Multiple Choice
A relational algebra operator produces the following result on the table Department: That operator is:
A) The restrict operator
B) The project operator
C) The extended cross product operator
D) A join operator
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The primary key of a table is
Q2: The _ rule states that each table
Q4: <span class="ql-formula" data-value="Table~Employee\\\begin{array}{|l|l|l|l|l|}\hline \text { Empno }
Q5: The natural join operator provides the ability
Q6: The following data are in the
Q7: The relational algebra operator that retrieves a
Q8: <span class="ql-formula" data-value="Table~Employee\\\begin{array}{|l|l|l|l|l|}\hline \text { Empno }
Q9: A(n)_ set operator retrieves the rows that
Q10: When the extended cross product operation is
Q11: Only a limited number of simple statistical