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Content with tag Performance Rss

<< Newer    Items 21 to 40 of 102    Older >>

Performance Dashboard Error: Could not find stored procedure

In this article, you will learn how to troubleshoot error when you try to launch the main Dashboard Report.  Read more...
Rating: |  Discuss |   Briefcase | 790 reads

Performance Surprises and Assumptions : GROUP BY vs. DISTINCT

Aaron Bertrand acknowledges that DISTINCT and GROUP BY are usually interchangeable, but shows there are cases where one performs better than the other.  Read more...
By Additional Articles 2017/02/23 | Source: SimpleTalk | Category: performance
Rating: (not yet rated)  Rate this |   Briefcase | 8,235 reads

SQL Server vs SQL Server v.Next

An introduction to the basics of current SQL Server vs v.Next Performance Testing.  Read more...
By Henrico Bekker 2017/02/15 | Source: SQLServerCentral.com | Category: vnext
Rating: |  Discuss |   Briefcase | 2,158 reads

Compression and its Effects on Performance

Erin Stellato takes a look at the new COMPRESS and DECOMPRESS functions, comparing their impact on space and performance to traditional data compression.  Read more...
By Additional Articles 2017/02/15 | Source: SQLPerformance.com | Category: compression
Rating: (not yet rated)  Rate this |   Briefcase | 6,217 reads

How Incorrect SQL Server Table Statistic Estimates Can Cause Slow Query Execution

Ben Snaidero explains that if you are updating your SQL Server table statistics nightly, but still seeing occasional poor performance with some of the queries being executed against my database, statistics could be the issue.  Read more...
By Additional Articles 2017/02/09 | Source: MSSQLTips.com | Category: performance
Rating: (not yet rated)  Rate this |   Briefcase | 3,945 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 2017/02/03 (first published: 2013/10/28) | Source: SQLServerCentral.com | Category: merge
Rating: |  Discuss |   Briefcase | 37,179 reads

Disconnecting SQL Server connections after query execution

One way to improve SQL Server performance is to use as few resources as possible. In this post Rahul Mehta demonstrates how you can do this by disconnecting queries post-execution with a simple change in SSMS.  Read more...
By Additional Articles 2016/12/21 | Source: MSSQLTips.com | Category: performance
Rating: (not yet rated)  Rate this |   Briefcase | 5,459 reads

Query Performance comparison between instances

Execute at source, and will generate an output with TSQL commands to create temp tables filled with top 50 long lasting queries from all databases. Then execute output at destination and will do the same and show comparison of matching queries!!   Read more...
By Rodrigo Acosta 2016/12/19 | Source: SQLServerCentral.com | Category: query
Rating: |  Discuss |   Briefcase | 636 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 2016/12/19 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 346 reads

5 Advantages of Load Balancing For IT Companies

As an IT company, it is crucial that you maintain uptime and monitor the performance of various processes. By making database load balancing a key element, you can ensure that your processes and websites run smoothly. Tony Branson explains.  Read more...
By Additional Articles 2016/11/24 | Source: Database Journal | Category: performance
Rating: (not yet rated)  Rate this |   Briefcase | 5,565 reads

What's Your Backup Speed?

This week Steve Jones has a bit of a competition. Share with him how fast you can back up a 1TB database.  Read more...
By Steve Jones 2016/11/04 | Source: SQLServerCentral.com | Category: editorial
Rating: (not yet rated) |  Discuss |   Briefcase | 87 reads

Server Hardware or Coffee?

Today Steve Jones looks at the relative cost of hardware and how we sometimes cause ourselves issues by not spending enough.  Read more...
By Steve Jones 2016/11/03 | Source: SQLServerCentral.com | Category: editorial
Rating: (not yet rated) |  Discuss |   Briefcase | 79 reads

Introducing the Set-based Loop

Set-based programming doesn’t mean “no loops” or a single statement. Finding out the best ways to traverse a full hierarchy.  Read more...
By Luis Cazares 2016/10/07 (first published: 2015/07/27) | Source: SQLServerCentral.com | Category: set-based loop
Rating: |  Discuss |   Briefcase | 18,096 reads

Report overlapping jobs

This script reports jobs which are running when another job is also running. This could be a reason for performance degradations.  Read more...
By Wilfred van Dijk 2016/07/29 | Source: SQLServerCentral.com | Category: sqlagent
Rating: |  Discuss |   Briefcase | 1,986 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 2016/07/08 (first published: 2014/06/16) | Source: SQLServerCentral.com | Category: indexing
Rating: |  Discuss |   Briefcase | 12,549 reads

A Comparison of JDBC Drivers for MySQL

A brief comparison of three different JDBC Drivers built for connecting with MySQL  Read more...
By Jerod Johnson 2016/05/19 | Source: SQLServerCentral.com | Category: jdbc
Rating: |  Discuss |   Briefcase | 858 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 2016/05/13 (first published: 2014/03/04) | Source: SQLServerCentral.com | Category: execution plans
Rating: |  Discuss |   Briefcase | 13,916 reads

Performance Surprises and Assumptions : DATEADD()

Aaron Bertrand explores yet another scenario where a date/time function seems to cause the optimizer to behave unexpectedly.  Read more...
By Additional Articles 2016/05/12 | Source: SQLPerformance.com | Category: dateadd
Rating: (not yet rated)  Rate this |   Briefcase | 4,747 reads

GUI Enhancement on Instant File Initialization (IFI) in SQL Server 201

Ability to enable Instant File Initialization during the installation of SQL Server 2016.  Read more...
Rating: |  Discuss |   Briefcase | 1,150 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 2016/04/22 (first published: 2014/03/24) | Source: SQLServerCentral.com | Category: sql server 2012
Rating: |  Discuss |   Briefcase | 13,751 reads
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