Answered step by step
Verified Expert Solution
Question
1 Approved Answer
1. Map the Conceptual EERD given on figure 1 to produce a complete LOGICAL ERD. This LOGICAL ERD needs to include all the correct tables,
1. Map the Conceptual EERD given on figure 1 to produce a complete LOGICAL ERD. This LOGICAL ERD needs to include all the correct tables, relationships, multiplicity constraints, attributes, primary keys and foreign keys. Please provide the correct logical EERD diagram, this question was submitted before, but the wrong answer was given.
Contract Customer subscribes to Staff contractRefNo(PK) contractStartDate 1..1 CustNO{PK) contractEndDate custName staffNo(PK) contractYearlyCost custSumame staffFullName custEmail staffMobNo custMobileNo staffEmail 1..1 1..1 1..1 covers [optional, and} instigates is registered (optional, or) for Corporate Individual Engineer Initial_Assessor Property companyName indivAddress is broken down in techExpertise propertyld(PK} 1..1 streetAddress postCode city makes conducts property TelNo heatSystemSpecif Maintenance_Visit 1..1 Payment visitNo[PK} takes place at at visitDate Time visitStatus paymentRefNo[PK] visitNotes paymentDate paymentAmount {mandatory, and} {mandatory, or} Servicing Repair Part requires is for Oneoff_Payment Instalment issueDescrip partRefNo(PK) 0..1 partName partDescrip frequency 0 * partPriceStep by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started