What is the best SQL data type for currency values? I'm using MySQL but would prefer a database independent type.

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You must use fixed-point numeric data type for storing the money values in MYSQL like this:

decimal(15,2)

Here, 15 is the precision (i.e. total length of value including decimal places) and 2 is the number of digits after the decimal point.

**Note: **As money needs an exact representation. So, never use data-type that is only approximate like float.

For more information, you can refer to MySQL Numeric Types