Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

The Oracle SQL Developer tool can connect to databases other than Oracle, including MySQL, Microsoft SQL Server and DB2. The SQL development environment helps the programmer perform basic functions on ...

I've said it before and I'll say it again: If you want to speed up your application, don't look at your code, look at your data access. The two slowest things you can do in application development are ...