Resource Database
What is resource database?
Resource database, also known as resource DB or RDB, is a hidden, read-only database in SQL Server. Microsoft SQL Server is a relational database management system (RDBMS) created and marketed by Microsoft. Like other relational database software, SQL Server supports structured query language (SQL) for working with relational databases. The primary interface tool for SQL Server is SQL server management studio (SSMS), which works in both 32-bit and 64-bit systems.