The "test -f" command can also check if a particular file exists ... SSH, or secure shell, is a Unix shell used for... How to Open a PL/SQL File How to Open a PL/SQL File. PL/SQL (Procedural ...

Once you disconnect a database, you must restore it from its .MDF file in a process called "attachment." SQL Server offers two ways to attach the .MDF file: via the Management Studio program's ...