Explain why tuple relational calculus is said to be declarative whereas relational algebra is said to be procedural.
What will be an ideal response?
A query in relational algebra is an expression involving relational operators, which provide a step-by-step procedure for computing the desired answer. A query in relational calculus describes the desired answer without specifying how the answer is to be computed. It speci?es the result without specifying an algorithm.
Computer Science & Information Technology
You might also like to view...
You do not have to select a property in order to change it.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology
To define and apply a filter using the shortcut method, click inside the list range, then press ____.
A. [Ctrl][Shift][L] B. [Ctrl][F] C. [Shift][S] D. [Alt][Shift][A]
Computer Science & Information Technology