SQL Server Articles


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Techniques to Monitor SQL Server memory usage

Memory has a dramatic impact on SQL Server Performance. Fortunately, in SQL Server you can either use DMVs, , Extended Events, sp_server_diagnostics system procedure or SQL Profiler to server memory usage and track down root cause of SQL Server memory bottlenecks. In this article, I will provide you high-level overview of these memory-related tools. Dynamic […]

TroubleShooting SQL Server Memory Consumption

Recently on one of our staging servers had a memory consumption issue and even 32 GB of RAM was looking insufficient and application performance was being impaired. Initially I thought the cause would be poorly designed queries, but after a thorough investigation this turned out not to be the case. I noticed that whenever the […]

Tuning your SQL Query – Generating a Proper Execution Plan.

Recently one of my developers came to and complained of slow performance on a particular query. During the investigation I noticed that the primary cause was the poor query execution plan. In this article, I will discuss the approach which I used to improve the execution plan. For demonstration purpose, I will be creating a […]

Tips For Minimizing Deadlocks in SQL Server

A deadlock or fatal embrace is a situation which occurs when the a process is waiting for the resource that is locked by a second process and that second process is waiting for a resource that is locked by the first process. In this article, we will learn about ways to minimise deadlocks. Tips for […]

Product Review: dbForge SQL Complete

Introduction If you are an intensive T-SQL writer, you might need an additional help As a T-SQL developer, one of the major obstacles that you will come across is determining the columns names for relevant tables. One of the major features, among many other valuable features, that this tool is equipped with is, finding the […]

SQL Server Hardware Optimization

An important concern in optimizing the hardware platform is hardware components that restrict performance, known as bottlenecks. Quite often, the problem isn’t correcting performance bottlenecks as much as it is identifying them in the first place. Start with obtaining a performance baseline. You monitor the server over time so that you can determine Server average […]

Monitoring Table Size Growth in SQL Server

General In this article I introduce a simple process that saves tables size information at points in time which latter allows for tracking down table growth over time. The process is useful in monitoring data growth over time and lets you see what tables are growing rapidly in what databases and can also help in […]

SQL Server Logical Reads – What do they really tell us?

SQL Server trace, the most common tool DBAs use to evaluate query performance, provides the ‘logical reads’ counter on which many DBAs rely for evaluating a query’s I/O performance. In this article, we will examine this counter’s true meaning and provide examples that prove it can sometimes be quite misleading… I am sure you have […]

Primer on Selecting Data Using Entity Framework

This question about selecting data using Entity Framework on StackOverflow got me thinking that a lot of LINQ to Entities code samples show very little consistency in how data is selected. Find(), Single(), SingleOrDefault(), First(), and FirstOrDefault() are often used interchangeably. The first issue to address is using Where() in the data selection statement. Where() […]

Product Review: SQL Database Repair Software

  Introduction Though many SQL Administrators have found the SQL Database Repair software as one of the most competitive database repair and recovery tools, yet I thought of trying the software on my own. Let me explain you why?     Installation & configuration Installation is very simple with couple of steps. No special configurations […]