In the article How to create an Azure SQL Database using the Cloud Shell, we learned how to work with the Cloud Shell. In this new article, we will show how to automate Azure Active Directory tasks (AAD) using the Cloud Shell. We will work with loops, files and variables to automate tasks.
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By default, when someone creates an Azure SQL Server, an Administrator with SQL Authentication is created by default. However, for administrative purposes, it is a best practice to use Azure Active Directory.
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Sometimes there are tasks that require too much time to finish during business hours and we need to leave the office with some still pending like the migration of data, backups or long running queries. In such cases, we would still want to receive an email in our smartphones to make sure that the job was completed successfully.
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This article will provide an overview covering programmatically moving databases on the Azure Portal while avoiding common problems with users and logins.
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Cloud Shell is a new feature just released on May 2017. It is currently in beta.
The idea behind the Cloud Shell is to run Azure commands using the Azure Portal directly. In the past, it was necessary to install the Azure CLI on a local machine. You could install on a Windows, Linux or a Mac machine or you could use Docker. Now, you can use the Azure Portal.
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Today, it is a common practice to migrate our local data to Azure. Sometimes, we migrate files, sometimes databases and sometimes virtual machines. All the service in the cloud including Azure help a lot to simplify the administrative effort and reduce costs.
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In this article, we will demonstrate how to migrate MySQL tables to SQL Server using the SQL Server Migration Assistant (SSMA) and SSIS. We will give a brief introduction to MySQL and create a table. If you do not have any experience in MySQL, this tutorial will teach you your first steps. After that, we will migrate the created table and existing tables. We will also mention common problems when we migrate tables.
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In the 90s and at the beginning of the 21 century, Linux and Windows were decidedly working at cross purposes
However, starting on 2009, Microsoft started to contribute with code in the Linux Kernel. On 2013, Azure supported Virtual Machines in Ubuntu and later came the support to .NET in Linux, Visual Studio for Linux, PowerShell in Linux, support to monitor Linux server to monitor in SCOM (System Center Operation Manager) and now, the support for SQL Server that is on the previous version when this article was published and it is planned to be released this year (2017). Microsoft is a Platinum member of the Linux Foundation now.
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In a previous article, Functions vs stored procedures in SQL Server, we compared Functions vs stored procedures across various attributes. In this article, we will continue the discussion. We will talk also about Table-valued functions and compare performance with stored procedures with table valued functions and scalar functions.
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Usually DBAs prefer stored procedures in SQL instead of functions in SQL Server. Is this a good practice?
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In this article, we will talk about generating random values for testing purposes.
I once had a customer with software that worked fine in the demo with 30 rows, but after some months, the software had more than a million rows and it became very slow. The problem was not SQL Server, the problem was the application, which was not designed for tables with millions of rows. The customer sued to the software provider and lawyers were needed to create a resolution. If the provider had tested the software with millions of rows, this problem would have never happened.
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There is a lot of talk about how bad triggers are, how you should never use them, etc. I wanted to spend some time reviewing fact vs fiction and do an objective analysis of SQL Server database triggers (both DDL and DML), warts and all. We will review alternatives and compare them with triggers to determine advantages vs disadvantages of each approach.
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In this article, I compiled a list of FAQs and Answers about dates.
In this article, we will verify if the following statements are true or they are just myths:
When customers used to ask for advice to solve some T-SQL Problem, they would show me their scripts, stored procedures and cursors. I saw horrible things doing that job, some things I do not want to remember, and even some I cannot tell you about 😉 In this article, we will talk about performance problems when using while loops in T-SQL. We will also talk about problems with UNIONsand finally the use of JOINS of two or more tables using the where clause (ANSI 89) instead of using INNER, LEFT or RIGHT JOINS using the from clause (ANSI 92).
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In our chapter about PolyBase, we presented this new SQL Server 2016 feature to query CSV files stored in Azure Storage accounts. We mentioned that in PolyBase you can query data in Hadoop (HDInsight) using SQL Server. HDInsight is a very popular system in Azure that eventually you will need to interact with if you use SQL Server. That is why we will give an explanation for newbies about it.
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This article will teach you how to install PolyBase and will show you a simple example to start.
PolyBase is a new feature in SQL Server 2016. It is used to query relational and non-relational databases (NoSQL). You can use PolyBase to query tables and files in Hadoop or in Azure Blob Storage. You can also import or export data to/from Hadoop.
Read more »In our first part of this series, we showed how to import a bacpac file using the Azure Portal with Microsoft Azure Storage Explorer (MASE) and SQL Server Management Studio (SSMS) to create a Database in Azure.
In the second part, we will show how to import a bacpac file to create a Database using the sqlpackage.exe tool and PowerShell.
Read more »In SQL Server 2000, the sample databases were pubs and northwind. They contained sample information to learn SQL Server.
Read more »The xp_cmdshell is a very powerful extended procedure used to run the command line (cmd). This is very useful to run tasks in the operative system like copying files, create folders, share folders, etc. using T-SQL.
In this new article, we will show some useful examples about how to use it.
Read more »PowerShell is Windows Shell that can be used to automate tasks in Windows, Exchange, Azure, SQL Server and more.
Read more »There are several options to upload SQL Server backups files, scripts or other files to Azure. In this new article, we will show how to use a new tool, Microsoft Azure Storage Explorer (MASE).
Read more »If you have an Azure SQL Database, it is possible to replicate the data in multiple locations. In this new chapter, we will explain how to do it. This article has 3 sections:
Read more »Power BI is an extremely popular new Microsoft Tool to create reports. In a previous article, we talked about Power BI Cloud based services. In that article, we connected from a SQL Azure Data Warehouse database to the Power BI Cloud services. In this new article, we will work with the Power BI Desktop Tool from zero. The Power BI Desktop is a reporting software that can be installed in your Windows machine to create reports locally and connect to different data sources like Azure, SharePoint, Active Directory, Exchange, Facebook, Google Analytics and many other data sources. We will create Reports from a SQL Server database and finally we will extract information from Facebook. With Power BI, you can easily access to maps at street level around the world.
Read more »In a previous article, we talked about the tempdb system database. In this article, we will talk about the msdb database.
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