Character String 
A character string is a data type (data_type) that consists of a series of alphanumeric characters.
Examples of data types that can be selected for character strings: CHAR[ACTER], VARCHAR, DATE, TIME, TIMESTAMP. In a column definition, a code attribute can be entered for the data types CHAR[ACTER] and VARCHAR.
The following comparison options exist for data types CHAR[ACTER] and VARCHAR:
Character strings with the same code attribute |
These character strings can be compared to each other. |
Character strings with the code attributes ASCII or UNICODE |
These character strings are comparable with the character strings of code attributes ASCII or UNICODE and with data, time, and timestamp values. |