A guide to SQL by Shellman, Mark, Afyouni, Hassan, Prat, Philip J., Last, Mary Z.

Available for University of the Philippines Diliman College of Engineering via e-Textbook Reserves under Vital Source. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering. Click here to access thru Remote Access via EZProxy

Microsoft Office 365 Access 2016 comprehensive by Pratt, Philip J., Last, Mary Z.

A guide to MySQL by Pratt, Philip J. 1945-