What is the resource database and system database in sql server

Question

Accepted Answer

The resource database is a read-only system database that stores system objects and metadata for SQL Server. System databases are essential for the functioning of SQL Server.

The resource database is hidden and cannot be accessed directly by users or administrators.
It contains all the system objects that are included with SQL Server, such as system views and stored procedures.
The resource database is used to upgrade system objects when applying SQL Server updates or service packs.
System databases include master, model, msdb, and tempdb in addition to the resource database.

Accepted Answer

Resource database is an hidden SQL Server system database. We cannot see these database listed in any SQL Server Client Tool(SSMS) and SQL Server commands.

It is an important resource of MSSQLSERVER because it will contain all the System Objects of SQL Server . System objects mean that SQL Server maintain all the metadatas and data of tables and views ,Stored Procedures in the System tables and DMV .These System tables and DMVs and System function all are considered as System objects.

What is the resource database and system database in sql server

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