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In this article, learn how to use backup transparency in Azure SQL Managed Instance to view the backup history of your managed instance.
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The [msdb database](/sql/relational-databases/databases/msdb-database) enables backup transparency in Azure SQL Managed Instance by making backup history tables queryable. However, there are a few key differences between the backup tables in a traditional SQL Server `msdb` database, and the `msdb` database in Azure SQL Managed Instance, such as what information is visible, what tables are supported, and what fields are available.
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## Overview
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## Visible information
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Backup transparency in SQL Managed Instance is available through the [msdb database](/sql/relational-databases/databases/msdb-database), which makes backup history tables queryable.
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The `msdb` database in SQL Managed Instance displays the following backup information:
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It's important to know about a few key differences between the backup tables in a traditional SQL Server `msdb` database and the `msdb` database in SQL Managed Instance. The main differences include the information that's visible, supported tables, and the fields you can use.
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- The type of automated backup taken, such as full, differential, or log.
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- Metadata about native backups taken manually, though some fields, such as file path and usernames, may not be populated. Use the `is_copyonly` column to determine if a backup was taken manually or automatically.
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- Metadata about the backup such as the status, size, time, and location.
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- The replica where the backup was taken, such as the primary, or secondary. The ability to take backups from the secondary replica is currently in private preview, and only available on the Business Critical service tier.
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## Included information
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The `msdb` database in SQL Managed Instance displays the following backup information:
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The `msdb` database **does not** have information about the following:
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- The type of automated backup taken, such as full, differential, or log.
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- Metadata about native backups taken manually, although fields like file path and usernames might not be populated. Use the `is_copyonly` column to determine whether a backup was taken manually or automatically.
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- Metadata about the backup, including status, size, time, and location.
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- The replica where the backup was taken, such as the primary or secondary managed instance. The ability to take backups from the secondary replica currently is available only on the Business Critical service tier.
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- Backups stored for long-term retention, as this is done by copying out files at the storage level, and isn't visible to the instance.
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The `msdb` database *does not* have the following information:
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- Backups that are stored for long-term retention. Backups for long-term retention are made by copying files at the storage level. This type of backup isn't visible to the instance.
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## Supported tables
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The `msdb` database in SQL Managed Instance supports the following backup tables:
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The `msdb` database in SQL Managed Instance supports these backup tables:
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