Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Dany Lepage discusses the architectural ...

The DVAR function in Microsoft Excel is a database function, and its purpose is to estimate the variance of a population based on a sample from selected database entries. The formula for the DVAR ...

The DGET function in Excel is a Database function that extracts from a database a single record that matches the specified criteria. The formula for the DGET function ...

The rate at which data is acquired frequently outstrips the capacity of the human mind to house it. Instead, we mine it. The ability to electronically cull the majority of mankind's knowledge of the ...

Learn how to access a MySQL database from the Web using PHP, including how to read from and write to the database and how to filter potentially troublesome input data. Previously, in our work with PHP ...