Question
Given the following two tables, express in Relational Algebra the queries below: PC (model, speed, ram, hard_disk, price) Laptop (model, speed, ram, hard_disk, price) a)
Given the following two tables, express in Relational Algebra the queries below: PC (model, speed, ram, hard_disk, price) Laptop (model, speed, ram, hard_disk, price) a) List the models of PCs that have a speed of at least 3.00. b) List the details of laptops having hard disk capacity less than 1000 and price greater than 500 OMR. c) List all the available models of PCs and Laptops.
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Understanding Databases Concepts And Practice
Authors: Suzanne W Dietrich
1st Edition
1119827949, 9781119827948
