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Content with tag Performance Tuning Rss

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Indexed Views

This article will show you the importance of Indexed Views and how they can help performance.  Read more...
By Sarvesh Singh 2013/05/10 (first published: 2010/11/16) | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 24,196 reads

QUERY and TABLE HINTS

By Steven Neumersky 2013/04/29 | Category: t-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 2,084 reads

A Check and Foreign Key Constraint Improves Query Performance

Check and foreign key constraint do not degrade performance but actually improve it.  Read more...
By Sarvesh Singh 2013/04/26 (first published: 2010/10/21) | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 23,678 reads

Implicit Conversions and Avoiding Them With Computed Columns

I recently encountered an interesting performance issue (due to implicit conversions) that I was able to solve using a lesser known...  Read more...
By John Sansom 2013/04/02 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 3,643 reads

Sub query pass through

Occasionally in forums and on client sites I see conditional subqueries in statements. This is where the developer has decided...  Read more...
By Dave Ballantyne 2013/03/26 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 3,419 reads

SQLServerCentral Runs sp_Blitz - Performance Part 2

The second part of our performance examination on the SQLServerCentral database servers using the sp_Blitz script from Brent Ozar, PLF.  Read more...
By Steve Jones 2013/03/21 | Source: SQLServerCentral.com | Category: sqlservercentral
Rating: |  Discuss |   Briefcase | 6,711 reads

An Orders of Magnitude Problem (T-SQL Tuning)

When a query suddenly starts taking much longer, what do you do? This story from Jerry   Read more...
By Jerry_Manioci 2013/03/13 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 6,799 reads

Benchmark SQL Server Disk Latency

Typically, I am a big advocate of performance monitor but one place I commonly see performance monitor being misused is with benchmarking...  Read more...
By jsterrett 2013/03/06 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 3,902 reads

Running SQLIO with Multiple Files

Not exactly groundbreaking information, but were you aware that you can run SQLIO with multiple files?  Until a couple months...  Read more...
By StrateSQL 2013/02/21 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 2,327 reads

SQL Server Performance Tuning – Index Tuning

In earlier installments of this series we looked at T-SQL Performance optimizations along with different T-SQL practices, we can now turn our attention to the second part of this series which is index Tuning  Read more...
By Additional Articles 2013/01/30 | Source: SQL Server Performance | Category: indexing
Rating:  Rate this |   Briefcase | 5,071 reads

SQLServerCentral Runs sp_Blitz - Performance Part 1

The third article that examines the output of the sp_Blitz script&trade; run against SQLServerCentral's database servers.  Read more...
By Steve Jones 2013/01/22 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 8,806 reads

SQL Server T-SQL Tuning – NOT IN and NOT Exists

Following on from the previous TSQL performance tuning article in this series, we now focus on the important topic of T-SQL “Not IN” And “Not Exists “  Read more...
By Additional Articles 2013/01/16 | Source: SQL Server Performance | Category: t-sql
Rating:  Rate this |   Briefcase | 7,161 reads

SQL Server T-SQL Tuning -TVF and Scalar Functions

A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU  Read more...
By Additional Articles 2013/01/10 | Source: SQL Server Performance | Category: t-sql
Rating:  Rate this |   Briefcase | 4,001 reads

The Ultimate Missing Index Finder

Reports stats on what the query optimizer records in the DMVs as missing indexes and what it says the cost savings will be if they were present. Can limit by table / schema name patterns.  Read more...
By Jesse Roberge 2013/01/07 | Source: SQLServerCentral.com | Category: indexing
Rating: |  Discuss |   Briefcase | 19,113 reads

How Come the Hourglass? Why Database Applications Slow Down

It is frustrating when you hit 'submit' and you get the hourglass big-time. Is it the database to blame? It could be, but there are other suspects that should be considered. Feodor Georgiev describes where, in the long route, to and fro', that a data request makes before returning, that things can get snarled up.  Read more...
By Additional Articles 2013/01/07 | Source: SimpleTalk | Category: performance tuning
Rating:  Rate this |   Briefcase | 4,692 reads

The Ultimate Index Usage Reporter

Reports index stats, index size+rows, member seek + include columns as two comma separated output columns, and index usage stats for one or more tables and/or schemas.  Read more...
By Jesse Roberge 2012/12/27 | Source: SQLServerCentral.com | Category: indexing
Rating: |  Discuss |   Briefcase | 7,649 reads

SQLServerCentral Best Practices Clinic: Part 1

We exposed the SQLServerCentral cluster for monitoring with SQL Monitor. Just like other companies, we have constraints on resources, and we have more work that needs to be done. Help us configure SQLServerCentral’s database servers with your suggestions on what is the highest priority for a website database back end.  Read more...
By Brad McGehee 2012/12/25 (first published: 2011/03/07) | Source: SQLServerCentral.com | Category: sqlservercentral
Rating: |  Discuss |   Briefcase | 22,700 reads

Performance Tuning Re-indexing and Update Statistics – A Case Study

Recently we started experiencing a very strange issue in our production reporting environment where the Re-indexing and Update Statistics operation suddenly began taking more than 2 days to complete and was thus causing blockage in the database which in turn caused impairment in application performance.  Read more...
Rating:  Rate this |   Briefcase | 5,752 reads

Viewing VMware Counters in PerfMon for SQL Server

I want to ensure that my SQL Server on a VMware Guest OS is getting the resources it should. This would go a long way towards helping isolate the performance problems we're experiencing. However, our system administrators won't give us access to VirtualCenter or any of the tools they use. Is there anything I can do? Check out this tip to learn more.  Read more...
By Additional Articles 2012/11/12 | Source: MSSQLTips.com | Category: performance tuning
Rating: (not yet rated)  Rate this |   Briefcase | 3,141 reads

Top 14 KPI

Get the 14 most used Key Performance Indicators  Read more...
By Monte Kottman 2015/09/22 | Source: SQLServerCentral.com | Category: kpi
Rating: |  Discuss |   Briefcase | 4,374 reads
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