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Headlines today   May 27, 2015

Stairway to Advanced T-SQL Level 5: Turning Data On Its Side Using PIVOT Operator

The PIVOT operator was added to the Transact-SQL language in SQL Server 2005. It allows you to turn your row data on its side, so it can be presented as column data. This is useful when you want take unique column values and have them displayed as column headings, where the column headings are associated with summarized values displayed below each column heading. In this article I will be exploring how to use the PIVOT operator.   Read more...
By Gregory Larsen 2015/05/27 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 3,849 reads

Free eBook: Troubleshooting SQL Server: A Guide for the Accidental DBA

Three SQL Server MVPs (Jonathan Kehayias, Ted Krueger and Gail Shaw) provide fascinating insight into the most common SQL Server problems, why they occur, and how they can be diagnosed using tools such as Performance Monitor, Dynamic Management Views and server-side tracing. The focus is on practical solutions for removing root causes of these problems, rather than "papering over the cracks".  Read more...
By Press Release 2015/05/27 (first published: 2013/08/07) | Source: Redgate | Category: troubleshooting
Rating:  Rate this |   Briefcase | 55,413 reads

Using the T-SQL PERCENTILE Analytic Functions in SQL Server 2000, 2005 and 2008

Percentiles give meaning to measurements by telling you the percentage of the population being measured who get higher or lower values. They are now easier to calculate in SQL, and are useful for reporting; but are the new analytic functions faster and more efficient than the older methods? Dwain Camps demonstrates, and investigates their relative performance.   Read more...
By Additional Articles 2015/05/27 | Source: SimpleTalk | Category: percent_rank
Rating: (not yet rated)  Rate this |   Briefcase | 2,306 reads
Previous headlines

Storing a Binary File in a Database

In this article you will see how to convert a file to a binary stream and insert it into SQL Server with SQLCLR.  Read more...
By Eric Notheisen 2015/05/26 | Source: SQLServerCentral.com | Category: binary conversion
Rating: |  Discuss |   Briefcase | 5,239 reads

Webinar: How to safely manage application and database changes with continuous delivery

Join Brian A. Randell, Grant Fritchey and Steve Jones in this panel discussion to hear tips, ideas and share your questions on managing application and database deployments with continuous delivery. This Free webinar will be on May 27th at 4PM BST, register while space is available.  Read more...
By Press Release 2015/05/26 (first published: 2015/05/21) | Source: Redgate | Category: events
Rating: (not yet rated)  Rate this |   Briefcase | 7,024 reads

Take our SQLServerCentral Users Survey

Each year SQLServerCentral runs a survey to get some insight into what who our readers are, what they like about the site, and what can be improved. Please take a few minutes to complete this survey by June 12 and get the opportunity to win one of three $50 Amazon vouchers.  Read more...
By Press Release 2015/05/26 | Source: SQLServerCentral.com | Category: survey
Rating: (not yet rated)  Rate this |   Briefcase | 2,853 reads

SQL Monitor Custom metric: Average I/O stalls

This is a good general indicator of performance problems. High stall times indicate I/O problems, which can be attributed to busy physical disks or queries that return large data sets to the client.  Read more...
By Press Release 2015/05/26 | Source: Redgate | Category: sql monitor
Rating: (not yet rated)  Rate this |   Briefcase | 2,577 reads

The Cascading (CROSS) APPLY

An old trick nowadays but one which is still underused here on SSC is the cascading CROSS APPLY – where output from one CROSS APPLY is used as input for another.  Read more...
By Chris Morris 2015/05/25 (first published: 2013/04/16) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 18,243 reads

Optimizing Batch Process in SQL Server

SQL Server batch processes are usually run from SQL Agent in the background. Often, the responsibility for creating these tasks belongs entirely to the developer. Dennes Torres demonstrates that DBAs can advise and assist with this type of batch job to help reduce their impact on the working system.  Read more...
By Additional Articles 2015/05/25 | Source: SimpleTalk | Category: batch processing
Rating: (not yet rated)  Rate this |   Briefcase | 3,986 reads

Big Data for SQL folks: The Technologies (Part I)

Will RDBMs be obsolete? Should Data Professionals care about Big Data technologies? What is NoSQL? What is Hadoop? Big Data-the whole story.  Read more...
By Frank A. Banin 2015/05/22 (first published: 2013/06/26) | Source: SQLServerCentral.com | Category: big data
Rating: |  Discuss |   Briefcase | 20,459 reads
 
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From the SQLServerCentral Blogs

SQL Agent Job Wrapper Part 2 – Adding Error Generation to the Cmdlet

Last week I posted Creating a SQL Agent Job Wrapper with PowerShell and SMO. In that post I created a...  Read more...
By cjsommer 2015/05/27 | Source: SQLServerCentral Blogs | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 1,574 reads
Question of the Day

Arithmetic Operation Results

By Remberto Caro 2015/05/27 | Category: t-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 1,018 reads

What is the result of the following query? (Choose one) :

select 100/(108/100)   Read more...
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