Other News

Community

Functions in the GROUP BY

You may encounter situations where you would like to include a function in a GROUP BY statement. For example, let’s say that you have a database with tables that have TIMESTAMP columns. A number of summary reports are produced against these tables, but at the DATE level as opposed to the TIMESTAMP l

Community

A survey of XML standards: Part 4

(Uche Ogbuji) The world of XML is vast and growing, with a huge variety of standards and technologies that interact in complex ways. It can be difficult for beginners to navigate the most important aspects of XML, and for users to keep track of new entries and changes in the space. XML is a basic sy