Deardurff


Columns and Records

In this post, we discuss what columns and records are in a SQL table including an explanation of objects and entities.







What is a Function?

What is a SQL Function and how to use a function in a T-SQL statement? We use the GetDate() and LEFT() functions as examples.



SQL COALESCE Function

The SQL Coalesce function is used when you want to combine values from a series of columns or expressions when they might contain NULL values.