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Professional Azure SQL Managed Database Administration

You're reading from   Professional Azure SQL Managed Database Administration Efficiently manage and modernize data in the cloud using Azure SQL

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781801076524
Length 724 pages
Edition 3rd Edition
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Authors (2):
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Ahmad Osama Ahmad Osama
Author Profile Icon Ahmad Osama
Ahmad Osama
Shashikant Shakya Shashikant Shakya
Author Profile Icon Shashikant Shakya
Shashikant Shakya
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Table of Contents (14) Chapters Close

Preface 1. Introduction to Azure SQL managed databases 2. Service tiers FREE CHAPTER 3. Migration 4. Backups 5. Restoration 6. Security 7. Scalability 8. Elastic and instance pools 9. High availability and disaster recovery 10. Monitoring and tuning 11. Database features 12. App modernization Index

Azure SQL Data Sync

As the name suggests, Azure SQL Data Sync allows bi-directional data syncing between one or more Azure SQL databases and on-premises databases. The Azure SQL Data Sync service is free; however, there are charges for data movement into and out of an Azure SQL database.

Note

Azure SQL Sync doesn't support SQL Managed Instance at the time of writing.

Figure 11.1 shows how data is typically synced between an Azure SQL database and an on-premises database:

Syncing between an Azure SQL database and on-premises database

Figure 11.1: Syncing between an Azure SQL database and on-premises database

Azure SQL Data Sync is based around the idea of sync groups. A sync group has a hub database and one or more member databases. The Data Sync is always from hub to member, or from member to hub. There's no data sync between two member databases.

A sync group has the following components:

  • Hub database: This should be an Azure SQL database. The Data Sync happens to or from the hub database...
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