Database Languages Quiz with Answers PDF Download – Test 257

MCQ 1281: A data-definition language is provided by database system to specify the database's:

1. Updates
2. Network model
3. Data model
4. Schema

MCQ 1282: The create type clause can be used to define:

1. new variable
2. new instance
3. new types
4. new form

MCQ 1283: The differentiations of access types are expressed in terms of:

1. Authorization
2. Domain Constraints
3. Referential integrity
4. Assertions

MCQ 1284: An E-R diagram, other components of data representation include models of user interactions and:

1. Modules interaction
2. Specification of functional modules
3. Interaction with system
4. All of the Above

MCQ 1285: The algorithms that attempt to order track accesses in a manner that increases the number of accesses that can be processed are:

1. Disk-arm scheduling algorithms
2. Buffering algorithms
3. Log Disk algorithms
4. Elevator algorithms