Through The SQL: Boolean Field in Visual Foxpro and MS SQL ...
Apr 25, 2017· In Visual Foxpro 9 (VFP) and it's lower versions, there exists a logical field with which a programmer can use to have some kind of a digital flip-type switch that we regularly use in queries or in a control, like a checkbox, for example. If one can imagine how a light switch works, the idea behind is the same with that of a logical field. The apparent difference …