PL/SQL (Procedural Language/Structured Query Language) files contain database code that represents information that you can manipulate using Oracle operating systems and database programs. You ...

The Microsoft SQL Query Analyzer is part of the client tools that come with Microsoft SQL Server 2000 Enterprise Edition. ... How to Open Your Yahoo Mailbox.

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 ...