Data type (SAP Library - Reference Manual 7.2 (BC))

Data type

A data type is a set of values that can be represented.

NULL value (undefined value)

Special value, whose comparison with all other values is always undefined.

Special NULL value

Special value which may occur in arithmetical operations when these lead to an overflow or a division by 0. The comparison of a special NULL value with any value is always undefined.

Non-NULL value

Character string, LONG column, number, date value, time value, timestamp value, BOOLEAN

See also:

Using data types in SQL statements: data type