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What is database master key in SQL Server?

Contents
  1. What is a DB Master key?
  2. Where is the database master key stored?
  3. What is master database in SQL Server?
  4. How do I create a database master key in SQL Server?
The top-level resource in the SQL Server encryption hierarchy is the Service Master Key, which is encrypted by the Windows Data Protection API and created the first time a newly-created key needs to be encrypted. Second in line is the Database Master Key. This key can be used to create certificates and asymmetric keys. 20 авг. 2007 г.


What is a DB Master key?

The database master key is a symmetric key used to protect the private keys of certificates and asymmetric keys that are present in the database. When it is created, the master key is encrypted by using the AES_256 algorithm and a user-supplied password.

Where is the database master key stored?

Database master key It is stored in both the database where it is used and in the master system database. The copy of the DMK stored in the master system database is silently updated whenever the DMK is changed.

What is master database in SQL Server?

The Master database is the primary configuration database in SQL Server. It contains information on all the databases that exist on the server, including the physical database files and their locations. The Master database also contains SQL Server's configuration settings and login account information.

How do I create a database master key in SQL Server?

To create a database master key1Choose a password for encrypting the copy of the master key that will be stored in the database.2In Object Explorer, connect to an instance of Database Engine.3Expand System Databases, right-click master and then click New Query.Create a Database Master Key - SQL Server | Microsoft Docs

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