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What is a virtual table that draws its data from the result of an SQL SELECT statement?
View is a virtual table that draws its data from the result of an SQL SELECT statement.
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
State about the Use Case Diagram A use case diagram represents a set of use cases, actors and their relationships. These diagrams shall be used to model context or requirement
You are required to program (in a high level language such as C, C++, Java) and implement a cache simulator which will have the following inputs and outputs:- INPUTS
Explain the database Planning Project ?
explain in detail about crash recovery
Define instance and schema? Instance: Collection of data kept in the data base at a particular moment is known as an Instance of the database. Schema: The o
What are the features of embedded SQL? Explain. Embedded SQL - SQL could be implemented within two ways. It can be used interactively or embedded in a host language or throu
Why does a DBMS query language is designed? A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applicat
What is Outer join? They can be employed while we want to keep all the tuples in R, or all those in S or all those in both relations in the result of the JOIN in spite of of w
In Database software have only pure security or some dis secured by administrator?
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