Database Systems Practice Test 45
DBMS: Selection Operation Quiz Questions and Answers PDF Download - 45
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DBMS: Selection Operation Questions and Answers PDF Download: MCQ 45
A predicate that by satisfying individual simple condition, satisfies the union of all records is called the
- Conjunction condition
- Disjunction condition
- Negation condition
- A9 condition
An entity-relationship diagram provides a graphical representation of the
- Context
- Framework
- Schema
- Modules
The database user assigns entities to a given entity set, in the type of generalization's constraints
- Data-defined
- User-defined
- System-defined
- Condition-defined
If 'A' is null for a particular tuple, then the expression result must also be null for that
- Expression
- Attribute
- Tuple
- Relation
A schema is said not to be in a desirable normal form, if its relationship sets are involving
- One entity set
- Two entity sets
- More than two entity sets
- No entity sets
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DBMS: Selection Operation Practice Tests
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