Solved

The Relational Algebra Operator That Produces a Subset of the Columns

Question 66

Short Answer

The relational algebra operator that produces a subset of the columns of the input table is the _________________ operator.

Related Questions

Q61: When more than one column in a

Q62: In the set-oriented database terminology,a(n)_ is synonymous

Q63: The _ clause of the CREATE TABLE

Q64: In the record-oriented database terminology,a(n)_ is synonymous

Q65: In the alternative terminology for relational databases,the

Q67: When the join condition specifies that rows

Q68: To be union compatible,each table must have

Q69: The following data are in the

Q70: <span class="ql-formula" data-value="Table~Employee\\\begin{array}{|l|l|l|l|l|}\hline \text { Empno }

Q71: The relational algebra operator restrict produces a