Database Languages MCQ (Multiple Choice Questions) PDF - 78

MCQ 386: Database modifications can cause violations of

1. Consistency Constraints
2. Referential integrity
3. Domain Constraints
4. Assertion integrity

MCQ 387: The full form or varchar is equivalent to

1. Character varying
2. Variable character
3. Charter varying
4. Variable charter

MCQ 388: An alternative scheme used to avoid the problems of symmetric-key encryption is called

1. Hybrid-key encryption
2. Modulation-key encryption
3. Public-key encryption
4. Private-key encryption

MCQ 389: The implementation process of the database proceeds in

1. One final design phase
2. Two final design phases
3. Three final design phases
4. Four final design phases

MCQ 390: The set difference operation is ensured to be applied over compatible data, just like

1. Selection
2. Projection
3. Dimensional
4. Union