SQL Server Database Administrator Interview Question:

Explain Databases and SQL Server Databases Architecture?

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SQL Server consists of a set of various components which fulfill data storage and data analysis needs for enterprise applications. Database architecture: All the data is stored in databases which is organized into logical components visible to the end users. It's only the administrator who needs to actually deal with the physical storage aspect of the databases, whereas users only deal with database tables.

Every SQL Server instance has primarily 4 system database i.e. master, model, tempdb and msdb. All other databases are user created databases as per their needs and requirements.

A single SQL Server instance is capable of handling thousands of users working on multiple databases.
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