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Numbers in an Oracle database are always stored as variable-length data. A NUMBER column can store up to 38 significant digits. Numeric data types require: One byte for the exponent; One byte for every two significant digits in the mantissa; One byte for negative numbers if the number of significant digits is less than 38 bytes.
출처: www.siue.edu/~dbock/cmis460/3-databaseconcepts.htm
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| number |
A non-negative integer with an entire range limited by the range of a C language signed integer (2,147,483,647 on a machine with 32 bit integers). Its acceptable value might further be limited by the context in which it is used.
출처: www.ludd.luth.se/~kavli/BIND8/docdef.html
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| number |
a field that can contain only numbers. Most number fields are updated automatically by MacPOS. Examples of number fields would be the in-stock quantity, month-to-date, year-to-date sales dollars, credit limits and many others.
출처: www.macpos.com/tutorial/glossary.html
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| number |
actual numbers, not numerals! 45,760 is not the same as "45,760": a computer interprets and uses numbers, but sees the numerals "45,760" as characters that are the same as "ab,cde".
출처: www.dreamhand.net/depts/edu/games/bit_168/168_glos...
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