SQL

Overview Structured Query Language, or SQL, is a helpful tool for finding specific information within a complex database. SQL code looks like simple English-like sentences, but are powerful enough to quickly and concisely find specific data in databases that may contain billions of records. The Web contains great SQL resources, including tutorials, examples, and FAQs. Check out the links below to learn more about this powerful tool.

General Information On the Webopedia.com site you can find a basic definition of both "query languages" and "SQL". The Wikipedia encyclopedia article on SQL provides thorough information about the scope, history, and usage of this query language. Helpful examples of SQL can be found at either www.itl.nist.gov or terre.u-aizu.ac.jp. Additional SQL resources, including articles, FAQs, and tips, can be found at dmoz.org/Computers/Software/Databases/SQL_Databases.

SQL Tutorials Many SQL tutorials can be found online. These tutorials are available from a wide variety of sources ranging from commercial DBMS sites to personal Web sites. To view a fraction of the many SQL tutorials found on the Internet, refer to the list of links below.

• www.sqlcourse.com
• www.sqlcourse2.com
• www.1keydata.com/sql/sql.html
• sqlzoo.net/
• www.w3schools.com/sql/default.asp

Additional Links The JCC's SQL Standard Page presents brief summaries of the SQL standards process. For detailed information about Microsoft’s SQL Server software, check out their product evaluation page at www.microsoft.com/sqlserver/2008/en/us/overview.aspx.