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#1 chetah  Icon User is offline

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Database:Relational Algebra

Post icon  Posted 27 September 2008 - 12:28 AM

Decompose the following query into Relational Algebra expression:
Select VehicleId, CustomerName
From Rental, Customer
Where Rental.CustomerId = Customer.CustomerId
And DateOut = 24-SEP-08
And DateReturn IS NULL
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