NULL Values and Aggregate Functions
How to work with NULL values in Aggregate Functions in a T-SQL statement. How to fix issues with NULL values with the AVG() and COUNT() functions.
Deardurff
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.
Working with Batches
Working with Batches in SQL Server, What are the differences between batches and transactions?
IDENTITY Columns
How to use IDENTITY columns in a table. An IDENTITY field is very similar to an auto-number field, where the number will automatically be added as each record is inserted.
Delete vs Truncate vs Drop
What is the difference between the DELETE, TRUNCATE, and DROP statements in T-SQL?
DML Triggers
Working with Triggers in SQL Server. How to use triggers for data manipulation statements (DML) like INSERT, UPDATE, and DELETE.
The OUTPUT Clause
How to use the output clause with Data Manipulation Language (DML) statements like INSERT, UPDATE, and DELETE.
XML on SQL Tutorial
Here is a short 13-minute tutorial I put together on how to use XML within SQL Server.