SQL Server Microsoft Documentation
Intro to SQL by Khan Academy (Course): Comprehensive video series that covers every important SQL topic:
Head First SQL by Lynn Beighley
SQL Tutorial by w3schools
Excel for Dummies - ebook at USD Copley Library [you will need to log-in with your USDOne credentials]
Copley Library catalog search for e-books on Excel - click for results, log-in needed
Excel Training Documents for Windows
Copley Library resources for SAS in ebook form - click for results, log-in needed
Free SAS E-Learning for Academics
SAS Learning Module from Institute of Digital Research and Education, UCLA