You're reading from Professional Azure SQL Managed Database Administration - Third Edition

Product typeBook

Published inMar 2021

Reading LevelBeginner

PublisherPackt

ISBN-139781801076524

Edition3rd Edition

Languages

SQL

Tools

Azure

Concepts

Databases

Authors (2):

Ahmad Osama

Shashikant Shakya

View More author details

Summary

Azure SQL Database and SQL Managed Instance have different purchasing options and service tiers to support varying workloads. SQL Database has two purchase options, DTU and vCore, while SQL Managed Instance is only available with the vCore model. The DTU purchasing option measures performance in DTUs. A DTU hides the complexity of measuring performance in terms of CPU and memory and provides a simple way of measuring performance. It's good for teams that don't have specialized DBAs and for new databases/applications where we don't have historical performance metrics for the database.

The vCore model is more similar to an on-premises SQL Server wherein we get to choose compute (vCore) and storage separately. It's best for teams with specialized DBAs and for migrating on-premises workloads to Azure (where we have historical performance metrics for the database).

We also looked at different service tiers for each purchasing model and underlaying architecture model differences and use cases.

We learned how to use DMA to get SKU recommendations when migrating an on-premises SQL workload to SQL Database or SQL Managed Instance.

In the next chapter, we'll learn about techniques and considerations to migrate an on-premises SQL Server database to Azure SQL managed database offerings.

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Professional Azure SQL Managed Database Administration - Third Edition

Published in: Mar 2021Publisher: PacktISBN-13: 9781801076524

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Authors (2)

Ahmad Osama

Ahmad Osama works for Pitney Bowes Pvt. Ltd. as a technical architect and is a former Microsoft Data Platform MVP. In his day job, he works on developing and maintaining high performant, on-premises and cloud SQL Server OLTP environments as well as deployment and automating tasks using PowerShell. When not working, Ahmad blogs at DataPlatformLabs and can be found glued to his Xbox.
Read more about Ahmad Osama

Shashikant Shakya

Shashikant Shakya is a passionate technologist with decades of experience in the sphere of databases. He works for Microsoft as a senior support engineer. In his day job, he works on Azure SQL Database, Azure Database for MySQL, and PostgreSQL. Apart from his work, he is a regular speaker at the SQLBangalore community group.
Read more about Shashikant Shakya

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