MSSQL DATABASE INTERVIEW QUESTIONS

What is the purpose of the WHERE clause in MSSQL?

Can you explain how the WHERE clause is used in a SELECT statement in MSSQL?

How does the WHERE clause work with different data types in MSSQL?

How can you use the WHERE clause with multiple conditions in MSSQL?

What is the difference between using the WHERE clause with the IN keyword and using multiple OR conditions in MSSQL?

How does the WHERE clause interact with NULL values in MSSQL?

How can you use subqueries with the WHERE clause in MSSQL?

Can you explain the performance implications of using the WHERE clause with indexed and non-indexed columns in MSSQL?

How can the WHERE clause be used in combination with aggregate functions and the HAVING clause in MSSQL?

In MSSQL, how can you use the WHERE clause with the EXISTS keyword, and what are the benefits of doing so?