In domain relaional calculus “there exist”

Related MCQs

• A domain is atomic if elements of the domain are considered to be                           units.
• A domain is              if elements of the domain are considered to be indivisible units.
• A domain is atomic if elements of the domain are considered to be ____________ units.
• A domain is atomic if elements of the domain are considered to be ____________ units.
• A            indicates an absent value that may exist but be unknown or that may not exist at all.
• Which of the following is the comparison operator in tuple relational calculus
• Which is relation calculus:
• Which calculus is based on specifying a number of tuple variables:
• Relational calculus is a
• Domain constraints, functional dependency and referential integrity are special forms of