NAMES.DIRECTORY_PATH
An entry found in the sqlnet.ora file that defines the net service name search method hierarchy for a client.
The name of an Oracle service on the network. This is the name the user enters when referring to an Oracle service.
A failure in the network connection between the client and the database; for example, a router reboot or a failure of a network card in the server.
NOARCHIVELOGmode
A database mode in which redo log files are not written to an archive destination before they are overwritten. A database in NOARCHIVELOG mode can recover only from an instance failure.
A network architecture involving at least three computers, typically a client computer, a middle-tier computer, and a database server.