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Content with tag Performance Tuning Rss

<< Newer    Items 61 to 80 of 544    Older >>
 

Re-compilation and Its effects on Performance

How recompilation does significantly affect on the execution time of SQL query and plummet or degrade the performance?   Read more...
By at yazdani 2012/06/07 | Source: SQLServerCentral.com | Category: stored procedures
Rating: |  Discuss |   Briefcase | 8,096 reads

The Real World: Implementing AWE

Describes the gains experienced in my environment by impleenting AWE.  Read more...
Rating: |  Discuss |   Briefcase | 7,937 reads

Which SELECT * Is Better?

The short answer is, of course, none of them, but testing is the only way to be sure. I was asked,...  Read more...
By 2012/05/11 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 4,372 reads

Performance Test of New Date Manipulation Functions (SQL Spackle)

Performance test of new SQL 2012 functions DateTimeFromParts and Format  Read more...
By Wayne Sheffield 2012/05/10 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 5,902 reads

The Clonesome Database

You need a quiet couple of hours poking about with DMVs, and checking execution plans to get to the bottom of the a query issue, but you can't make a copy the production database either. It's too big, and the data is private....  Read more...
By Phil Factor 2012/03/26 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 197 reads

ROWLOCK Escalation

By Chris Fradenburg 2012/03/19 | Category: table hint
Rating: (not yet rated) |  Discuss |   Briefcase | 2,270 reads

Get Top Queries Taxing SQL Server CPUs

Script which uses SQL Server DMOs to gather top CPU taxing queries which can benifit most from tuning.  Read more...
By Prakash Heda 2012/03/10 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 2,598 reads

View Active Session SQL

This script can be used to view current SQL statements being executed for all or any one SPID.  Read more...
By David Kranes 2014/01/06 | Source: SQLServerCentral.com | Category: administration
Rating: |  Discuss |   Briefcase | 4,136 reads

T-SQL Performance 1

By bitbucket-25253 2012/02/17 | Category: t-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 2,663 reads

What's the Point of Using VARCHAR(n) Anymore?

The arrival of the (MAX) data types in SQL Server 2005 were one of the most popular feature for the database developer. At the time, there was a lot of discussion as to whether this freedom from having to specify string length came at a cost. Rob attempts to give a final answer as to any down-side.  Read more...
By Additional Articles 2012/02/15 | Source: SimpleTalk | Category: t-sql
Rating:  Rate this |   Briefcase | 7,692 reads

Tips to optimize your SQL statements

Don't blame SQL Server if your SQL Statements perform badly! But where do you start to investigate the problem? This article is a primer on were to start looking when your SQL runs slowly.  Read more...
By Brian Ellul 2012/02/10 (first published: 2010/07/29) | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 40,691 reads

Database Performance Transparency

Describes the benefits of publishing instance performance metrics including a script to generate HTML-based Performance Snapshot.  Read more...
By Ron Johnson 2012/02/08 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 6,785 reads

A Computed Column Defined with a User-Defined Function Might Impact Query Performance

A benefit of using computed columns is that they can save developers from having to write calculation logic at the application layer; at the table level, the application can simply reference the computed column. In addition, performance can be improved by persisting a computed column and building an index on it.  Read more...
By Additional Articles 2012/02/03 | Source: SQLCAT | Category: computed columns
Rating:  Rate this |   Briefcase | 2,331 reads

A google like search

A conceptual proof for a google like search procedure  Read more...
By Jean Bulinckx 2012/02/02 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 3,502 reads

RECONFIGURE can flush the procedure cache

I ran across this KB article the other day, which lists a few ways in which performance is affected by...  Read more...
By 2012/01/24 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 1,532 reads

Window Functions in SQL Server: Part 3: Questions of Performance

A SQL expression may look elegant on the page but it is only valuable if its performance is good. Do window functions run quicker than their conventional equivalent code? Fabiano Amorim gives a definitive answer.  Read more...
By Additional Articles 2012/01/17 | Source: SimpleTalk | Category: window functions
Rating:  Rate this |   Briefcase | 3,424 reads

Changes to SQL Server 2012 Execution Plans

I’ve been working with execution plans quite a lot in SQL Server 2012. There are a number of changes, most of them associated with new or different functionality. I had not noticed anything really fundamental until recently. I’ve become a huge proponent of always checking the properties of the SELECT statement. There’s so much useful information in there about what’s happened with the plan generation in the optimizer (not low level stuff, but the big picture items) that you should always be checking it first as a fundamental part of your plan examinations.  Read more...
By Grant Fritchey 2011/12/14 | Source: SQLServerCentral.com | Category: execution plans
Rating: (not yet rated)  Rate this |   Briefcase | 6,049 reads

Finding the Source of Your SQL Server Database I/O

There are a number of ways of measuring and identifying I/O-related performance information for your SQL Server database instances.  Read more...
By Additional Articles 2011/11/22 | Source: Database Journal
Rating: (not yet rated)  Rate this |   Briefcase | 3,408 reads

Performance Monitoring with Dynamic Management Views

In this article, Ron Johnson shows how you can use DMVs for proactive real-time SQL Server performance monitoring.  Read more...
By Ron Johnson 2011/11/17 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 10,849 reads

Maximizing SQL Server Throughput with RSS Tuning

Receive-Side Scaling (RSS) was introduced in Windows 2003 to improve Windows scalability to handle heavy network traffic, which is typically the case for SQL Server OLTP workload. This post helps you get the most out of the feature.  Read more...
By Additional Articles 2011/10/18 | Source: SQLCAT | Category: rss
Rating:  Rate this |   Briefcase | 2,251 reads
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