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Which database object does not physically exist?
A view database object does not physically exist.
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
The Database Approach In order to overcome the limits of a file system, a new approach was needed. Hence a database approach emerged. A database is a persistent collection of
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
in case of functional dependencies how we get the higher normal form.
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks
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