Comparison
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... A collation is a named function which takes two arbitrary length
strings as input and can be used to perform one or more of three
basic comparison operations: equality test, substring match, and
ordering test.
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Collations are an abstraction for comparison functions so that these
comparison functions can be used in multiple protocols. The details
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... Collations are an abstraction for comparison functions so that these
comparison functions can be used in multiple protocols. The details
of a particular comparison operation can be specified by someone with
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... comparison functions can be used in multiple protocols. The details
of a particular comparison operation can be specified by someone with
appropriate expertise, independent of the application protocols that
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... algorithm can be applied to
individual strings, and the result can be stored to potentially
optimize future comparison operations. A collation MAY specify that
the sort key is generated by the identity function. The sort key may
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... String Comparison ...