adplus-dvertising
frame-decoration

Question

Consider two tuples X and Y, the operation whose result includes tuples that are only in X but not in Y is classified as

a.

square of relation X and Y

b.

union of relation X and Y

c.

intersection of relation X and Y

d.

difference of relation X and Y

Posted under Relational Algebra DBMS

Answer: (d).difference of relation X and Y

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Consider two tuples X and Y, the operation whose result includes tuples that are only in X but not in Y is classified as

Similar Questions

Discover Related MCQs

Q. As compared to Cartesian product, the tuples which appears in the result by applying JOIN are the ones

Q. Consider two tuples R and S, the maximum size of R and S relations is divided to expected size of join is classified as

Q. In the notation for query trees, the node which is used to terminate the execution is classified as

Q. The expression used in relational calculus to specify request of retrieval is classified as

Q. The compatibility condition which states that the relations for union and intersection operations must consist of same type of tuples is classified as

Q. If the common attributes of two relations are classified as join attributes then the OUTER UNION must be equal to

Q. The degree of the PROJECT operation is equal to

Q. The operations used to combine multiple relations to present information in single table are classified as

Q. In the notation for query graphs, the single circles are used to represent

Q. The JOIN operation in which only equality operator is used is classified as

Q. In relational calculus, the expression which does not guarantees finite number of tuples is classified as

Q. In unary relational operations, the PROJECT operation is partition of relation usually classified as

Q. The JOIN operation in which two attributes joined have same name in both relations is classified as

Q. Consider two tuples A and B, the operation whose result includes tuples that are included in both relations is classified as

Q. The operation which is used to select the subset of tuples by satisfying the selection constraint and the selection is made from relation is classified as

Q. The value of the atom which evaluates either condition is TRUE or FALSE for particular combination of tuples is classified as

Q. The representation of relational calculus internal queries is classified as

Q. If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of second relation out of the two relations is classified as

Q. If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first relation out of the two relations is classified as

Q. The operation which only selects some of the columns from table and neglect the remaining columns is classified as