SQLCourse.com - This is the original SQL Tutorial site that allows you to practice what you learn on-line including: creating tables, inserting, updating, deleting, and dropping.
dbaSupport.com - A complete guide for Oracle dbas, including study guides, Oracle news, and online discussions
UnixTools's list of Useful Free & Shareware Tutorials. Includes: Unix, Systems Administration, Perl, Java, SQL
Gary Beene's VISUAL BASIC WORLD This site contains over 250 URLs of Visual Basic Information as well as a very nice on-line Visual Basic Tutorial
sqlwire.com - Excellent/Free Resources to the SQL Community