Question
Consider the following conceptual design database schema, design the relational model for the database by mapping the following ER diagram to relational schema then answer
Consider the following conceptual design database schema, design the relational model for the database by mapping the following ER diagram to relational schema then answer the questions in LMS
-Do we need an entity type to represent the COMPANY?
-Which entity type is a weak entity?
DEPARTMENT
PROJECT
TEAM
SPECIALIST
-The address attribute in SPECIALIST entity type consider as
Simple
Composed
Multi-valued
Derived
-The cardinality ratio of TEAM : DEPARTMENT is:
1:M
1:1
M:1
M:N
-How many relationships between TEAM and specialist?
1.12.23.34.No relation between them
-Participation of TEAM in in the relationship with DEPARTMENT is
total participationpartial participation
-The correct mapping of LOAN entity type is:
:The correct mapping of LOAN entity type is 9 :The correct mapping of BANK_BRANCH entity type is :The correct mapping of CUSTOMER entity type is 11 :The correct mapping of A-C relationship is No mapping is needed :The correct mapping of LOAN entity type is 9 :The correct mapping of BANK_BRANCH entity type is :The correct mapping of CUSTOMER entity type is 11 :The correct mapping of A-C relationship is No mapping is needed
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