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Data Mining Introduction

Fri, 20 Jan 2017 07:00:00 UT

Many people that work for years with SQL Server never use the Data Mining. This article has the objective to introduce them to this magic and exciting new world.




Development Delusions: That it is Enough to Build a Better Mousetrap

Fri, 20 Jan 2017 07:00:00 UT

You've written a superb, clever, application that you are trying to encourage your colleagues to use. They're not interested. Why? You've neglected the documentation. Surely, the saying goes 'Build a better mousetrap and the world will beat a path to your door'? Nope, not without comprehensive and complete documentation and marketing, it won't. Documentation is the secret of ensuring that good software will succeed.

(image) How to fix SQL Server disk I/O bottlenecks (without a hammer)
In this new article, Simple-Talk editor Tony Davis explains step-by-step how to find and fix the root causes of disk I/O bottlenecks, including gathering data, avoiding knee-jerk fixes, and how monitoring tools can help. Read now.



Keeping Fact Tables Online while Loading via Partition Switching

Thu, 19 Jan 2017 07:00:00 UT

Provides overview of steps that can be used to keep fact tables online during loading process.




What's New in Reporting Services 2016 Service Pack 1

Thu, 19 Jan 2017 07:00:00 UT

SQL Server 2016 was been released the first of June 2016, but at the recent Connect event Microsoft announced the first service pack. Aside from numerous fixes, this service pack also comes packed with some notable enhancements for Reporting Services. Koen Verbeeck gives you an overview of these enhancements.




Free Webinar: An Introduction to DevOps

Thu, 19 Jan 2017 07:00:00 UT

Despite its growing popularity, there is still some confusion over what DevOps actually means, how organizations should do it and what the best way is to get started. Redgate have invited James Betteley, Head of Education at the DevOpsGuys, to run through the basics in this free webinar. Register now.




Put your Database under Source Control

Wed, 18 Jan 2017 07:00:00 UT

This article will walk you through a demostration on linking your DB to SubVersion with RedGate SQL Source Control.

(image) How to fix SQL Server disk I/O bottlenecks (without a hammer)
In this new article, Simple-Talk editor Tony Davis explains step-by-step how to find and fix the root causes of disk I/O bottlenecks, including gathering data, avoiding knee-jerk fixes, and how monitoring tools can help. Read now.



Five Useful SQL Server Management Practices

Wed, 18 Jan 2017 07:00:00 UT

This article outlines five SQL Server capabilities you can use to enhance your efficiency as a DBA.




SQL Server v.Next : STRING_AGG() performance

Wed, 18 Jan 2017 07:00:00 UT

Aaron Bertrand takes an initial look at the performance of a new function, STRING_AGG, in SQL Server v.Next CTP 1.1.




Using SQL Server and R Services for analyzing Sales data (Part 3)

Tue, 17 Jan 2017 07:00:00 UT

Using R integration for analyzing sales data in WideWorldImporters database




SQL Server in Azure Virtual Machines - Performance Optimizations

Tue, 17 Jan 2017 07:00:00 UT

When deploying SQL Server in an Azure virtual machine, you can take advantage of several Azure Infrastructure-as-a-Service (IaaS) features that enhance performance of the SQL Server database engine. This article explores a couple of these enhancements, with a particular focus on increased I/O throughput facilitated by the Solid State Drive (SSD) storage available on most Azure virtual machines (VMs).




A Possible Alternative to SQL UNPIVOT

Mon, 16 Jan 2017 07:00:00 UT

Understand how to use the SQL UNPIVOT statement and then an equivalent using XML and XPath Querying in SQL Server.

(image) How to fix SQL Server disk I/O bottlenecks (without a hammer)
In this new article, Simple-Talk editor Tony Davis explains step-by-step how to find and fix the root causes of disk I/O bottlenecks, including gathering data, avoiding knee-jerk fixes, and how monitoring tools can help. Read now.



Using Power BI Desktop to Visualize SQL Server Metadata

Mon, 16 Jan 2017 07:00:00 UT

You can easily use PowerBI Desktop to show graphically how your database is growing, which tables are taking the most space, how various parts of SQL Server is consuming memory, its use of indexes and so on. Sure, you can create graphs in SSMS, but with PowerBI, you can create reports that you can then publish to others, and which allow drill-down. It is a great way to get familiar with PowerBI Desktop as well. Rob Sheldon shows how simple it is to do.




Free Webinar – Database DevOps Demo

Mon, 16 Jan 2017 07:00:00 UT

Learn how to extend DevOps practices to SQL Server databases in our free demo webinar on January 17th. Microsoft Data Platform MVP, Steve Jones will demonstrate how Redgate’s database automation tools plug into Git, Jenkins & Octopus Deploy. Learn how to branch and merge with SQL Source Control then automate the build and deployment of changes with DLM Automation. Register now.




Scrubbing Personally Identifiable Information

Fri, 13 Jan 2017 07:00:00 UT

Managing personally identifiable information when moving databases to unsecure environment can be challenging. With this flexible and extendable solution for scrubbing it, you can save yourself some time and effort.




