August 19, 2009 Michael Sansoterra
The DBCS open data type is used in many legacy applications as a way to support storage of either single byte character set (SBCS) data, double byte character set (DBCS) data, or even data from both character sets within a single data column. Defined with a data type of O within DDS specs, this data type carries an inherent agnostic coded character set identifier (CCSID) of 65535.
The DBCS open data type operates by storing single byte characters, as traditional single byte character columns do. However, when a DBCS open column stores double byte characters, it uses special embedded escape