Question: The tuple relational calculus is a ___________Query Language.
Answer:
It describes the desired information without giving a specific procedure for obtaining that information.
A Query in tuple relational calculus is expressed as
{ t | P(t) }
MCQ: The tuple relational calculus is a ___________Query Language.
Explanation:
It describes the desired information without giving a specific procedure for obtaining that information.
A Query in tuple relational calculus is expressed as
{ t | P(t) }
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Related Questions
- 1. Which of the following uses domain variable that take on values from an attributes domain, rather that values for an entire tuple.?
- 2. An expression <em>{<X1,X2,….Xn > | P(X1,X2,….Xn)}</em> , Where <em>X1,X2,….Xn</em> represent Domain variable. P represents a formula composed of atoms. This expression is of the of the following?
- 3. SQL is based on______
- 4. QBE is based on______
- 5. Datalog is based on______
- 6. The Domain relational calculus is a ___________Query Language.
- 7. In _______ transmission, the channel capacity is shared by both communicating devices at all times
- 8. In the original ARPANET, _______ were directly connected together
- 9. This was the first network.
- 10. Which organization has authority over interstate and international commerce in the communications field?
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