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We define a view in SQL through using the create view command. To describe a view, we must provide the view a name and must state the query in which computers the view. The form of the create view command is
Create view z as where z is the view name < query expression > is any legal query expression.
Database Management Systems 1. Explain SQL Server 2000 Architecture with diagram. 2. Describe Second Normal and Third Normal Form. 3. Explain about query engine and stora
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
diagrams and meaning
An important first step to the statistical analysis of data is to "get to know your data". The following tasks should contribute to this. (a) To the right of the dataset cons
what is correlation in nested query
Insertion Anomaly: Inability to show certain information-The primary key of the over relation be (enrolment number, Cno). Any new tuple to be inserted in the relation should have
Explain the components of Database System in details.
Question : Object-Oriented Database (OODM) is defined as a logical data model that captures the semantics of objects supported in object-oriented programming. An Object-Oriente
Design a gennalization and specialization hierarchy for an automobile sales company
Explain the Natural join Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinati
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