Purposes of the selection of a data type
Write down the four purposes of the selection of a data type?
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A data type must be selected so that all possible values are presented using minimal storage space. The data type must help to make sure data integrity and support all possible data manipulations (that is, cannot place a letter in a field like salary where a number is required).
Explain the function of metadata for the three-layer architecture?
Give a brief differentiation between metadata and data dictionary?
Can we stop and start one session in the concurrent batch?
Explain the master/detail reports?
Explain what is meant by the repository and what does it consists of?
Illustrates the NetLib for Clipper? Answer: It is a multi-faceted networking library for CA-Clipper. While this focuses upon network functionality this also have man
Illustrate the term multimedia data mining in short.
Database Requirements Consider a MOVIE database in which data is recorded about the movie industry. The data requirements are summarized as follows: • Each movie is identified by title and year of release. Each movie has a length in minutes. Each has a production company, and each is classifie
What are the purposes of using lookups?
Explain how is the HASH file used and where we can use it?
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