Let R and S be the following relations: R S А В С 3 1 2 13 2 2 3 1 А C D 13 2 1 2 3 2 3 1 3 2 1 Give tables for the following relations: 1. RAS 2. П[А, В](R) м П[А, С](S) 3. ПА, С](R) — П[А, С](S)

Let R and S be the following relations: R S А В С 3 1 2 13 2 2 3 1 А C D 13 2 1 2 3 2 3 1 3 2 1 Give tables for the following relations: 1. RAS 2. П[А, В](R) м П[А, С](S) 3. ПА, С](R) — П[А, С](S)

Database Systems: Design, Implementation, & Management

12th Edition

ISBN:9781305627482

Author:Carlos Coronel, Steven Morris

Publisher:Carlos Coronel, Steven Morris

Chapter10: Transaction Management And Concurrency Control

Section: Chapter Questions

Problem 7P

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Question

Let R and S be the following relations:
R
S
А В С
3 1 2
13 2
2 3 1
А CD
13 2
1 2 3
23 1
3 2 1
Give tables for the following relations:
1. RAS
2. П[А, В](R) w П[А, С](S)
3. ПА, С](R) — П[А, С](S)

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