Sqlserver Interview questions


Total available count: 45
Subject - Databases
Subsubject - Sqlserver

What is NOT NULL Constraint?

  •  A NOT NULL constraint enforces that the column will not accept any null values
  •  The not null constraints are used to enforce domain integrity, as the check constraints
  •  If a column doesn't have NOT NULL means, it is capable to allow NULL values



Next 3 interview question(s)

1
What is Check Constraint?
2
What is Unique key constraint?
3
What is a Primary key?