When a table is defined, attributes specific to external DBMS table types are held in the @SERVERPARMS control table, which is parameterized by table name. Regarding the external environment, each occurrence in the table specifies a value (such as SERVERID and SERVERTYPE) for the table.
Use the SETXPARM and RESETXPARM tools to modify the SERVERID. Modifying this parameter reduces the number of table definitions required to define the external data. The changes are stored in either of the following tables:
TIBCO Object Service Broker Shareable Tools for detailed descriptions of the SETXPARM and RESETXPARM tools.