Re: Storing large numbers, NUMBER datatype questions

I suggest using the Concepts or the Application Programmers Guide instead. Both manuals have a chapter on the Oracle database data types.

>From the Concepts manual (version 10.2) Ch 26 Native Datatypes
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NUMBER Datatype
The NUMBER datatype stores fixed and floating-point numbers. Numbers of virtually any magnitude can be stored and are guaranteed portable among different systems operating Oracle, up to 38 digits of precision.

The following numbers can be stored in a NUMBER column:

Positive numbers in the range 1 x 10-130 to 9.99...9 x 10^125 with up to 38 significant digits

Negative numbers from -1 x 10-130 to 9.99...99 x 10^125 with up to 38 significant digits
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• Mark D Powell --