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Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Explain Data Dictionary in short?
external view of DBMS in healthcare department?
Which model is record based logical model? Network Modelis basically known as record based logical model.
The definition of the classes and operation can often be adjusted to increase the amount of inheritance". Justify the above statement. Adjustment of Inheritance The def
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
State the terms Designing the database and Normalization Designing the database: Out of the ERD we have formed, it is very easy to verify the tables, the attributes which the
what is correlation in nested query
Now that she understands more about the benefits of databases, the play-scheme manager would like to extend the play-scheme database to include data for schools and instructors as
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