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SQL (Structured Query Language)

How to Connect to an Unresponsive SQL Server: Direct Admin Connection
When SQL Server stops responding but is still, the first impulse is to reboot SQL Server. This may stop the symptom, but will not tell you anything to help you prevent the cause. More ...

A Free Windows Graphical Interface to MySQL
In my previous article "Gettting Started With MySQL Database" we installed MySQL on Windows and worked with it using MySQL monitor in a DOS window. In this article, rather than work with a DOS window, we will use a free Windows Graphical Interface to MySQL. More ...

Introduction to Variables in PHP
Computer programs usually work with some form of data. This article is an introduction to variables in PHP. More ...

Microsoft SQL Azure - Microsoft Takes SQL Databases to the Clouds
SQL Azure provides data storage in the cloud, much like Amazon S3 and many Google Apps. One of the big advantages for SQL Azure is that relational queries can be made against data stored in the cloud, regardless of whether they are structured. More ...

Use Perfmon and SQL Profiler Together to Troubleshoot SQL Server Performance Issues
A great technique for troubleshooting SQL Server performance issues is to use Perfmon and SQL Profiler together. Each tool give you insight into what is happening with your database server, but combined they can narrow down your performance issue to specific events or statements. More ...

Working With Numbers in PHP
One of the most important things to consider in using arithmetic operators is operator precedence, that is, the order in which the operations are performed. More ...

Introduction to SQL Database Design
A Database is the storage of data in what are called tables. Without knowing what kind of data you are planning on storing, you will not know how to create the tables. More ...

Build Relational Databases in Seven Steps
Many web applications revolve around a relational database. So to create a good application design, you should always create a good database design. Database design is a step-by-step process. More ...