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The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
job scheduling for different cubes
Which are the two ways in which entities can participate in a relationship? Total and partial are the two ways in which entities can participate in a relationship
Explain the systems development life cycle. This is the traditional method to develop, maintain, and replace information systems that contains the project identification and se
why older data models are being replaced by new data models.
Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,
There are two major types of fragmentation: Horizontal& Vertical. Horizontal fragments, as the name suggests are subsets of tuples and vertical fragments are subsets of attributes
what is definition hierarchical data model
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.
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