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Explain retrieval in QBE?
Retrieval in QBE : A "GUI" for expressing queries.
But has influenced many projects Especially PC Databases: Paradox, Access, etc.
Hierarchical
What is object containment? References among objects can be used to model dissimilar real-world concepts.
What are the difference between clustered and a non-clustered index? A clustered index is a special type of index that reorders the way records in the table are physically stor
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
what is attribute is attribute inheritance in dbms?
Which method of access uses key transformation? A Hash method of access uses key transformation.
Emergence of Client Server Architecture Some of the pioneering work that was completed by some of the relational database vendors permitted the computing to be distributed on m
Which model is record based logical model? Network Modelis basically known as record based logical model.
deffine class&object
define normalisation and functional dependency
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