System databases are the default databases that are installed when the SQL Server is installed. Basically, there are 4 system databases: Master, MSDB, TempDB, and Model. It is highly recommended that these databases are not modified or altered for a smooth functioning of the SQL System.
A user database is a database that we create to store data and start working with the data.
Define data, entity, domain and referential integrity?
What are the lock types?
What is Isolation Levels?
Define transaction and transaction isolation levels?
Explain OPENQUERY function and OPENROWSET function?
What is a linked server?
What is Distributed Queries?
Define Distributed Query and Linked Server?
Explain the difference between a primary key and a unique key?
Can you explain Table Value Parameters (TVP) in sql server 2008?
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