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What is view in SQL? How is it defined?
Any relation that is not part of the logical model, but is made visible to a user as a virtual relation is known as a view.
We describes view in SQL by using the create view command. The form of the
Create view command is
Create view v as
Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Modify a sequence: ALTER SEQUENCE SEQSS INCREMENT 2 MAXVALUE 3000; Removing a sequence: DROP SEQUENCE SEQSS;
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
Problem: (a) Data mining is one of the best ways to analyse data and using software techniques, hidden and unexpected patterns and relationships in sets of data can be extrac
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
Greater potential for bugs: Since the sites of a distributed system operate simultaneously, it is more complex to ensure the correctness of algorithms. The art of constructing dis
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Forward Recovery (Redo): In this system the committed changes made by a transaction are reapplied to a previous copy of the database. In simpler
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