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Database schema
- 1. Database Schema Organization ofDatabase
- 2. Outline Scenario ERD (Entity RelationDiagram) Normalization Database Schema
- 3. Scenario A new HealthcareCompany named Take Care is designing its database. The current setup of an HMO is an account (a company for instance) enrolls its employees and family members. All members will be assigned with its designated plans. Then all member claims (i.e. doctor consultation, hospitalization) should be recorded.
- 4. ERD (Entity RelationDiagram) Entities Account Entity Member Entity Plan Entity Claims Entity
- 5. ERD (Entity RelationDiagram) Attributes Account Name Account Information Account Contract Member ID Member Name Member Personal Information
- 6. Plan Number PlanInformation Claim Number Claims Information ERD (Entity Relation Diagram)
- 7. ERD (Entity RelationDiagram) Account Name Account Info Account Entity 1 TO M Member Entity Claims Entity Plan Entity Account Contract Member ID Member Name Member Info M TO M 1 TO M Plan NumberPlan Info Claim NumberClaims Info
- 8.
- 9. Normalization ACCOUNT PK ACCOUNT_ID ACCOUNT_NAME ACCOUNT_TYPE START_DATE END_DATE ADDRESS CONTACT_NO MEMBER PK MEMBER_ID FK1ACCOUNT_ID MEMBER_TYPE LAST_NAME FIRST_NAME MIDDLE_NAME EXTENSION RELATIONSHIP BDAY GENDER CIVIL ADDRESS EFF_DATE EXP_DATE MEMBER_PLANASSIGN FK1 MEMBER_ID FK2 PLAN_NUMBER PLAN PK PLAN_NUMBER PLAN_CODE DENTAL_REMARKS MATERNITY_REMARKS BENEFIT_LIMIT START_DATE CLAIM PK CLAIM_NUMBER FK1 MEMBER_ID DATE_IN DATE_OUT CLAIM_TYPE DOCTOR DAIGNOSIS RENARKS AMOUNT
- 10. Database Schema CreateDatabase create database take_care; Create Tables create table account_details ( account_id nvarchar(12), account_name nvarchar(75), account_type char(5), start_date datetime, end_date datetime, address nvarchar(100), contact_no nvarchar(20), constraint account_details_pk primary key (account_id) );
- 11. Database Schema create tableplan_details ( plan_id nvarchar(4), plan_code nvarchar(10), dental_remarks nvarchar(75), maternity_remarks nvarchar(75), benifit_limit nvarchar(10), start_date datetime, constraint plan_details_pk primary key (plan_id) );
- 12. Database Schema create tablemember_details ( member_id nvarchar(12), account_id nvarchar(12), member_type char(1), last_name nvarchar(50), first_name nvarchar(50), middle_name nvarchar(50), extension nvarchar(5), relationship nvarchar(20), bday datetime, gender char(1), civil nvarchar(20), address nvarchar(100), effectivity_date datetime, exp_date datetime, constraint member_details_pk primary key (member_id), constraint member_details_fk foreign key (account_id) references account_details(account_id));
- 13. Database Schema create tablemember_planassign ( member_id nvarchar(12), plan_id nvarchar(4), start_date datetime, end_date datetime, constraint member_planassign_fk1 foreign key (member_id) references member_details (member_id), constraint member_planassign_fk2 foreign key (plan_id) references plan_details (plan_id) );
- 14. Database Schema create tablemember_claims ( claim_number int, member_id nvarchar(12), date_in datetime, date_out datetime, claim_type nvarchar(20), doctor nvarchar(50), daignosis nvarchar(255), remarks nvarchar(255), amount decimal, constraint member_claim_pk primary key (claim_number), constraint member_claim_fk foreign key (member_id) references member_details (member_id) );