Question: Show me Problem 2 . Given the following relation: AppSales ( AppID , AppName, DeveloperID, DeveloperName, DeveloperCountry, PlatformID, PlatformName, ReleaseDate, Price, UnitsSold ) Assumptions: Each

Show me Problem

2 .

Given the following relation:

AppSales

(

AppID

,

AppName, DeveloperID, DeveloperName, DeveloperCountry, PlatformID, PlatformName, ReleaseDate, Price, UnitsSold

)

Assumptions:

Each app has a unique ID

,

which is used across platforms. AppName may not be unique.

Each app has one and only one developer. Each developer has a unique ID and unique country. Different developers may have the same name. One developer may have many apps.

Assume each app can be released to different platforms, which are identified by PlatformID. One app

s release times and prices on different platforms can be different.the steps to solve

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