The numeric operators operate on any numeric values. All relational operators, except Contain, operate on Numeric, Character or Date values. Contain operates on two character values and returns true if the first is contained in the second. The logical operators, operate on two logical values and return a logical result. A function can be used as an xBase expression or as part of an xBase expression.
Functions return a particular type of value like operators, constants and fields.
This function trims all of the blanks from both the beginning and the end of the character string. The value must be a text string. The integer must be between 0 and 255. The value must be a single character. Date The character to date function converts a character value into a date value.