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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
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Authors (2):
Ahmad Osama
Ahmad Osama
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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
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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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Horizontal scaling

Horizontal scaling, or sharding, refers to partitioning the data from one single big table in a database across multiple independent databases based on a sharding or partitioning key. For example, a customer table is partitioned across multiple independent databases on CustomerID. Each independent database stores data for one or more customers.

Note

Sharding is only available in SQL Database and it's not available for SQL Managed Instance.

Horizontal scaling can be helpful in the following situations:

  • The data is too big to fit into one single database.
  • The data is to be distributed to different locations for improved performance or for compliance. For example, European customers will get improved performance if their data is in a European datacenter rather than an Asian datacenter.
  • Isolating tenants or customers to a database of their own for better management and performance. If all of the customer data is in a single database and...
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Professional Azure SQL Managed Database Administration - Third Edition
Published in: Mar 2021Publisher: PacktISBN-13: 9781801076524
© 2021 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
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

author image
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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