Chapter 9
UNICODE CONVERSION
Unicode is, like ASCII or EBCDIC, a character set that is used to represent numbers by characters. Everyone who works with computers probably knows that the character “A” is noted as the number 65 in the ASCII scheme. This schema uses 127 bits to store the entire table. The IBM PC and compatible computers use an extended ASCII table that is based on 256 bits instead of the default 128 bits. However, even this is not enough to represent all characters used worldwide. The ASCII and extended ASCII schemas work only on computers with western languages. The Cyrillic, Japanese, Thai, Indian, and Chinese characters cannot be presented using the ASCII scheme. An SAP database on Oracle 9i uses the WE8DEC character set, which ...
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