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A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside
A database administrator''s responsibilities and data contents
Lost Updates : Suppose the two transactions T3 and T4 run simultaneously and they happen to be interleaved in the following way (suppose the initial value of X as 10000):
projects?
Process to find the non-concurrent objects Once we find out non-concurrent (mutually exclusive) objects, we can fold all objects together in one thread of process or control. O
What are the advantages of using a DBMS? The benefits of using a DBMS are a) Controlling redundancy b) Restricting unauthorized access c) Giving multiple user interfac
4. Describe three ways to handle missing field values
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
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