Writing SQL

Working with Batches

Working with Batches in SQL Server, What are the differences between batches and transactions?


DML Triggers

Working with Triggers in SQL Server. How to use triggers for data manipulation statements (DML) like INSERT, UPDATE, and DELETE.


Working with Schemas

What is the schema object in SQL Server? How is the schema object used for organization, naming, and security.


SQL Table Constraints

Restricting data by using Table Constraints in SQL Server. What are the different table constraints in SQL Server?



What is a Schema?

The term schema could mean several different things. What are the different meanings and how are schemas are used in SQL Server.


SQL Four-Part Names

The four-part names of SQL Server objects. How to reference objects in SQL Server by their four-part name and how to use it in a T-SQL statement.


SQL Statement Categories

There are four main categories of statements used when writing T-SQL. What are the differences between each of these categories?


Data Type Conversion

Using the CAST and CONVERT functions to convert data types in SQL Server. What are the differences between the two functions to convert data types in a T-SQL statement?


Working with Time Precision

Working with Time Precision. How to efficiently support time precision in SQL Server. Data types are important to understand as they can save space on your hard drive, memory, and network.