MSSQL DATABASE INTERVIEW QUESTIONS

What is the purpose of the LEN() function in MSSQL, and how do you use it?

How do you use the CONCAT() function in MSSQL to combine strings?

How do you use the UPPER() and LOWER() functions in MSSQL?

How do you use the SUBSTRING() function in MSSQL to extract a part of a string?

How do you use the CHARINDEX() function in MSSQL to find the position of a substring within a string?

How do you use the REPLACE() function in MSSQL to replace a substring within a string?

How do you use the PATINDEX() function in MSSQL to find the position of a pattern within a string?

How do you use the STUFF() function in MSSQL to insert a substring into a string?

How do you use the FORMAT() function in MSSQL to format strings?

Explain a scenario where using string functions in MSSQL is crucial for a business application and describe how you would implement it.