DBVisualizer
http://www.minq.se/products/dbvis/
Can handle almost any database that comes with a JDBC driver (this includes access to an AS/400)
SQL Tutorial
http://www.mathcs.emory.edu/~cheung/Courses/377/Others/tutorial.pdf
Solves 99% of my SQL questions
Hi pal!
Just to warn you that the “SQL Tutorial” link doesn’t work anymore.
Cheers,
— —
R. Saraiva
Outsystems Developer | Portugal
Thanks for the hint, I updated the link