beginning expression javascript perl regular expression software engineering computing programming language computer science cross-platform software curly bracket programming languages procedural programming languages scripting languages pattern matching rss web 2.0 world wide web content syndication markup language web syndication atom mindity 2005 database database management systems dummies sql sql 2005 sql server sql server 2005 windows server system microsoft sql server data management databases essential xml xpath markup languages technical communication osi protocols web standards xpath 1.0 storage microsoft visual studio sql server compact query languages user-defined function insert (sql) powershell software architecture user interface shell (computing) command shells command-line interface windows powershell command-line interpreter application programming interfaces xsl transformations document object model document type definition xml certification program transformation languages xml schema (w3c) xml schema language comparison