Generalization and Specialization MCQs with Answers PDF Download – Test 38

MCQ 186: The kind of subclass on which the entity become part of subclass by putting some condition on attribute values is classified as:

1. predicate segregation subclass
2. predicate aggregation subclass
3. predicate-defined subclass
4. indicate-defined subclass

MCQ 187: The kind of subclass in which there are no constraints for deciding membership in any given subclass is classified as:

1. visual subclass
2. user-defined subclass
3. member subclass
4. local subclass

MCQ 188: Considering the knowledge representation and conceptual modeling, the reasoning mechanisms are classified as part of:

1. functional modeling
2. concrete modeling
3. knowledge representation
4. conceptual modeling

MCQ 189: The first field in the primary index having same data type as in the ordering field is considered as:

1. indexed key
2. ternary key
3. secondary key
4. primary key

MCQ 190: Consider two tuples X and Y, the operation whose result includes tuples that are only in X but not in Y is classified as:

1. square of relation X and Y
2. union of relation X and Y
3. intersection of relation X and Y
4. difference of relation X and Y