atomic domains and first normal form

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If elements of domain are indivisible units, domain is said to be

If elements of domain are indivisible units, domain is said to be
  • A. Structured
  • B. Tabular
  • C. Procedured
  • D. Atomic
  • Correct Answer: Option D

E-R diagram permits attributes of entity sets and relationship sets that are having some degree of

E-R diagram permits attributes of entity sets and relationship sets that are having some degree of
  • A. Subdomain
  • B. Sublevels
  • C. Substructure
  • D. Subclasses
  • Correct Answer: Option C

In a relational schema ‘R’, if domains of all attributes are atomic, schema is said to be of form

In a relational schema ‘R’, if domains of all attributes are atomic, schema is said to be of form
  • A. Normal form
  • B. First normal form
  • C. Second normal form
  • D. Third normal form
  • Correct Answer: Option B

E-R model allows attributes that are

E-R model allows attributes that are
  • A. Multi-valued
  • B. Multi-layers
  • C. Multi-levels
  • D. Multi-relation
  • Correct Answer: Option A