Click here to monitor SSC
SQLServerCentral is supported by Red Gate Software Ltd.
 
Log in  ::  Register  ::  Not logged in
 
 
 

Articles with tag Performance Rss

Search for any content tagged performance

   Items 1 to 19 of 19   
 

Using DBCC DROPCLEANBUFFERS When Testing Performance

Over the years I've had many discussions with other SQL Server Database Administrators as to whether or not you should have the database buffer pool loaded with data pages or empty when testing queries for performance. This tip will take a look at the effects on query performance for both cases by using the DBCC DROPCLEANBUFFERS statement to empty the buffer pool.  Read more...
By Additional Articles 2014/06/20 | Source: MSSQLTips.com | Category: performance
Rating: (not yet rated)  Rate this |   Briefcase | 7,191 reads

Finding and Eliminating Duplicate or Overlapping Indexes

Duplicate & Overlapping Indexes can be a drag on write speed and disk resources. How do we find and eliminate them quickly and effectively?  Read more...
By Edward Pollack 2014/06/16 | Source: SQLServerCentral.com | Category: indexing
Rating: |  Discuss |   Briefcase | 6,776 reads

Getting the Most out of Statistics

Statistics keep track of our data and will tell SQL Server how to make the best optimization decisions. Knowing how they work can make understanding query and performance problems much easier!  Read more...
By Edward Pollack 2014/06/09 | Source: SQLServerCentral.com | Category: statistics
Rating: |  Discuss |   Briefcase | 4,829 reads

Cursor-Killing: Retrieving Recently Modified Data

Cursors are considered by many to be the bane of good T-SQL. What are the best ways to avoid iterative T-SQL and to write queries that look and perform beautifully? In the next part of an ongoing series, we look at ways to efficiently retrieve recently modified data.  Read more...
By Edward Pollack 2014/06/02 | Source: SQLServerCentral.com | Category: cursor
Rating: |  Discuss |   Briefcase | 6,141 reads

Divide and Conquer - Performance Tuning

Sometimes we need to break down a complex problem into a multiple stage solution to achieve optimal performance  Read more...
By Claire Mora 2014/04/08 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 7,510 reads

Reaping the benefits of the Window functions in T-SQL

Exploring the potential benefits of the T-SQL Window functions (OVER, LAG, and LEAD) in this piece. You can learn how to achieve up to 50% performance boost by replacing a single function call.   Read more...
By Eirikur Eiriksson 2014/03/24 | Source: SQLServerCentral.com | Category: sql server 2012
Rating: |  Discuss |   Briefcase | 8,477 reads

Join Operations – Hash Match

The way in which SQL Server chooses to join your tables in a query can dramatically affect performance. In this article, Jason Brimhall explains how a hash match works and shows some performance numbers.  Read more...
By Jason Brimhall 2014/03/04 | Source: SQLServerCentral.com | Category: execution plans
Rating: |  Discuss |   Briefcase | 8,266 reads

Understanding Graphical Execution Plans - Part 1: Explaining the Plan

Understanding execution plans is a good basic skill for all DBA's and SQL developers. Darren White gives us an overview of what execution plans are in SQL Server and how they are used.  Read more...
By Darren White 2014/02/18 | Source: SQLServerCentral.com | Category: execution plan
Rating: |  Discuss |   Briefcase | 13,121 reads

Performance Tuning Through Panic

We've all been there, trying to improve performance in a panic situation and not making things better.  Read more...
By Steve Jones 2014/02/10 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 299 reads

The Performance of the T-SQL Window Functions

Window Functions in SQL greatly simplify a whole range of financial and statistical aggregations on sets of data. Because there is less SQL on the page, it is easy to assume that the performance is better too: but is it? Dwain gets out the test harness to investigate.  Read more...
By Additional Articles 2014/02/06 | Source: SimpleTalk | Category: t-sql
Rating:  Rate this |   Briefcase | 4,035 reads

The Art of Performance

Tuning a SQL Server instance and improving the way it performs is a complex task that many people struggle to complete. In this piece, Steve Jones talks about the idea that it is a science as much as an art.  Read more...
By Steve Jones 2014/01/13 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 293 reads

Free eBook: 45 Database Performance Tips for Developers

As a developer, if you need to go into the database and write queries, design tables, or determine the configuration of your SQL Server Systems, these tips should help make sure you're not unnecessarily sacrificing database performance. This eBook has 45 easy tips to improve the performance of your indexes and T-SQL queries, and hunt down problems within ORM tools and database design.   Read more...
By Press Release 2014/01/02 (first published: 2013/11/04) | Source: Red-Gate | Category: tips
Rating:  Rate this |   Briefcase | 15,388 reads

Reporting Services Performance and Optimization

This technical note provides guidance for Reporting Services. The focus of this technical note is to optimize your Reporting Services architecture for better performance and higher report execution throughput and user loads.  Read more...
By Additional Articles 2013/12/24 | Source: SQLCAT | Category: reporting services (ssrs)
Rating: (not yet rated)  Rate this |   Briefcase | 3,227 reads

A few reflections on RBAR by a weary application developer

Follow the guidance of your DBA, but remember, he or she is from another land.  Read more...
By George Copeland 2013/12/09 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 6,797 reads

Free eBook: 45 Database Performance Tips for Developers

As a developer, if you need to go into the database and write queries, design tables, or determine the configuration of your SQL Server Systems, these tips should help make sure you're not unnecessarily sacrificing database performance. This eBook has 45 easy tips to improve the performance of your indexes and T-SQL queries, and hunt down problems within ORM tools and database design.   Read more...
By Press Release 2014/01/02 (first published: 2013/11/04) | Source: Red-Gate | Category: tips
Rating:  Rate this |   Briefcase | 15,388 reads

Improving SSIS Update Performance

This article includes an examination of how I improved update performance. We examine four methods of loading data into a data warehouse.  Read more...
Rating: |  Discuss |   Briefcase | 5,869 reads

Performance of the SQL MERGE vs. INSERT/UPDATE

The SQL MERGE statement offers convenience, safety and elegance, but how does it perform compared to other methods?  Read more...
By Dwain Camps 2013/10/28 | Source: SQLServerCentral.com | Category: merge
Rating: |  Discuss |   Briefcase | 16,115 reads

Automating SQL Traces

Capturing the activity on a server when a problem occurs can be a challenge for many DBAs. This article shows how you can automate the capture of information when a CPU spike occurs.  Read more...
By Clark Froebe 2013/05/23 | Source: SQLServerCentral.com | Category: sql trace
Rating: |  Discuss |   Briefcase | 5,226 reads

Better Coding, More Savings

The way we write code impacts our users, but it can also impact our wallet, especially in cloud computing. Steve Jones wonders how many people bother to profile and test their code.  Read more...
By Steve Jones 2013/05/13 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 263 reads
   Items 1 to 19 of 19