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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
what should be included in this???
Question 1 What is data mining? Write Data Mining applications Question 2 What is OLAP? Write the benefits of OLAP Question 3 What is Business Intelligence? Explai
A student entity type has the following attributes,name..
What are metrics for choosing the best algorithm? Matrices for choosing the best algorithms are as below: Computational complexity Ease of understand ability and im
What are the requirements to ensure the objectives of file management principle is realized?
basic structure of xml
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
Failures and Recovery In practice various things might occur to prevent a transaction from completing. Recovery methods are used to bring database, which does not satisfy consi
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
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