i want the answer of this databse qoustionplease dont answer until u will answer it correctly because im gonna give feedback weather like or dislike Consider the join of relation a with a relation b. If A has k tuples and B has r tuples then the maximum and minimum sizes of the joinrespectively areO a. r.k and r+kO b. r.k and 1Oc. r.k and 0O d. K +r and 0

The maximum size of join is r.k (no matching constraint, the natural join will produce a Cartesian…

Consider the join of relation a with a relation b. If A has k tuples and B has r tuples then the maximum and minimum sizes of the join respectively are O a. r.k and r+k O b. r.k and 1 Oc r.k and 0 O d. K +rand 0

Consider the join of relation a with a relation b. If A has k tuples and B has r tuples then the maximum and minimum sizes of the join respectively are O a. r.k and r+k O b. r.k and 1 Oc r.k and 0 O d. K +rand 0

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Types of Security Models

The security models are specifically defining the relationship of operating system performance with the information security models. The effective and efficient security models secure the sensitive and relevant information or data of the organizations. The security policy is verified by using the information security models. They deliver a precise set of directions to the computer to follow the implementation of vital security processes, procedures, and concepts contained in a security program. They define the security concern in information threads.

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i want the answer of this databse qoustion

please dont answer until u will answer it correctly because im gonna give feedback weather like or dislike

Consider the join of relation a with a relation b. If A has k tuples and B has r tuples then the maximum and minimum sizes of the join
respectively are
O a. r.k and r+k
O b. r.k and 1
Oc. r.k and 0
O d. K +r and 0

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