The multi-byte character sets are not supported by the Web logic jDriver that in turn used for the Informix driver. But, the support for it is added in the codeset of web logic jDriver. The multi-byte characters are used in a multi-user environment application. This gets confirmed first and a check is made to see whether the file is corrupted or not. The command that is used to check is bcheck or secheck. These come as a utility. If the files integrity is being verified then the table is being formed consisting of the data that is required by the client. A lock can be provided for the use of multi-byte characters in the database and the table.