Generalization and Specialization MCQ (Multiple Choice Questions) PDF - 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