MSSQL DATABASE INTERVIEW QUESTIONS

What is cardinality in the context of an MSSQL database?

How does cardinality affect indexing in MSSQL?

Why is understanding cardinality important when designing an MSSQL database?

How do you determine the cardinality of a column in MSSQL?

What is the difference between high cardinality and low cardinality in MSSQL, and how do they impact query performance?

How can cardinality impact join operations in MSSQL?

How does MSSQL use cardinality estimates in query optimization?

How can incorrect cardinality estimates affect query performance in MSSQL?

How do you update cardinality statistics in MSSQL?

Explain a scenario where understanding and managing cardinality is crucial for optimizing query performance in an MSSQL database, and describe how you would implement it.