The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business websites ...

In the original proposal for the World Wide Web, Tim Berners-Lee wrote: A generic tool could perhaps be made to allow any database which uses a commercial DBMS to be displayed as a hypertext view. We ...

In the world of data analysis, advanced SQL techniques are essential for extracting valuable insights from complex datasets. This comprehensive guide by Chandoo delves into these powerful techniques, ...

With most Excel spreadsheets, you enter data manually into cells and then use formulas or other functions to analyze it or perform calculations. If you have a large data source, such as an Access ...

Determine when to use stored procedures vs. SQL in the code Your email has been sent Tony Patton discusses the merits of stored procedures versus placing SQL directly in the code. Find out which one ...

Sometimes, you need to store more complex data in your app than just simple key/value pairs saved with a text file or Shared Preferences. Databases are ideal for storing complex data structures and ...

The whole world has fallen in love with the value that data can bring. The work that must be done to unlock that value is far less popular. As Thomas Edison said, "Opportunity is missed by most people ...

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 ...