WHENEVER OSERROR {EXIT [SUCCESS | FAILURE | n | variable | :BindVariable] [COMMIT | ROLLBACK] | CONTINUE [COMMIT | ROLLBACK | NONE]}
Performs the specified action (exits SQL*Plus by default) if an operating system error occurs (such as a file writing error).
[SUCCESS | FAILURE | n | variable | :BindVariable]
Directs SQL*Plus to perform the specified action as soon as an operating system error is detected. You can also specify that SQL*Plus return a success or failure code, the operating system failure code, or a number or variable of your choice.
EXIT [SUCCESS | FAILURE | n | variable | :BindVariable]
Directs SQL*Plus to exit as soon as an operating system error is detected. You can also specify that SQL*Plus return a success or failure code, the operating system failure code, or a number or variable of your choice. See EXIT for more information.
CONTINUE
COMMIT
Directs SQL*Plus to execute a COMMIT before exiting or continuing and save pending changes to the database.
ROLLBACK
Directs SQL*Plus to execute a ROLLBACK before exiting or continuing and abandon pending changes to the database.
NONE
If you do not enter the WHENEVER OSERROR command, the default behavior of SQL*Plus is to continue and take no action when an operating system error occurs.
If you do not enter the WHENEVER SQLERROR command, the default behavior of SQL*Plus is to continue and take no action when a SQL error occurs.