Oracle/PLSQL: Execute an SQL script file in SQLPlus

Question: How do I execute an SQL script file in SQLPlus?
Answer: To execute a script file in SQLPlus, type @ and then the file name.

SQL > @{file}

For example, if your file was called script.sql, you'd type the following command at the SQL prompt:

SQL > @script.sql

The above command assumes that the file is in the current directory. (ie: the current directory is usually the directory that you were located in before you launched SQLPlus.)
If you need to execute a script file that is not in the current directory, you would type:

SQL > @{path}{file}

For example:

SQL > @/oracle/scripts/script.sql

This command would run a script file called script.sql that was located in the /oracle/scripts directory.