Relational Model Constraints MCQ (Multiple Choice Questions) PDF - 106

MCQ 526: The type of constraint which states that not even a single value with primary key can be a null value is classified as

1. null integrity constraint
2. primary integrity constraint
3. secondary integrity constraint
4. entity integrity constraint

MCQ 527: In disks, the tracks having same diameter on different surfaces are classified as

1. sector
2. blocks
3. track
4. cylinder

MCQ 528: The conclusion of the template is a condition which must be held on tuples hypothesis in the template dependency called

1. schema generating templates
2. relation filtering template
3. constraint generating templates
4. tuple generating templates

MCQ 529: The type of data manipulation language which is used to describe the complex operations in more precise way is classified as

1. internal mapping language
2. non procedural language
3. procedural language
4. external mapping language

MCQ 530: Considering the constraints of generalization and specialization, the constraint of disjointness and completeness is usually

1. non calculated
2. non defined
3. independence
4. dependence