Database administrators can use this procedure to override some database options temporarily, without restarting the database.
The option values that are changed using this procedure are reset to their default values when the database shuts down. To
change an option value every time the database is started, specify the corresponding database option when the database is
started (if one exists).
When set to ON, restricts read-write file operations on the database to the directory where the main database file is
located and any subdirectories of this directory. To use the sa_db_option system procedure to change disk sandbox settings,
you must provide the secure feature key for the manage_disk_sandbox secure feature.
In order for the following example to work, the server must be started with the option: -sk securefkey.
This example enables the SYSTEM secure feature set which includes MANAGE_KEYS, creates a new secure feature key called SECURITY
with case-sensitive authorization key newsecuritykey, and then uses the new secure feature key to enable the DiskSandbox option.