What is a Foreign Key ?
What is a Foreign Key ?
What is a Foreign Key ?
A primary key is a column whose values uniquely identify every row in a table. Primary key values can never be reused. If a row is deleted from the table, its primary key may not be assigned to any new rows in the future. To define a field as primary key, following conditions had to …
What are properties of a transaction?
What is a Database Lock ?
What is a database transaction?
What is a Record in a database ?
What is a Table in a database ?
what is a field in a database ?
What are the different type of SQL or different commands in SQL?
SQL Server Interview Questions With Answer