Databases are available 24 hours a day, 7 days a week. You can use them on or off campus. If you are using them from off campus you will be prompted to put in your SU username and password (the same one you use for Gull Net, MyClasses, or an SU computer).
Sometimes, you can judge how reliable website information is by noting the URL ending.
.GOV - refers to a government website. Highly reliable.
.EDU - often refers to a reliable educational website.
.ORG - implies a non-profit ORGanization. Approach with skepticism.
.COM - stands for "Commerce" and is used for business. Approach with skepticism.