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Which database level is closest to the users?
External database level is closest to the users.
management information system based on functional organisation
what is 3nf
triggering
XYZ is a large chain of home entertainment rental over 100 stores distributed over all states in Australia. XYZ lends entertainment products such as movies, TV shows and games on v
1. Define each of the following IN YOUR OWN WORDS: (a) File: (b) Record: (c) Field: (d) Primary Key: (e) Secondary Key: 2. A travel agency wants t
The JOIN operation is applied on two relations. When we want to choose related tuples from two given relation join is used. The join operation need that both the joined relations m
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
examples of fields in a database
Explain how you can define an object model of a system. A list of terms that shall be used by end users to describe state and behaviour of objects in system. Different use
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