Which pair of relational algebraic operations requires union compatibility?
A) Union and join
B) Selection and projection
C) Intersection and difference
D) Cartesian product and intersection
Correct Answer:
Verified
Q3: Consider the table for an employee database
Q4: What is the most important service provided
Q5: You enterprise must decide whether to use
Q6: Consider the following database information: domain s_id:
Q7: Consider the Information Engineering diagram in the
Q9: Which of the following best describes a
Q10: The creation of intermediate entities occurs during
Q11: Consider the Recreation relation in the exhibit.
Q12: NULL) Primary Key Class_Num Consider the Information
Q13: Which of the following occurs in a
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents