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Headlines today   May 29, 2017

Combining R and SQL Server to diagnose performance bottlenecks

Using clustering algorithms to analyse index usage data from SQL Server’s DMVs & simplify complex performance investigations.  Read more...
By Nick Burns 2017/05/29 (first published: 2015/12/07) | Source: SQLServerCentral.com | Category: performance
Rating: |  Discuss |   Briefcase | 8,378 reads

Generating Plots Automatically From PowerShell and SQL Server Using Gnuplot

When you are automating a number of tasks, or performing a batch of tests, you want a way of automating the production of your plots and graphs. Nothing beats a good graphical plot for giving the indications of how the process went. If you are using PowerShell and maybe also SQL Server, it pays to use a command-line plotting tool such as Gnuplot to do all the hard work. It turns out to be handy for a range of data jobs, turning PowerShell into a handy data science tool.  Read more...
By Additional Articles 2017/05/29 | Source: SimpleTalk | Category: powershell
Rating: (not yet rated)  Rate this |   Briefcase | 839 reads

Using striped backups with SQL Clone

If you’re a Redgate SQL Backup customer, occasionally you’ll need to convert your SQL Backup (.sqb) files to the native SQL Server backup format (.bak), perhaps to perform native database restores on a server where SQL Backup isn’t installed. This produces a striped backup, because each thread used when making the backup will produce a separate file. Can we use a striped backup produced in this way, or indeed any striped backup, as the source for a SQL Clone image? Short answer: we can! Let’s see how that works.  Read more...
By Additional Articles 2017/05/29 | Source: Redgate | Category: sql clone
Rating: (not yet rated)  Rate this |   Briefcase | 667 reads
Previous headlines

How to deploy a database plus static data using SQL Compare and SQL Data Compare

This article from Tony Davis describes how to the use the Redgate SQL Compare and SQL Data Compare GUIs to get the current version of a database schema, and its static data, into version control, and then automate database deployments from the version control system using SQL Compare's command line and PowerShell.  Read more...
By Tony Davis 2017/05/26 | Source: Redgate | Category: sql compare
Rating: (not yet rated)  Rate this |   Briefcase | 2,709 reads

Datetime vs. Datetime2

Read a short comparison of datetime and datetime2 types. Learn about their structure, as well as the advantages and disadvantages of each.  Read more...
By Robert Hartmann 2017/05/26 (first published: 2016/01/05) | Source: SQLServerCentral.com | Category: datetime
Rating: |  Discuss |   Briefcase | 13,680 reads

It’s not you, it’s me (I/O troubleshooting)

Monica Rathburn talks about a few of the more common elements she always checks for when troubleshooting I/O problems.  Read more...
By Additional Articles 2017/05/26 | Source: SQLPerformance.com | Category: io performance
Rating: (not yet rated)  Rate this |   Briefcase | 2,005 reads

The OUTPUT Clause for INSERT & DELETE Statements

In this article, I will provide a set of examples to show case the use of OUTPUT clause for INSERT and DELETE statements.  Read more...
By Amarendra Reddy Thummeti 2017/05/25 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,515 reads

Training: Zero to BIML

A four-day course aimed at BI developers who want to use Business Intelligence Markup Language (BIML) to generate SQL Server Integration Services packages.  Read more...
By Andy Leonard 2017/05/25 | Category: training
Rating: (not yet rated)  Rate this |   Briefcase | 2,149 reads

Getting Started with Azure SQL Data Warehouse - Part 4

Azure SQL Data Warehouse is a new enterprise-class, elastic petabyte-scale, data warehouse service. Join Arshad Ali as he discusses round-robin and distributed tables, and how to create them. He also discusses how partitioning works in SQL Data Warehouse and looks at the impact of choosing the right distribution key. As a bonus Arshad shows you how to leverage PolyBase to quickly and easily import or export data from SQL Data Warehouse.  Read more...
Rating: (not yet rated)  Rate this |   Briefcase | 2,081 reads

Stairway to Columnstore Indexes Level 12: Clustered or Nonclustered?

The previous levels of this stairway describe details, features, and limitations of columnstore indexes in SQL Server. But they do not answer what should be the first question for every database professional: should columnstore indexes be used in my databases; on what tables should they be used; and should they be clustered or nonclustered columnstore indexes?  Read more...
By Hugo Kornelis 2017/05/24 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 593 reads
 

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From the SQLServerCentral Blogs

Setting Up InfluxDb, Chronograf, and Grafana for the SqlServer Dev

There are some beautiful ways to visualize time series data with the tools I'm going to go over. This post...  Read more...
By SqlBarbarian 2017/05/29 | Source: SQLServerCentral Blogs | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 485 reads

Implementing Buffer Pool Extension

Buffer Pool Extension was released in SQL 2014 so it’s not new.  It is also not advertised very much, but...  Read more...
By Ryan Adams 2017/05/29 | Source: SQLServerCentral Blogs | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 631 reads
Question of the Day

Only Use My Application

By Steve Jones 2017/05/29 | Category: administration
Rating: (not yet rated) |  Discuss |   Briefcase | 342 reads

How can I prevent connections to my SQL Server from all applications except for the one I choose, and then only one connection?

  Read more...
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