NULL Values and Aggregate Functions
Explore how NULL values affect aggregate functions and learn how to handle them effectively in your SQL queries.
MCT
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.
Data Manipulation Language (DML)
What is the data manipulation language (DML)? How to write the INSERT, UPDATE, and DELETE statements in T-SQL.
Using the INSERT Statement
How to use an INSERT statement to add records to a table in SQL Server. We will begin with just a simple INSERT statement that will add one row into the table.
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.
Working with Batches
Working with Batches in SQL Server, What are the differences between batches and transactions?
Transactions and Errors
Learn about Transaction and Errors in SQL Server. Understand Auto-Commit vs Explicit Transactions for better error handling.
Enrique Lima Award 2018
Reflecting on the Enrique Lima Award 2018, a tribute to a great friend and a testament to community spirit.