please answer all the questions. much thanks Question Al The relational model below (in Figure 1) represents a database system of an education center. Trainer Assigned to I Trainer ID 1 Trainer ID DateOfBirth 1Programme D Expertise School 1 Programme ID Description School Name Type Location School ID Figure 1: Education Center Database (a) Identify each relationship between tables Trainer, Programme and School, then write all the business rules in this model. (b) Suppose a new trainer is hired and immediately assigned to ONE new programme at a new school and to THREE other already existing programmes. How many rows must be added to the database to reflect 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 each affected table.

please answer all the questions. much thanks Question Al The relational model below (in Figure 1) represents a database system of an education center. Trainer Assigned to I Trainer ID 1 Trainer ID DateOfBirth 1Programme D Expertise School 1 Programme ID Description School Name Type Location School ID Figure 1: Education Center Database (a) Identify each relationship between tables Trainer, Programme and School, then write all the business rules in this model. (b) Suppose a new trainer is hired and immediately assigned to ONE new programme at a new school and to THREE other already existing programmes. How many rows must be added to the database to reflect 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 each affected table.

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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