Answered: ·On slide #34, describe and draw a…

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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Transcribed Image Text:--- ### Review: Linking Data Tables to Answer an Inquiry #### Diagram Overview The content explains the process of linking data tables to answer specific queries. Three tables are outlined: - **Data Table 1: Project Table** - Contains columns: `Project number`, `Description`, `Dept. number`. - Sample Data: - (155, Payroll, 257) - (498, Widgets, 632) - (226, Sales manual, 598) - **Data Table 2: Department Table** - Contains columns: `Dept. number`, `Dept. name`, `Manager SSN`. - Sample Data: - (257, Accounting, 005-10-6321) - (632, Manufacturing, 549-77-1001) - (598, Marketing, 098-40-1370) - **Data Table 3: Manager Table** - Contains columns: `SSN`, `Last name`, `First name`, `Hire date`, `Dept. number`. - Sample Data: - (005-10-6321, Johns, Francine, 10-07-2013, 257) - (549-77-1001, Buckley, Bill, 02-17-1995, 632) - (098-40-1370, Fiske, Steven, 01-05-2001, 598) #### Instructions for Linking Tables - On slide #34, illustrate the process of linking three tables: 1. **Student-profile File**: Contains information such as first name, last name, first-enrolled-date, social security number, and student ID. 2. **Student-courses File**: Lists courses, terms taken, and professors for each course a student has taken. 3. **Student-grades File**: Contains grades for each course a student has taken. --- This instructional content is provided by Cengage Learning and Silkey & Phong Pham, emphasizing the intricacies of managing and querying linked databases in an educational context.

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