SQL Server Performance Tuning

SQL Server T-SQL Tuning – NOT IN and NOT Exists

Following on from the previous TSQL performance tuning article in this series, we now focus on the important topic of T-SQL “Not IN” And “Not Exists “ Not in and Not Exists commands : In some circumstances we will need to select/update/delete orphan data – that is data does not exists in the major table […]

WebSite Performance Optimization – Core Concepts

[Note : This was originally published on my personal blog at JudeOKelly.com. However, since the topic is on performance optimization and many SQL Server installations are the backend for a website/webapp I am cross posting this.] When it comes to performance tuning a site, there are a multitude of possible optimizations so I thought it […]

VARCHAR (MAX), NVARCHAR (MAX) and NTEXT Data Types

Despite NTEXT and TEXT being deprecated in SQL Server for some time they are still both used in production systems. In this article, I will briefly demonstrate the difference between a VARCHAR (MAX), NVARCHAR (MAX) and the NTEXT data types, and the impact on performance from using NTEXT/TEXT. Let’s create a table named Student using […]

Using PowerShell to Manage SQL Server

The purpose of this article is to demonstrate a custom scripting framework which enables the management of SQLServer databases from a Windows PowerShell session and also to extend Powershell’s flexibility by creating a set of commands customized to our needs. I will call this framework comprised of a library of modules and functions specialized to manage […]

SQL Server Index Maintenance Performance Tuning for Large Tables

It is nothing really new that indexes have their right to exist in SQL Server. It is also nothing really new, that these indexes need to be maintained every now and then, even though this might be surprising for people who are lulled by the otherwise low maintenance for SQL Server. But if you think […]

Setting up Transactional Replication in SQL Server 2008 R2.

Setting up Transactional Replication in SQL Server 2008 R2. Replication is one of the High Availability features available in SQL Server. Transactional Replication is used when DML or DDL schema changes performed on an object of a database on one server needs to be reflected on the database residing on another server. This change happens […]

Working with IIS using PowerShell

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ASP.NET MVC Routing Tutorial

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Using Full Text Search in SQL Server 2008

Introduction SQL Server 2008 Full-Text Search feature can be used by application developers to execute full-text search queries against character based data residing in  a SQL Server table. To use full text search the developer must create a full-text index for the table against which they want to run full-text search queries. For a particular […]

Light Weight Monitoring using Extended Events

Introduction SQL Server 2008 introduces Extended Events for performance monitoring. SQL Server Extended Events is a general event-handling system for server systems. So  why another event handling system? We already have activity monitor, Perfmon, SQL Profiler, DMVs,. However, Extended Events have several major advantages: 1. Light Weight. This is the primary advantage of  Extended Events. […]

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