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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
What is the difference between internal tables and extract datasets? The lines of an internal table always have the similar structure. By using extract datasets, you can ha
losers with new information systems
Explain the cartesian product in Database Management System
Differance between Open addressing and chaining for collision resolution ? In open addressing , proceeding from the occupied position specified by hash address the program che
explaination
HOW MANY TYPES OF VIEWS
Which is a valid SQL type? A valid SQL Should be in CHARACTER it is should be NUMERIC and FLOAT.
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
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