Microsoft HDInsight is the cloud service that deploys and provisions Hadoop clusters on the Azure cloud. It's a completely managed, open source analytics service to support enterprise needs and supports a wide variety of scenarios with the help of open source frameworks like Hadoop, Storm, Spark, R Server and Hive.
2018-05-09
2,885 reads
With SQL Server 2017, Microsoft announced the exciting news that SQL Server would now run in Docker containers. Laerte Junior provides a guide to get started creating SQL Server instances in Docker.
2018-05-08
5,429 reads
You lost your car in a big parking lot. Erik Darling explains how this is just like an index scan.
2018-05-07
3,029 reads
Brent Ozar shares four stories of people who thought they could avoid backups - and got burned.
2018-05-04
5,663 reads
Some time ago, Phil Factor wrote his booklet 'SQL Code Smells', collecting together a whole range of SQL Coding practices that could be considered to indicate the need for a review of the code. It was published as 119 code smells, even though there were 120 of them at the time. Phil Factor has continued to collect them and the current state of the art is reflected in this article. SQL Prompt is committed to cover as many as possible of them. Phil has also updated his book, which is free to download.
2018-05-03
5,999 reads
In this post, Tim Smith will look at some of the considerations for both data rules and logic to prevent invalid data early in the ETRL process.
2018-05-02
3,324 reads
Microsoft currently offers two built-in methods of running production SQL Server databases in Azure. The first relies on the ability of Infrastructure-as-a-Service (IaaS) Azure virtual machines to host a variety of on-premises workloads, including SQL Server instances. The second one leverages Platform-as-a-Service (PaaS)-based Azure SQL Database. With the introduction of the Azure SQL Managed Instance service, you have a third option, which combines the benefits of its two predecessors.
2018-05-01
3,285 reads
One of the most important tools for query tuning is ability to view execution plans. They are even portable; you can send an execution plan to get advice from someone who doesn't have access to the underlying data. Have you even considered that sensitive information might travel along with the plans? Hugo Kornelis explains how execution plans affect data protection.
2018-04-30
3,411 reads
SQL Server has a couple of different ways to represent hierarchies, but they do not allow storing any additional information that is important to the relationship between objects. In this article, Phil Factor explains how to use closure tables to overcome this deficiency.
2018-04-27
3,926 reads
Remember when that old DBA told you not to SELECT *? Erik Darling explains why.
2018-04-26
2,943 reads
By Ed Elliott
SQL Server Management Studio (SSMS) has recently added support for Github Copilot. This is...
By Steve Jones
If it fails where you thought it would fail that is not a failure....
Quite a long title for a short blog post ??While deploying a DACPAC (from...
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What is returned when this code is run?
SELECT ORIGINAL_DB_NAME()See possible answers