Media Summary: NULLs are interesting values. While they fill an important need in the database, it's not always intuitive how different select SUM(First_Name='David'),Sum(salary=56000) from emp; SELECT DATEDIFF(MM,joindate,getdate())AS Exp_Months,
Sql How To Get Count - Detailed Analysis & Overview
NULLs are interesting values. While they fill an important need in the database, it's not always intuitive how different select SUM(First_Name='David'),Sum(salary=56000) from emp; SELECT DATEDIFF(MM,joindate,getdate())AS Exp_Months, In this video, we'll be diving deep into the
