Define the following attributes in the ODBC job script:
VARCHAR DSNName = @Data_Source, VARCHAR UserName = @DB2UserName, VARCHAR UserPassword = @DB2Password,
The DSNName is the data source name. When this is not provided, the default local database identified by the SSID is used. When the user name and password are not provided the RACF credentials of the job and/or the name of the user who submitted the job are used.