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here is an example: WORLD schema (complete) COUNTRY (Code, Name, Continent, Region, SurfaceArea, ... Code2) AK Name FK Capital References CITY, Nulls Allowed Delete Nullify, Update Nullify CITY ( ID, Name, CountryCode, District, Population) FK CountryCode References COUNTRY, Nulls Not Allowed Delete Cascade, Update Cascade COUNTRYLANGUAGE( CountryCode, Language, IsOfficial, Percentage) FK CountryCode References COUNTRY, Nulls Not Allowed Delete Cascade, Update Cascade

here is an example: WORLD schema (complete) COUNTRY (Code, Name, Continent, Region, SurfaceArea, ... Code2) AK Name FK Capital References CITY, Nulls Allowed Delete Nullify, Update Nullify CITY ( ID, Name, CountryCode, District, Population) FK CountryCode References COUNTRY, Nulls Not Allowed Delete Cascade, Update Cascade COUNTRYLANGUAGE( CountryCode, Language, IsOfficial, Percentage) FK CountryCode References COUNTRY, Nulls Not Allowed Delete Cascade, Update Cascade

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter2: Data Models
Section: Chapter Questions
Problem 11P
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here is an example:

WORLD schema (complete)
COUNTRY (Code, Name, Continent, Region, SurfaceArea, ... Code2)
AK Name
FK Capital References CITY, Nulls Allowed
Delete Nullify, Update Nullify

CITY ( ID, Name, CountryCode, District, Population)
FK CountryCode References COUNTRY, Nulls Not Allowed
Delete Cascade, Update Cascade

COUNTRYLANGUAGE( CountryCode, Language, IsOfficial, Percentage)
FK CountryCode References COUNTRY, Nulls Not Allowed
Delete Cascade, Update Cascade

Complete the relational model design of the following scenario by providing the appropriate attribute names for each table. Candidate keys and foreign keys must be depicted correctly in the schema. Take a screenshot of your design along with the sample data for each table in one image. NOTES: Do NOT add any other tables other than the ones provided. Do NOT include the foreign key rules, only the FK definitions. Provide sufficient sample data that demonstrate entity and referential integrity.. iFlex, a streaming service that monitors its subseribers by keeping track of the number of users for each plan. iFlex offers four plans namely mobile, basic, standard and premium. Each plan costs Php149 00, Php349.00, Php459 00 and Php549 00 respectively Subsenbers are requred to log in to the site by using their registered email addresses in order to search for and watch a particular film. It is important to monitor the subscription date (for defining the billing cycle) Newly created subscriptions are considered active However, these may also be suspended, canceled or terminated Relational Schema USERS (), PLAN (), SUBSCRIPTION ().
Transcribed Image Text:Complete the relational model design of the following scenario by providing the appropriate attribute names for each table. Candidate keys and foreign keys must be depicted correctly in the schema. Take a screenshot of your design along with the sample data for each table in one image. NOTES: Do NOT add any other tables other than the ones provided. Do NOT include the foreign key rules, only the FK definitions. Provide sufficient sample data that demonstrate entity and referential integrity.. iFlex, a streaming service that monitors its subseribers by keeping track of the number of users for each plan. iFlex offers four plans namely mobile, basic, standard and premium. Each plan costs Php149 00, Php349.00, Php459 00 and Php549 00 respectively Subsenbers are requred to log in to the site by using their registered email addresses in order to search for and watch a particular film. It is important to monitor the subscription date (for defining the billing cycle) Newly created subscriptions are considered active However, these may also be suspended, canceled or terminated Relational Schema USERS (), PLAN (), SUBSCRIPTION ().
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