DBMS: Selection Operation Quiz Questions and Answers PDF - 45

MCQ 221: A predicate that by satisfying individual simple condition, satisfies the union of all records is called the

1. Conjunction condition
2. Disjunction condition
3. Negation condition
4. A9 condition

MCQ 222: An entity-relationship diagram provides a graphical representation of the

1. Context
2. Framework
3. Schema
4. Modules

MCQ 223: The database user assigns entities to a given entity set, in the type of generalization's constraints

1. Data-defined
2. User-defined
3. System-defined
4. Condition-defined

MCQ 224: If 'A' is null for a particular tuple, then the expression result must also be null for that

1. Expression
2. Attribute
3. Tuple
4. Relation

MCQ 225: A schema is said not to be in a desirable normal form, if its relationship sets are involving

1. One entity set
2. Two entity sets
3. More than two entity sets
4. No entity sets