Tag: XQuery
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intersection in XQuery
A recent and rather simple question.I have two sequences, let's say 1,2,3 and 2,3,4 and I need to get the items that exist in both, in this case 2,3One could think to use the... -
Accessing LDAP directory services through XQuery
As you know by now, DataDirect XQuery provides an easy and efficient way to aggregate data available in a variety of data sources and formats, like Relational Databases, XML... -
Web Services and Data Integration webinar replay
If you missed Minollo's live performance a few weeks ago, you can get the archived version now.The recording contains code demos for,- Using XML to create logical views of a variety of...
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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... -
XQuery for the SQL programmer – The Data Model
In this second post of the XQuery for the SQL programmer series we’ll explain how to represent relational tables in XML and query them through XQuery.SQL/XML mappingThe... -
Can a SQL dog learn a new trick?
Ok, I admit it. I'm a relational guy. SQL is my language of choice - the old standby that does it all, why would I need more?!?
Another tool in my toolbox you say? Something for when SQL is not enough or I want to do more? The world isn't all rows and columns you say? Hmm.....I do like...
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XQuery for the SQL programmer – Introduction
At DataDirect we often get XQuery coding questions from SQL programmers. It can probably be explained by two main reasons. First there are many developers with a SQL background, not surprising they are looking for some analogy with SQL during their first XQuery steps. Second, with...
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