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What is multiple relationship ?
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
What is the function of SQL Server Agent Windows service? - It's a Windows service that handles tasks scheduled within SQL Server environment. These tasks are also known as job
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
While sorting field groups we cannot use more than one key field False.
Explain the Strategy of Database Planning ?
Define the Canonical cover Ans: A canonical cover F c for F is a set of dependencies like F logically implies all dependencies in F c , and F c logically entails all dependen
Which model is record based logical model? Network Modelis basically known as record based logical model.
The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
why are older data models are being replaced by new data models
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