Configure SQL Server AlwaysOn Availability Group on a Multi-Subnet Cluster

Fri, 13 Jan 2017 07:00:00 UT

A “multi-subnet” environment is defined when the OS cluster used as the backbone for AlwaysOn has server nodes that are located in multiple/different subnets. Deploying SQL Server AlwaysOn Availability Groups requires a Windows Server Failover Clustering (WSFC) cluster and each availability replica of a given availability group must reside on a different node of the same WSFC cluster. This post from Manvendra Singh will help you in configuring an HA and DR solution for SQL Server AlwaysOn in multi-subnet networks.




Backing Up SQL Server Databases is Easier in PowerShell than T-SQL

Thu, 12 Jan 2017 07:00:00 UT

Learn how easy the new SQLServer module makes backups of SQL Server databases.




Identifying Last Night’s SQL Agent Job Failures

Thu, 12 Jan 2017 07:00:00 UT

Finding the nightly job failures is just one of a DBA's morning rituals. It is fairly easy to scan all the email with a number of creative search criteria, but what if you would like a more automated approach? Read on to learn how to find and report all job failures using a script.




Stairway to U-SQL Level 12: SQL.ARRAY and CROSS APPLY EXPLODE

Wed, 11 Jan 2017 07:00:00 UT

U-SQL introduces two new data types - SQL.ARRAY and SQL.MAP. Here, we look at what we can do with SQL.ARRAY and the CROSS APPLY EXPLODE expression.




SQL Server Database Provisioning

Wed, 11 Jan 2017 07:00:00 UT

Database provisioning for development work isn't always easy. The better that development teams meet business demands for rapid delivery and high quality, the more complex become the requirements for the work of development and testing. More databases are required for testing and development, and they need to be more rapidly kept current. Data and loading needs to match more closely what is in production. Grant Fritchey explains.




Simpson's Paradox

Tue, 10 Jan 2017 07:00:00 UT

This article is a case study and an attempt to explain an interesting phenomenon with data anomalies that is commonly called Simpson's Paradox.




SQL Server 2016 Enterprise Edition Performance Advantages

Tue, 10 Jan 2017 07:00:00 UT

Glenn Berry uses a few specific examples to demonstrate the performance benefits you can get from SQL Server 2016 SP1 Enterprise Edition.




Using R to Identify Key Features Quickly

Mon, 09 Jan 2017 07:00:00 UT

Typical BI dashboards display data summaries like counts and averages. We use R to extend on these to identify key associations in a dataset.

(image) How to fix SQL Server disk I/O bottlenecks (without a hammer)
In this new article, Simple-Talk editor Tony Davis explains step-by-step how to find and fix the root causes of disk I/O bottlenecks, including gathering data, avoiding knee-jerk fixes, and how monitoring tools can help. Read now.



SQL Server 2014 Build List

Mon, 09 Jan 2017 07:00:00 UT

A list of builds for SQL Server 2014, through CU9 for SP1.




Using SQLite with PowerShell and SQL Server

Mon, 09 Jan 2017 07:00:00 UT

When you combine PowerShell and SQLite, you can perform powerful magic. Phil Factor is in awe of SQLite and gives a brief demonstration of how easy it is to use. Just to encourage anyone who is unfamiliar with the database, he includes a giant-sized SQLite version of the old PUBS database that the first generation of RDBMS developers cut their teeth on.




How to run SSIS Project as a SQL Job

Fri, 06 Jan 2017 07:00:00 UT

In this piece by Pilip Horan, learn how to create an SSIS catalog and run a project as a SQL Agent Job.




An Introduction to SQL Server Containers

Fri, 06 Jan 2017 07:00:00 UT

Get the basics of what a container is and how this can work with SQL Server.




SQL Server Ad Hoc Access to OLE DB Provider Has Been Denied Error

Fri, 06 Jan 2017 07:00:00 UT

I was trying to use OPENROWSET to query a remote database and I experienced the following error "Ad hoc access to OLE DB provider has been denied. You must access this provider through a linked server". When I ran this same query using a sysadmin account it worked fine. Why doesn't this work for other logins?




Dynamic Data Masking Feature in SQL Server 2016

Thu, 05 Jan 2017 07:00:00 UT

Microsoft has introduced very impressive new security feature in SQL Server 2016 called Dynamic Data Masking (DDM).Dynamic Data Masking allow user to decide how much of the sensitive data to reveal with minimal impact on the application layer.




Questions About SQL Server Security and Access Control You Were Too Shy to Ask

Thu, 05 Jan 2017 07:00:00 UT

For many developers, database security and Access control is just something that gets in the way of development work. However, several recent security breaches have had devastating consequences and have caused a change in attitude about the value to any organisation of having database applications that meet industry standards for access control and security. The problem, however is in admitting that you have a problem and finding answers to those problems you are just too shy to ask in public.