Answer any IHREE out of the FOUR questions in this section in the answer sheet provided. Each question carries 20 marks. If you answer more than three questions, only the first three attempted questions will be marked. Indicate in your answer sheet clearly which three questions you are attempting Quation Al The relational model below (in Figure 1) represents a database system of an education center. Trainer Assigned, to Trainer D Trainer 0 Datroith Programmeo Expertise Programme School Programme D Description 1school0 School Name Type Location School D Figure 1: Education Center Database (a) Idkntify cach relationship between tables Trainer, Progrumme and School, then write nll he business rules in this model. (b) Suppose a new trainer is hired and immediately assigned to 0NE new programme at a new school and to IHREE other already existing programmes. How many rows must be added to the database to refket this change? State the TOTAL number of rows to be added in the database and then list out ALL those affected tables and the number of added rows in cach affected table.
Answer any IHREE out of the FOUR questions in this section in the answer sheet provided. Each question carries 20 marks. If you answer more than three questions, only the first three attempted questions will be marked. Indicate in your answer sheet clearly which three questions you are attempting Quation Al The relational model below (in Figure 1) represents a database system of an education center. Trainer Assigned, to Trainer D Trainer 0 Datroith Programmeo Expertise Programme School Programme D Description 1school0 School Name Type Location School D Figure 1: Education Center Database (a) Idkntify cach relationship between tables Trainer, Progrumme and School, then write nll he business rules in this model. (b) Suppose a new trainer is hired and immediately assigned to 0NE new programme at a new school and to IHREE other already existing programmes. How many rows must be added to the database to refket this change? State the TOTAL number of rows to be added in the database and then list out ALL those affected tables and the number of added rows in cach affected table.
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter9: Database Design
Section: Chapter Questions
Problem 7P
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