ExternalDatabase Methods

The methods defined in the ExternalDatabase class are summarized in the following table.

Method	Description
abortExternalTransaction	Rolls back the changes made during the current transaction
beginExternalTransaction	Starts a database transaction
canTransact	Returns true if the external database supports transactions
close	Closes the connection to an external database
commitExternalTransaction	Commits a transaction
executeSQL	Directly executes an SQL statement
getFileDSN	Returns the file data source name
getLastError	Returns the last ODBC exception when the isSQLValid method returns false
getMachineDSN	Returns the machine data source name
importStoredProcedures	For internal use only
isOpen	Returns true if the external database is currently open
isSQLValid	Checks the syntax of an SQL statement
isUpdatable	Returns true if the external database can be updated
loadProcedure	Reserved for future use
open	Opens a connection to an external database
setFileDSN	Programmatically sets the file data source name
setMachineDSN	Programmatically sets the machine data source name