Classes and Categories of Data

| Class of elementary data items2 | Category | Usage |
|---|---|---|
| Alphabetic | Alphabetic | DISPLAY |
| Alphanumeric | Numeric-edited |
DISPLAY |
| Numeric | Numeric | DISPLAY (type zoned decimal) |
| Internal Floating-Point1 | COMP-1 |
|
| External Floating-Point1 | DISPLAY | |
| Boolean1 | Boolean1 | DISPLAY |
| DBCS1 | DBCS1 |
DISPLAY-1 |
National1![]() |
![]() National1 ![]() |
NATIONAL![]() |
| Date-Time1 | Date1 |
DISPLAY |
| Timestamp1 | DISPLAY | |
|
||
