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.NET 2.0 transaction model

The Microsoft .NET 2.0 platform introduces a new namespace called System.Transactions that brings in a lightweight, simplified transaction model. This article discusses the shortcomings of current transaction models and introduces System.Transactions for .NET Framework 2.0 beta 2.

Currently there are two transaction models available in the .NET world, both of which are suited for certain situations. The first is part of the rich ADO.NET data providers. The second is the enterprise services transaction. Before we examine System.Transactions, let’s have a look at the current models.

Technical Article

Meta-Data Trends & Technologies

The term “Enterprise Metadata Management” has been in use since the late 1980’s when many of us worked in classic “mainframe environments” using “corporate data dictionaries” to manage our COBOL programs, Job Control Language (JCL), screens, reports, copybooks, and database schema definitions. Fast-forward to 2005 ~ has anything changed? What does “enterprise metadata management” mean today ? I recently surveyed a number of leading metadata management vendors, Global 5000 companies, and industry thought-leaders seeking their input.

SQLServerCentral Article

Another DBA Whoops

Two in a month? Steve Jones brings us another mistake made by a DBA in SQL Server. Everyone makes them and we may not like to admit to them, everyone that we print hopefully helps a few other SQL Server DBAs avoid that particular mistake. This one looks at the dangers of sorting by aliases.

External Article

Should you use a DataReader or DataSet?

In the beginning, there was the recordset, a central feature of classic ADO. Like a Swiss army knife, it wasn’t the perfect tool for every job, but given the correct configuration, it could do whatever you needed it to do.

The recordset wasn’t always pretty to watch, however, and it came into prominence at a time when client/server applications for which it was optimized were being replaced by web applications. Its dark side included an amazing level of complexity and the number of special cases when it was used with particular providers.

External Article

Database Geek of the Week - Bob Beauchemin

Bob Beauchemin is a developer who not only writes code and develops databases, but also teaches other developers to create applications and databases, often using the latest Microsoft technologies.

Bob has more than 25 years of experience working with IBM mainframes and Unix boxes, as well as Windows-based PCs. He has taught a number of database courses for DevelopMentor, a hands-on training company for experienced developers, and has given instruction on writing .NET web services and creating applications and components using C#.

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Question of the Day

SQL Server, Heaps and Fragmentation

A table without a clustered index (heap) will NOT suffer from fragmentation during frequent updates or deletes. True or False?

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