"CINAHL Databases - Basic Searching Tutorial" (3:20) is by EBSCO Tutorials
Many of the recommended articles databases are provided by EBSCOhost. This video tutorial will give you the basics for using nearly every EBSCOhost-provided database.
"Introduction to EBSCOhost - Tutorial" (4:08) by EBSCO Tutorials
"Gale Academic OneFile Database Search" (clip starts at 1:24) by Sandburg Library is licensed under CC-BY.
"Health Reference Center Overview Video" (4:57) by Infobase