1. Hereunder is the Database ER diagram. Write a reasonable set of assumptions for this. 2. Explanation...
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1. Hereunder is the Database ER diagram. Write a reasonable set of assumptions for this.
2. Explanation of normalisation challenges and the resulting changes.
3. Write the Database schema.
Transcribed Image Text:
CountryLocManufacturer iso_code mfd_date vaccine_id total_vaccinations IN 1..N CountryDailyVaccination iso_code daily observation_date LN total vaccinations people vaccinated people_fully_vaccinated. total boosters vaccine type_id 1..N 1.1 iso_code (PK) location 1..1 1..1 vaccine_id [PK] vaccine name Vaccine 1..1 Location 1..1 1.N 1..1 Vaccine Types 1..N vaccine_type_id (PK) vaccine_type_names iso_code 11 1..1 1..N AgeGroup_vaccination age_group_id 1N iso_code observation date people_vacc_per_hundred people_fuly_vacc_per_hundred people with booster_per_hundred CountryObservation iso_code 1.1 last observation_date source_name source_website source_url vaccine type_id 1..N 1.N 1..N 1.1 iso_code observation_date total_vaccinations people vaccinated people_fully_vaccinated total_boosters age_group_id[PK] age_group_name 1.N daily_vaccinations_raw daily vaccinations US StateVaccination location iso_code daily observation_date total vaccinations total_vacc_distributed people vaccinated i people_fully_vacc_per_hundred 1.N total vacc per hundred people_fully_vaccinated people_vaccinated_per_hundred vacc_distributed_per_hundredi AgrGroup 1.N CountryAllObservVaccinations daily_vacc_raw daily_vacc daily vaccination_per_million share_doses_used total boosters total_boosters_per_hundred total vaccination_per_hundredi people_vaccinated_per_hundred people_fully_vaccinated_per_hundred total boosters_per_hundred daily vaccinations_per_million daily people vaccinated daily people_vaccinated_per_hundred CountryLocManufacturer iso_code mfd_date vaccine_id total_vaccinations IN 1..N CountryDailyVaccination iso_code daily observation_date LN total vaccinations people vaccinated people_fully_vaccinated. total boosters vaccine type_id 1..N 1.1 iso_code (PK) location 1..1 1..1 vaccine_id [PK] vaccine name Vaccine 1..1 Location 1..1 1.N 1..1 Vaccine Types 1..N vaccine_type_id (PK) vaccine_type_names iso_code 11 1..1 1..N AgeGroup_vaccination age_group_id 1N iso_code observation date people_vacc_per_hundred people_fuly_vacc_per_hundred people with booster_per_hundred CountryObservation iso_code 1.1 last observation_date source_name source_website source_url vaccine type_id 1..N 1.N 1..N 1.1 iso_code observation_date total_vaccinations people vaccinated people_fully_vaccinated total_boosters age_group_id[PK] age_group_name 1.N daily_vaccinations_raw daily vaccinations US StateVaccination location iso_code daily observation_date total vaccinations total_vacc_distributed people vaccinated i people_fully_vacc_per_hundred 1.N total vacc per hundred people_fully_vaccinated people_vaccinated_per_hundred vacc_distributed_per_hundredi AgrGroup 1.N CountryAllObservVaccinations daily_vacc_raw daily_vacc daily vaccination_per_million share_doses_used total boosters total_boosters_per_hundred total vaccination_per_hundredi people_vaccinated_per_hundred people_fully_vaccinated_per_hundred total boosters_per_hundred daily vaccinations_per_million daily people vaccinated daily people_vaccinated_per_hundred
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1 Assumptions based on the ER diagram description Entities CountryLocManufacturer AgeGroup vaccination AgeGroup Location US StateVaccination CountryDaily Vaccination CountryObservation Vaccine Country... View the full answer
Related Book For
Data Modeling and Database Design
ISBN: 978-1285085258
2nd edition
Authors: Narayan S. Umanath, Richard W. Scammel
Posted Date:
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