Write Ahead Blog

rushi desai | developer | zune service

  • Write Ahead Blog

    Desktop uprade wishlist

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    My PC may be only one and half years old, but I've already started feeling the urge to upgrade it. After starting most common applications, I find myself hitting that 384MB physical memory limit. And when I hear my hard disk clatter as I open files, I...
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    Cω programming language and database/XML applications

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    I found this article on MSDN about a new programming language called Cω (C-omega) that was quite interesting. It is a language created by Microsoft Research that looks a lot like C# but has new constructs that help programmers to access and process XML...
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    Routing Service Broker conversations (Part 2)

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    In a previous post , I described the basic routing architecture of Service Broker. What I did not describe was a special facility that allows you to exploit external mechanisms for finding routes. For example, an enterprise may use Active Directory or...
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    Broker in SQL Server Express

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    I have been asked more than once if SQL Server Express has the Service Broker feature and if there are any limitations on the use. SQL Server 2005 Express Edition is a version of SQL Server 2005 that is available for free (strategically being released...
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    Routing Service Broker conversations (Part 1)

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    To allow conversations across SQL Server instances, Service Broker provides a binary adjacent transport protocol. Brokers can communicate directly from initiating service to target service or use multiple intermediate forwarding brokers. In order to identify...
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    Stumbling into cross-threading issues with winforms

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    Having very little prior UI programming experience, I ventured into writing an instant messenger application (using SQL Service Broker of course). After doodling around with VC# and generously lock ing shared data structures, I thought I had got it right...
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    Download and try the InfoPathBroker sample

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    Following up on my previous article , I decided to provide a sample that people could try for building InfoPath interfaces to SQL Service Broker applications. The sample is a simple expense report form being submitted to backend HR broker service. You...
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    Activating queue reader processes on demand

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    In a previous post, I talked about internal activation . But it may not always be feasible to write Service Broker programs as stored procedures. For example, the service program may take a long time to process a message or might require to make a call...
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    Integrating InfoPath with SQL Server 2005

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    I discovered InfoPath only a few months ago and started wondering how it could be used in enterprise offices. InfoPath does a great job of building forms for publishing XML data quickly. It not only makes the task of building CRUD ( create/retrieve/update...
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    SQLOS

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    One of the privileges of being in the SQL Server Engine team is that we have our own operating system abstraction layer that provides virtual memory management, scheduling, synchronization, resource monitoring, exception handling and several other things...
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    Using <font face="courier" color="navy">Microsoft.SqlServer.Broker</font> class library for writing .NET service programs

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    Service Broker programs may be written as stand-alone applications that establish a connection with SQL Server or as stored procs that are activated internally . You can leverage the .NET platform in both scenarios since SQL Server 2005 integrates CLR...
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    Comparing Service Broker with other messaging technologies

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    An often asked question about SQL Service Broker is how it compares with other products offered by Microsoft such as MSMQ, BizTalk server, WSE and its successor Indigo. So I thought I’ll take a shot at answering this politically provocative question...
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    Activating stored procedures asynchronously

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    I was tempted to post a HelloWorld sample for Service Broker, but since Roger Wolter's article already provides that, I decided to avoid the redundancy. Instead I shall describe how to setup async execution using Service Broker's activation mechanism...
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    Learning Windows Internals

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    Coming straight out of the UNIX-dominated academic world, I realized that I have negligible knowledge of the Windows system architecture and kernel. Systems courses taught in most schools only use the UNIX-platform. So I have no idea what the windows...
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    What is Service Broker?

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    A number of large database applications require asynchronous and distributed execution. Most loosely-coupled distributed systems provide scale out and resilience by queuing operations. Queues are used extensively in applications such as order entry systems...
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    Introduction

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    I finally figured out how to get one of these .Text blogs setup on the http://blogs.msdn.com website. It was tricky to tweak the CSS in order to make it look and feel like my homepage . But finally the "Write Ahead Blog" is alive. I joined Microsoft just...
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