Απρίλιος 2012 - Δημοσιεύσεις
I have been looking into ASP.Net MVC 4.0 lately and I thought it would be a nice idea to create a small ASP.Net MVC 4.0 application and write a post about it. So this is going to be a rather long post that will show you with a hands-on example how to...(
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In this post I would like to explain you with a hands-on example the importance of filegroups in Sql Server databases. This is not a post that experienced/advnanced DBAS/developers should read. The target audience is beginners (Level 100). Most beginners
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In this rather short post I would like to provide you with a hands-on example on SPARSE columns. Sparse columns are very useful when we have tables and columns with many zero and NULL values.This feature was introduced in SQL Server 2008.We have a better
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This is going to be a rather short post. I have been teaching the Official Microsoft SQL Server courses in my capacity as MCT and to be totally honest with you I enjoy it very much.One of my favorite subject is Backup & Restore. This is maybe the
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In this post I would like to show you what happens when we issue ROLLBACK operations in nested transactions. Have a look in this post of mine to find out more information about transactions.A lot of people are confused on how a Rollbackstatement impacts
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In this post I would like to show you a fairly simple example on how to use Log4Net logging service to log information in a text file.You can log information to a text file,a database table or Windows event viewer using the Log4Net logging assembly.This...(
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In this post I would like to talk about DENY and GRANT security permissions. I will provide some examples that will demonstrate that DENY takes precedence over GRANT but there are some special cases. We use DENY and GRANT T-Sql commands to give permissions
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I have been involved with an ASP.Net project recently and I have implemented it using the awesome DevExpress ASP.Net controls. In this post I will show you how to bind an XPODataSource control to an ASPxGridView control. If you want to implement this...(
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In this post I would like to show you with a hands-on example why it is a bad idea to have duplicate indexes on SQL Server tables. Some people believe that having duplicate indexes will improve the performance. There will be no performance gain for SELECT
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I have been involved in a ASP.Net project recently and I have implemented it using the awesome DevExpress ASP.Net controls. In this post I would like to show you how to use the client-side events that can make the user experience of your web application...(
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I have been involved with a ASP.Net project recently and I have implemented it using the awesome DevExpress ASP.Net controls. Parts of the project involved binding data from custom objects, SqlDataSource & ObjectDataSource data sources to the ASPxGridView...(
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I have been involved with a ASP.Net project recently and I have implemented using the awesome DevExpress ASP.Net controls. In this post I will show you how to implement Master-Detail functionality using the ASPxGridView control. If you want to implement...(
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Recently I had to implement a web application for a client of mine using ASP.Net.I used the DevExpress ASP.Net controls and I would like to present you with some hands-on examples on how to use these ASP.Net controls. In this very first post I will explore...(
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I have been teaching SQL Server recently in my capacity as MCT and to be totally honest with you I enjoy it very much.The topic that kept popping up all the time was indexes and how to use indexes to achieve high performance in SQL Server .Indexes is
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I have been teaching in the past few weeks many people on how to use Entity Framework. I have decided to provide some of the samples I am using in my classes. First let’s try to define what EF is and why it is going to help us to create easily data-centric...(
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