After mapping the following ER diagram to relational schema, attribute #_employees: * oBranchsupplier nameSupplierfirst_name last_nameMobileMsupply_type(birth_datename(salarySuppliesWorksemp idsexbranch_nameNForsuperviseebranch_idstart_dateEmployeeSupervisionBranch1supervisor(#_employeesManagesage1|м (salesNNWorksHandlesClientWithclient_idclient_nameO a. Will be added to Branch relationO b. Will be added to Client relationO c. Will be added to Handles relationO d. Will be added to Supplies relationO d. Will be added to a new relation with branch_idO e. None of them

In the given ER diagram, #_employees is an attribute for Branch entity.

After mapping the following ER diagram to relational schema, attribute #_employees: * . supplier name Branch Supplier first_name (last_name Mobile M supply_type birth_date name salary Supplies Works emp_id sex branch_name N For supervisee (branch_id start_date) Supervision Branch Employee supervisor employees Manages age M sales N N Works Handles Client With client id client_name O a. Will be added to Branch relation O b. Will be added to Client relation O c. Will be added to Handles relation

After mapping the following ER diagram to relational schema, attribute #_employees: * . supplier name Branch Supplier first_name (last_name Mobile M supply_type birth_date name salary Supplies Works emp_id sex branch_name N For supervisee (branch_id start_date) Supervision Branch Employee supervisor employees Manages age M sales N N Works Handles Client With client id client_name O a. Will be added to Branch relation O b. Will be added to Client relation O c. Will be added to Handles relation

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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