, summarizes the different ways to specify the driver name and database connection URL. Action System Property ij Property ij Command loading the driver implicitly ij.connection.connectionName (plus full URL) ij.database (plus full URL) ij.protocolij.protocol.protocolName (plus protocol clause in Connect command) Protocol Connect (plus full URL) loading the driver explicitly jdbc.drivers -Dij.Driver Driver specifying the database connection URL ij.connection.connectionName ij.database Connect