Tag: SQL
XQuery for the SQL programmer – And performance?
In this last post of the XQuery for the SQL programmer series, I would like to spend a few minutes on performance. The...
XQuery for the SQL programmer – Why XQuery?
Over the last month, wearing our SQL-glasses we mastered the basics of XQuery. But wait... what we’ve learned up to now in the XQuery for the SQL programmer series is about “do in XQuery what you can do in...
XQuery for the SQL Programmer - Grouping and aggregation
Today's topic in the XQuery for the SQL programmer series is grouping.
Where grouping is built-in the SQL language, this is unfortunately a bit less trivial in XQuery. Let's start with a simple example,...
XQuery for the SQL Programmer - Operators, functions and conditions
This is our fourth post in the XQuery for the SQL programmer series. Today we'll have a closer look at the SQL functions, operators, and conditions used in where clauses. And of course we'll explain how to...
XQuery for the SQL programmer – Joining Data
Often you join multiple table in SQL queries. What about XQuery, how can we perform joins in XQuery? This is what this third post in the XQuery for the SQL programmer series is all about.A first...
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