"The O’Reilly Press Hacks Series book covers SQL
for MySQL, Microsoft SQL Server, Oracle, PostgreSQL, and Microsoft
Access. It covers 100 hacks which will definitely add to your SQL
toolkit, and it will help give you ideas of how to solve related
issues in writing queries.
"I find “SQL Hacks” to be very useful and easy to
follow. It uses the same textual conventions of the other
“Hacks” books from O’Reilly. Where needed, the
hacks address different databases, and any potential changes that
you might need to make to your query. Another feature I find useful
is a “hacking a hack” section. Certain hacks can be
taken a step further, helping you solve other potential
"The text also includes SQL code that you can use with several
databases. The authors clearly state the different syntactical
differences between how the different databases interpret SQL."