Use the table below to compare alphanumeric (DISPLAY), DBCS (DISPLAY-1), and Unicode (NATIONAL) encoding and to plan storage usage.
| Characteristic | DISPLAY | DISPLAY-1 | NATIONAL |
|---|---|---|---|
| Character encoding unit | 1 byte | 2 bytes | 2 bytes |
| Code page | ASCII, EUC, UTF-8, or EBCDIC3 | ASCII DBCS or EBCDIC DBCS3 | UTF-16BE1 |
| Encoding units per graphic character | 1 | 1 | 1 or 22 |
| Bytes per graphic character | 1 byte | 2 bytes | 2 or 4 bytes |
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related concepts
Unicode and the encoding of language characters
related tasks
Specifying the code page for character data
related references
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