Day: May 3, 2017
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ISO 21378 data types and transformation
Views: 86以下は、ISO PC 295 WG1会議(2017年5月)にて発表した資料です。修正が必要な箇所もありますが、基本方針はこれで良いと考えています。残念ながらデータ型の議論を深めることができませんでした。 ORACLE Character String Datatypes in ORACLE NUMBER Datatype in ORACLE 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 Database, up to 38 digits of precision. Numbers can be stored in a NUMBER column: Positive numbers in the range 1 x 10-130 to 9.99…9 x 10125 with up to 38 significant digits Negative numbers from -1 x 10-130 to 9.99…99 x 10125 with up to 38 significant digits Zero Positive and negative infinity (generated only by importing from an Oracle Database, Version 5) If a precision is not specified, […]