Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Suppose the relations Rand Shave n tuples and m tuples, respectively. Give the minimum and maximum numbers of tuples that the results of the following
Suppose the relations Rand Shave n tuples and m tuples, respectively. Give the minimum and maximum numbers of tuples that the results of the following expressions can have. a) RUS b) RMS c) Oc (R) S, for some condition C. d) TTL (R) - S, for some list of attributes L. Assume the projection operator eliminates duplicates. 02120 tol
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Deductive And Object Oriented Databases Third International Conference Dood 93 Phoenix Arizona Usa December 6 8 1993 Proceedings Lncs 760
Authors: Stefano Ceri ,Katsumi Tanaka ,Shalom Tsur
1993rd Edition
3540575308, 978-3540575306
