Are you considering moving your SQL Server environment to the cloud? If so, you may have come across Microsoft’s Azure SQL offerings, including Azure SQL DB and Managed Instance (MI). In this article, we will explore the benefits of using a Managed Instance and why it might be the right choice for your organization.

What is a Managed Instance?

A Managed Instance is a platform as a service (PaaS) offering in Azure SQL. Unlike Azure SQL DB, which has been around for a while, a Managed Instance provides a closer experience to SQL Server on-premises. It offers full functionality, including support for cross-database joins and the SQL Server Agent.

One of the key advantages of using a Managed Instance is that it is fully managed by Microsoft. This means you don’t have to worry about upgrading SQL Server or managing the underlying infrastructure. Microsoft ensures that the Managed Instance has nearly 100% compatibility with the latest SQL Server (Enterprise Edition) database engine.

Benefits of Using a Managed Instance

There are several features of a Managed Instance that make it an attractive choice for organizations:

1. Decreased Creation Time

Creating a Managed Instance has become significantly faster compared to a few years ago. Previously, it could take several hours to set up a Managed Instance. However, recent improvements have reduced the creation time to as little as 30 minutes for the first instance in a subnet. Subsequent creations with the same configuration take only 60 minutes. This faster creation time allows you to respond quickly to business needs and reduces the time and effort required for provisioning.

2. Pause the Compute

One of the standout features of Azure SQL DB and Synapse is the ability to pause the compute when it’s not in use. This feature allows you to save money by only paying for storage during the paused period. With the latest wave of updates in November 2022, Microsoft has introduced the ability to stop and start the compute on a Managed Instance as well. This means you can now take advantage of cost savings in development environments and other scenarios where the instance is not needed continuously.

3. Customizable Maintenance Window

With a Managed Instance, you have the flexibility to define a maintenance window that suits your organization’s needs. This allows you to schedule maintenance tasks and avoid interruptions during critical business hours. Microsoft provides predefined options for the maintenance window, and you can also receive advanced notifications of planned events. This feature gives you more control over when maintenance activities occur and helps minimize any potential impact on your operations.

4. SQL Server Agent

The SQL Server Agent is a crucial component for many database administrators. It allows you to schedule and automate administrative tasks, known as jobs, in SQL Server. With a Managed Instance, you have access to the SQL Server Agent functionality, making it easier to manage and automate your database maintenance tasks. You can create schedules, define operators, and even run popular maintenance scripts like Ola Hallengren’s scripts in Azure.

Is a Managed Instance Right for You?

Deciding whether to use a Managed Instance depends on your specific requirements and environment. If you are migrating to Azure and have a SQL environment with multiple databases, and you want the familiarity of SQL Server without the overhead of managing infrastructure, a Managed Instance is a great choice. On the other hand, if you have a simple database with minimal usage, a serverless Azure SQL DB might be more suitable.

Ultimately, the decision should be based on factors such as the complexity of your SQL environment, the need for cross-database joins, the reliance on the SQL Server Agent, and the desire for a lift-and-shift experience. It’s always a good idea to evaluate your specific needs and consider the benefits and trade-offs of each option.

Conclusion

Azure SQL Managed Instance offers a compelling solution for organizations looking to migrate their SQL Server environment to the cloud. With its close resemblance to SQL Server on-premises, features like decreased creation time, the ability to pause compute, customizable maintenance windows, and the inclusion of the SQL Server Agent, a Managed Instance provides a robust and fully managed SQL solution in Azure.

If you are considering a move to Azure, take the time to evaluate whether a Managed Instance is the right fit for your organization. It could be the key to unlocking the benefits of the cloud while maintaining the familiarity and functionality of SQL Server.

Have you used a Managed Instance in your environment? Share your experiences and insights in the comments below!

Article Last Updated: 2023-07-05