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Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
1.Why we need data mining? Give an example to illustrate your answer. 2. Why data mining is considered as "misleading name"? 3. Distinguish the difference between database an
differences between a classified catalog and a dictionary catalog
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
Write short notes on data ware housing? Data ware housing applications needs the transformation of data from many sources into a cohesive reliable step set of data configured a
The database files accept the actual data and are typically the biggest in size. Depending on their shape, the tables for all the user operation can go in one database file-but
What is Multivalued Attribute? Multivalued Attribute - Multivalued attribute might have more than one value for an entity. For instance, PreviousDegrees of a STUDENT.
What is the role of a database administrator?
What is the meaning of Data Independence ?
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