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[Solved]Given Relations Accounts Aid Integer Balance Double Type String Type Must One Credit Check Q37291568

Given these relations:

Accounts( aid: integer, balance: double, type: String ) [

type must be one of credit, checking, or cash ]

Customers( name: String, address: String, aid: integer )

Employees( eid: integer, name: String, position: String, salary:double )

Employs( store: String, eid: integer )

Inventory( name: String, item: String, quantity: integer )

Items( item: String, brand: String, price: double )

Stores( name: String, location: String )

Transactions( tid: integer, store: String, item: String,customer: String, date: Date )

2:

  1. In which cases and what ways would attribute or tuple-basedchecks be useful in the Mall relation set?

B)   Include a sample check.

Expert Answer


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