sjdbcCloseConnection
Close a Persistent Database Connection
Description
  Closes any open persistent database connection.  
Usage
  sjdbcCloseConnection()
Details
  Closes a connection that was made persistent previously using the keepAlive argument to one of the database functions.  
  This function is used primarily by importJDBC, exportJDBC, and executeJDBC to
  close connections after execution. It rarely needs to be called directly.  
Value
  returns no value. 
See Also
Examples
## Not run: 
  # close an open connection
  sjdbcCloseConnection()
## End(Not run)