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sashaice [31]
3 years ago
12

Discuss the characteristics of relations that make them different from ordinary tables and files

Computers and Technology
1 answer:
zmey [24]3 years ago
5 0

<span>Ordering of tuples in a Relation : </span>The tuples are not considered to be in order, even though they appear to be in the tabular form. The Ordering of attributes in a relation schema R and of values within each tuples - We consider the attributes in R(A1, A2, .., An) and the values in t=<v1, v2, .., vn> to be in order. Values in a tuple :  All values are considered to be indivisible (atomic). A special null value is used to represent values that are unknown or not applicable to certain tuples.

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