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  • What Does Expression Scale Do? -- Answer
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  • This option is a Progress SQL-89/4GL configuration. It provides an accurate value for Precision and Scale when the result is a Numeric Expression. For instance, select 10 + 12 in Progress will return the result as a numeric expression. In Progress SQL89/4GL, the Precision and Scale are returned as 0 as default. This means Applications, for example MSAccess, might interpret the results as a string and label it a char column. With these variables, the user has complete control over the Precision and Scale used for expressions. By default, the OpenLink drivers will return a default of 15,2 for Precision and scale respectively.
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