How to insert data into an existing table?
Can coalesce return null?
What are the advantages of passing name-value pairs as parameters?
what is isolation level at dead lock?
How many types of dimensions are there and what are they? : sql server analysis services, ssas
What is 2nf normalization form?
What is the concept of optimization?
Is a null value equal to anything? Can a space in a column be considered a null value? Why or why not?
What is a natural primary key?
What is the process of normalization?
what is the difference detween pairwise comparison subquary and non pairwise comparison subquary?
What is self join in sql server joins?
How to restart SQL Server in single user mode? How to start SQL Server in minimal configuration mode?