Additional Articles


External Article

Showplan Operator of the Week – BookMark/Key Lookup

Fabiano continues in his mission to describe the major Showplan Operators used by SQL Server's Query Optimiser. This week he meets a star, the Key Lookup, a stalwart performer, but most famous for its role in ill-performing queries where an index does not 'cover' the data required to execute the query. If you understand why, and in what circumstances, key lookups are slow, it helps greatly with optimising query performance.

2010-05-25

2,537 reads

Technical Article

Analyzing I/O Characteristics and Sizing Storage Systems for SQL Server Database Applications

Understanding how to analyze the characteristics of I/O patterns in the Microsoft® SQL Server® data management software and how they relate to a physical storage configuration is useful in determining deployment requirements for any given workload. A well-performing I/O subsystem is a critical component of any SQL Server application. I/O subsystems should be sized in the same manner as other hardware components such as memory and CPU. As workloads increase it is common to increase the number of CPUs and increase the amount of memory. Increasing disk resources is often necessary to achieve the right performance, even if there is already enough capacity to hold the data.

★ ★ ★ ★ ★ ★ ★ ★ ★ ★

You rated this post out of 5. Change rating

2010-05-24

2,944 reads

Technical Article

Precompiling LINQ Queries

Did you know that by precompiling LINQ queries you might actually be degrading your app’s performance if you’re not careful? Julie Lerman explains how to ensure you’re not re-precompiling queries each time and losing the expected performance benefits across post-backs, short-lived service operations and other code where critical instances are going out of scope.

★ ★ ★ ★ ★ ★ ★ ★ ★ ★

You rated this post out of 5. Change rating

2010-05-18

2,242 reads

Blogs

How to Measure AI Value: A 6-Branch AI Maturity Model for Use Cases and Agents

By

Your AI is busy. But do you know what it's worth? Most companies can...

Speeding Up Patching – Beyond Patch Delivery

By

I wear many hats in technology, and one of those is as a (cyber)security...

Monday Monitor Tips: Query Recommendations

By

We keep adding stuff to Redgate Monitor, and it’s easy to miss some of...

Read the latest Blogs

Forums

Alamat BCA KCP Raden Saleh +62 838-4945-0961

By Halo_BCA

Wa:083849450961 Jl. Raden Saleh Raya No.17A No. 13, 15, RT.1/RW.2, Kenari, Kec. Senen, Kota...

Azure SQL Hyperscale Unveiled

By Site Owners

Comments posted to this topic are about the item Azure SQL Hyperscale Unveiled

What is the worst part about existing monitoring solutions?

By Evgenii Vaniukov

Hi. What is the most difficult aspect of using monitoring software like idera, redgate,...

Visit the forum

Question of the Day

SQL Server Vector Support I

What are vectors in SQL Server 2025, as related to the new AI features?

See possible answers