Azure SQL Database “Step By Step” Tutorials

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I would like to share a link to my Azure SQL Database Stairway series hosted over at SQLServerCentral.

As stated on the website a stairway guide is a series focused on a single topic and is arranged into no more than a dozen easily-navigable tutorials that we call ‘steps’. Each step is the length of a typical magazine tutorial, and emphasizes practical, hands-on learning, with just enough background theory to help you understand the topic.

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Welcome to BlobEater

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I am passionate about using Microsoft Technology to maximise business benefit. Specializing in the Data Platform – SQL server, Azure SQL DB, Azure SQL DW, elastic pools, managed instances etc.

As a great leader once said “We all need people who will give us feedback. That’s how we improve”.  So any questions/ feedback – please Get In Touch

Copyright ©  in accordance with the Copyright, Designs and Patents Act 1988. All rights reserved. You are free to use any of the content here for personal use but need permission to use it anywhere or by any means (electronic, mechanical, photocopying, recording or otherwise).

 

Azure SQL Database Online Columnstore Unicorn and Rainbow Theory

As Microsoft states “online clustered columnstore index build enables you to optimize and compress your data with minimal downtime without major blocking operations on the queries that are executing while you are transforming the data.”

Based on one of my favourite blog posts ever about unicorns, rainbows and online index operations (https://www.sqlskills.com/blogs/paul/a-sql-server-dba-myth-a-day-830-unicorns-rainbows-and-online-index-operations/) I wanted to show that using a command such as

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Azure SQL Database and Transaction Log

Checking out the transaction log in Azure SQL Database. If you are curious like me, you will want to know about what your transaction log is doing in the cloud. The following queries have been tested and run okay within Azure SQL Database it gives you some great insight. First up, the classic log_reuse_wait_desc. You can’t exactly do much with this output, more so, just to fulfill curiosity.

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SQL Server Looking into Differential Backups

I seem to be writing solely about Azure so to shake things up a bit I am going back to my “roots”. In SQL Server your differential backup is cumulative and NOT incremental and a differential will contain the data that has changed since the last full backup.

Let’s dig in using DBCC PAGE.

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Classify your Azure SQL Database

Here I am talking about SQL Data Discovery & Classification feature that is built into Azure SQL Database. With this feature you have the ability to classify your database, which is what I will do today. There are 2 attributes to classification which are important components. These are labels and information types. Labels are used to define the sensitivity level of the data stored in the column and information types being the type of data stored in the column.

To start this process, you need to navigate to the security section of your SQL Database, it is actually within Advanced Threat Protection.

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Azure SQL Database Roadmap

I do not usually link straight to other blog posts or technical papers but I really had to with this one because it contains awesome information. The paper is called “Azure SQL Database for Gaming Industry Workloads” by : Pankaj Arora, Senior Software Engineer, Microsoft.

Find the link here – https://azure.microsoft.com/mediahandler/files/resourcefiles/azure-sql-database-for-gaming-industry-workloads/Azure%20Sql%20DB%20for%20Gaming%20industry.pdf

Look out for the last section regarding the future, Hyperscale databases, Gen 6 hardware and potential “serverless” offering?

It got me excited.

 

 

Azure SQL Database and Transaction Log

Checking out the transaction log in Azure SQL Database. If you are curious like me, you will want to know about what your transaction log is doing in the cloud. The following queries have been tested and run okay within Azure SQL Database. It gives you some great insight.

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Azure SQL Database – Reduce the workload before initiating another service objective update

Getting straight to the point, I initiated a very common task recently, another scale up request. However, a new message popped up. “The service objective assignment for database on server could not be completed as the database is too busy. Reduce the workload before initiating another service objective update”.

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Moving off SQL Server 2008 / R2 – What can Azure offer?

You will very likely know that SQL Server 2008 / R2 end of support is on July 9th 2019. Not that long to start thinking about and assessing your options. For this post I just want to discuss couple of things that you can do and I specifically mention Azure technologies, think of this as a high level starter guide.

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Azure SQL DB VS SQL Server For the DBA

Being the start of the new year and with new projects most likely starting again I would like to share with you an article I wrote a while back, but still quite relevant.

Hopefully you find it useful for those wanting to know key differences between Azure SQL Database and a locally installed SQL Server from a DBA perspective and whether or not these key differences can be seen as advantages or disadvantages.

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