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QWhich of the following is the component of a tuple relational calculus expression?

ID: #2793 Relational Algebra and Calculus 1,409 views
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  • A The relation R for which tuple variable T is defined. ✔ ✖
  • B A condition P(T) on the basis of which a set of tuples is to be retrieved. ✔ ✖
  • C An attribute list specifying the required attributes to be retrieved for the tuples satisfying the given condition. ✔ ✖
  • D All of these ✔ ✖
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All of these
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