REQUEST COMPLIMENTARY SQLS*PLUS LICENCE
Command line parameters to run SQLS*Plus
Console version of SQLS*Plus can be run by specifying additional command line parameters.
Let’s list the most important command line parameters for SQLS*Plus:
-S (-SILENT) – “silent” mode, in which invitations will be suppressed, repeated commands entered by the user, banner displayed when connecting to SQLS*Plus, etc. will be suppressed. It is strongly recommended to use this parameter only together with the parameters defining the user name, password and the database to which you connect (otherwise, SQL*Plus will display the invitation to enter the user name and password, but it will be impossible to see it). Usually this parameter is used when writing query results to a file when starting SQL*Plus from the operating system batch file, when extra information is not needed in the generated file.
In addition to the above parameters, when starting SQL*Plus, you can immediately specify the user name, password and database instance to which you will connect, for example:
sqlpslusw xxx/pwd@sqldb001
In this case, scott is the name of the user to whom the connection is made, tiger is the password of this user, and sqldb001 is the name of the SQL Server instance (database) to which the connection is made. If the connection parameters are specified correctly, the connection in the database will be made at the start of SQLS*Plus, and the invitation to enter the username and password will no longer be displayed.
It seems very convenient, if you constantly have to connect to the same database on behalf of the same account, to create a batch file (or Windows shortcut), which will run SQLS*Plus with the user name, password and SQL Server instance. However, you should immediately consider that specifying the username and password in plain text is a potential security hole. The user password will also be visible in the history of execution of tasks on the command line, so you should use this syntax very carefully.
You can use abbreviated options to communicate information about the connection. For example, a command like:
sqlpslus /
will try to log on to the server using information about the user name in the operating system (by default user name in operating_system).
It is also possible not to specify the name of the SQL Server instance to which the connection is made:
sqlplusw xxx/yyy
In this case, you will connect to the SQL Server instance by default (depending on the SQL Server client settings on your computer).
SQLS*Plus can also be run in the mode when connection to the server is not made. All you need to do is specify the /NOLOG keyword:
sqlsplus /NOLOG
This feature is used very often. for example, when you need to make the original SQL*Plus settings, or by administrators when they need to perform any operations on a disabled SQL Server instance.
The last feature of the SQLS*Plus command line parameters is that you can execute a script saved in a file on disk right after starting. For example, to automatically run the script C:\sqls.sql, you can use the command
sqlsplus xxx/yyy@sqldb01 @C:\sqls.sql
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