Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- Find all manager names and all the employees each manager supervisesarrow_forwardUsing the company schema, when creating the "works_on" table, the foreign key should be specified as: foreign key (pno) foreign key (essn) foreign key (essn, pno) references employee (ssn) and project(pnumber) foreign key (essn) references employee(ssn), foreign key (pno) references project(pnumber)arrow_forwardExplain the rules and style guidelines for creating entity relationship diagramarrow_forward
- convert ER diagram to relation modelarrow_forwardReview: Linking Data Tables to Answer an Inquiry Data Table 1: Project Table Project number Description Dept. number 155 Payroll 257 498 Widgets 632 226 Sales manual 598 Data Table 2: Department Table Dept. number Dept. name Manager SSN 257 Accounting 005-10-6321 632 Manufacturingl 549-77-1001 598 Marketing 098-40-1370 Data Table 3: Manager Table SSN Last name First name Hire date Dept. number 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 © 2013-2019 Cengage learning. All Rights Reserved. May not be copied, scanned, duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use. 32 TBC – Instructions: Linking your tables together On slide #34, describe and draw a diagram to illustrate how you link the three tables: File: Student-profile contains your first name, last name, first-enrolled-date,…arrow_forwardTransform the above ER diagram into Relational Schemas Only Anserarrow_forward
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