How to get names and marks of the top three students.

What are transactions and their controls?

Why do we use SQL constraints? Which constraints we can use while creating a table in SQL?

What is the command used to fetch the first 5 characters of the string?

How to select unique records from a table in SQL Server Database?

What is the difference between TRUNCATE and DROP statements?

What is an ALIAS command in SQL Server, where apply alias in the database command?

What are an Index in SQL Server and all developer use indexing in the database?

Why are use the SQL CHECK Constraint in the database at table creation?

How to select the last row of a particular CustomerID in SQL using the command?

What is the use of SQL FOREIGN KEY Constraint in the database?

How to add and remove columns from an existing table in the database?