In the end, we give out a run-of-mill valuation method on the base of linguistic logic, which can reduce the decision deviation of selecting the numericscale by error.
Variations in length for string data or in precision and scale for numeric data also point to potential issues in data presentation, validation, and usage.
字符串数据长度的变化或数值型数据精度和等级的变化也表明在数据的表示、验证和使用上存在潜在的问题。
3
Sett the precision and scale of columns with numeric data types.