MVvs.DATAF

Memory variable files are a way to store the status of memory variables that are currently stored in memory.A variable is a way of referring to a memory location used in a computer program. This memory location holds values- perhaps numbers or text or more complicated types of data like a payroll record.

Data field definition usually includes field structure (size of each field and whether it is a date, an integer, or a text field) and field organization (names and locations of data fields within a document record).A data field in a database that contains the date of the document.