SQL is known to be a declarative query language: it allows to express the logic of a computation without describing its

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Sql Is Known To Be A Declarative Query Language It Allows To Express The Logic Of A Computation Without Describing Its 1 (92.05 KiB) Viewed 19 times

SQL is known to be a declarative query language: it allows to express the logic of a computation without describing its control flow. Or put differently: SQL queries describe what to do rather than how to do it. What does this mean in practice? Give an explanation using the following small example query in a few, short, meaningful sentences: SELECT Patients.name FROM Patients, Appointments WHERE Patients.pid= Appointments.pid AND Appointments.date= '01/05/2022' As a hint, you could describe some different ways on "how to" compute the answer to this same "what" query.