Sql*plus command-line tools to connect to Oracle database

1. Enter "Sqlplus/nolog" on the command line to start the tool.

2. Connect to Oracle Server conn username/password @ server connection string as connection identity

The client tool connects to the server based on the server connection string, and after the connection string, the client can operate the remote database as if it were native, so the configuration of the "Server connection string" is also called the local Network service configuration, if the Sql*plus tool is started on the server, And in the case of only one DB instance on the server, the connection string can be set by default, including the protocol to the server, the address of the server, the port of the server, etc. in the connection string, the configuration file is in the Oracle installation directory: network/admin/ Tnsnames.ora. The file is a text file that opens as follows:

Contains:

3. Next, you can manipulate the database.

Sql*plus command-line tools to connect to Oracle database