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June 2005 - Posts

Wednesday, June 22, 2005 8:46 PM

Effects of the type substitution mechanism on static typing (part II)

In this follow-up to last week’s post I’d like to look at more examples, in particular those involving the use of wildcards in XPath expressions. Let’s look at the following schema CREATE XML SCHEMA COLLECTION myCollection AS ' <schema xmlns=" http://www.w3.org/2001/XMLSchema
Posted by denisruc | 1 Comments
Friday, June 17, 2005 1:05 PM

New blog by a SQL Server 2005 tester.

My fellow SDET Galex has started his own blog . If you're interested in the new XML functionality provided in SQL Server 2005 this is another great place to get some valuable information. Galex is our a resident expert on simple types (a feature which
Posted by denisruc | 0 Comments
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Thursday, June 16, 2005 8:12 PM

Effects of the type substitution mechanism on static typing (part I)

The XML schema specs define a mechanism that allows for the use of derived types in instance documents. In short, if a schema contains an element ‘E’ of type ‘T’, and if there is a type ‘T1’ derived from ‘T’ then we can set the type of any instance of
Posted by denisruc | 3 Comments
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Wednesday, June 15, 2005 1:40 PM

For more info on XQuery singleton issues

My fellow SDET John Gallardo has written this follow up to the post I wrote yesterday about singleton errors. John digs a bit deeper, and addresses performance issues. He also goes over the use of the DOCUMENT property and its effects on static typing.
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Tuesday, June 14, 2005 4:03 PM

Single node required

This is one of the most common static typing errors you’re likely to encounter. Somewhere in your XQuery a single node is expected but the static type of the expression you wrote indicates that it can possibly return multiple nodes. For example, let’s
Posted by denisruc | 4 Comments
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Monday, June 13, 2005 7:07 PM

An introduction to static typing.

XQuery in SQL Server 2005 is a statically typed language. This means type errors may be raised during query compilation when an expression returns a value that has a type or cardinality that is not accepted by a particular function or operator. In short,
Posted by denisruc | 6 Comments
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Monday, June 13, 2005 5:27 PM

Welcome

Welcome to my newly created blog. My name is Denis Ruckebusch. I've been part of the test organization at Microsoft for the past 6 years. I spent the last 4 working on the new XML datatype feature in SQL Server 2005. My main area of focus is typed XML.
Posted by denisruc | 0 Comments
 
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