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Which method is used to key transformation ?
A hash method is used to key transformation.
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
he SQL query that will return the order number, quantity ordered, price each and total cost of an order (quantity * price each) from the order details table. Label the calculated c
What is object containment? References among objects can be used to model dissimilar real-world concepts.
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
what is completeness constrent?
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
sql is relationally complete-justify
What are the three data anomalies that are similarly to take place as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why n
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
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