQ 153: The structure in which relational schemas are stored is said to be

1. Sequence dictionary
2. Storage dictionary
3. Data Dictionary
4. Functional dictionary

MCQ 154: All updates in log-based schemes are recorded on

1. Blocks
2. Logs
3. Disks
4. Main memory

MCQ 155: The layer in the application architecture that deals with user interaction is called

1. Model layer
2. View layer
3. Presentation layer
4. Business-logic layer