What is a master database in SQL Server?

Question

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.

What is master key database?

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.

What are the 4 system databases in SQL Server?

System Databases - master, model, tempdb, msdb - SQL Server.

What is the importance of the master system database?

From all the databases, master database is the most important database. Master Database contains information about SQL server configuration. Without Master database, server can't be started. This will store the metadata information about all other objects(Databases,Stored Procedure,Tables,Views,etc.)

What is stored only in the master database?

Explanation: Server-scoped Dynamic Management View is stored only in the Master database.

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