Code Attribute 
You use the code attribute to determine which character set should be used when values are stored in a table column. The sort sequence, among other things, is dependent on this.
Code Attribute |
Column Values |
|---|---|
No code attribute |
The column values have the code attribute defined in the database system. |
ASCII |
The column values are stored in ASCII code. |
BYTE |
The column values are stored in a code, that is, the column values are not converted by the database system. |
UNICODE |
The application data in a table column is stored in Unicode. |
More Information
Database Studio, Creating Columns
SQL Reference Manual, Code Attribute
Loader, Code Specification