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How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
explain cascading rollback
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
examples of fields in a database
The Maximum no of key fields that can be used in a header is?? 50
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
What is theta join explain? Theta Join - The theta join operation is an extension to the natural-join operation which permits us to merge selection and a Cartesian
why are older data models are being replaced by new data models
explain normalisation
sql is relationally complete-justify
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