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Calculating odds ratio with T-SQL and R
What are the odds of ... In this post am attempting to explore what can be deemed to be the most commonly used statistical concept - the odds ratio. We use this all the time when we examine what are...
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SQL Server Default Port
In this article, we are going to explore the default port number of SQL Server required for getting connected to different applications. What is a Port?It is an endpoint of communication in an...
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Events By Feature
Within the world of SQL Server there are a few things one can be certain of things will change. This is true of the features in SQL Server. Additionally, Extended Events is constantly evolving which...
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What’s New in SQL Server 2016 Analysis Services
When Microsoft first included OLAP Services (the precursor of today’s SQL Server Analysis Services) in SQL Server 7, the company totally changed the enterprise database landscape. The introduction of...
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Learn T-SQL with the StackOverflow Database
Background: acompany came to uswith a request: they had a lot of smart people who wanted to learn the basics of T-SQLin a day. Could webuild an intro-to-T-SQL course that didn’t suck? Well, sure as...
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Telco Customer Churn with R in SQL Server 2016
by Fang Zhou, Data Scientist at Microsoft andWee Hyong Tok, Senior Data Scientist Manager at Microsoft In today’s fast-paced world, mobile phone customers have many choices and can easily switch...
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SQL Server 数据库还原
数据库恢复大多是让人很头痛的部分。比如我，经常需要把生成环境的数据备份下来还原到测试环境中进行新功能的测试。 带我的前辈告诉我的方式是在SSMS中直接右键还原源选择恢复数据的来源数据库，目标选择要还原的数据库。 这种方式的成功率很低！经常会数据库使用中的错误提示：Exclusive access could not be obtained because the database is in use...
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Configure SQL Server Merge Replication with Web Syncronization
Problem One of the things that needs to occur for SQL Server replication is the synchronization of data between the publisher and subscribers. In some cases machines may not be on the same network, so...
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Upcoming SQL Server 2018 Features
If you think that’s big, you should see the size of the drink I happened to be in Seattle this week after finishing up an Alaska cruise, and I had the chance to sit down with some of the PMs...
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ForumSurfer a RSS reader for the SQL Server online community
Today I published the first release of ForumSurfer , a RSS reader designed explicitly to be a tool for the SQL Server online community. Here is a screenshot: ForumSurfer has some unique features that...
View ArticleMicrosoft SQL Server: Advantages and Challenges from the Virtualization...
Databases help the business access information more quickly. This, in turn, allows employees to get more done in less time, which allows businesses to grow more rapidly. When businesses grow more...
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Compare Repeatable Read and Serializable SQL Server Transaction Isolation Levels
By:Sergey Gigoyan || Related Tips:More >Locking and Blocking Problem Experienced SQL Server DBAs know that the Repeatable Read transaction isolation level protects queries from dirty reads and...
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Calculating Median Absolute Deviation with T-SQL Code in SQL Server
Problem We're currently analyzing a data set and using median to find the central point of the data, but we think that based on some extreme values, this may not actually be the central point. We think...
View ArticleFIX: The unattended execution account cannot be set at this time
I ran into this one today and it’s the in the category of things that I’m likely to run into again one day so it’s worth recording it here. I was trying to configure an unattended execution account for...
View ArticleManaging SQL Server Backup and Restore History Information
Every time you backup or restore a database SQL Server keeps history information about the backup or restore operation. The backup and restore information is captured and stored in the msdb database....
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Schedule Backup SQL Server 2008 R2
[Total: 1 Average: 5/5] If your locking for a way to make schedule backup SQL Server 2008 R2, then useSqlBak. This simple tool will make SQL Server database backups according to your schedule. Nowadays...
View ArticleImportance of Database Backup In SQL Server
Overview To save any organisation from any big future loss, one needs make a proper strategy or disaster plan that will save them in their hard time. When working with critical data it becomes very...
View ArticleMasking Your Data with SQL Server 2016
There are times when you want some users to see part of a column value but not the whole thing, but you want other users to see the complete column value without any masking. For example you may want...
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Default Sessions Back to Basics
Remember When… Back in late December of 2015, a challenge of sorts was issued by Tim Ford ( twitter ) to write a blog post each month on a SQL Server Basic. Some have hash-tagged this as #backtobasics....
View ArticleNo 32-bit for SQL Server 2016 Express
I’ve learned that SQL Server 2016 Standard and Enterprise Editions no longer provide 32-bit. But I do wonder about SQL Server 2016 Express Edition. It’s different in that it’s free, and mostly geared...
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