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.


Date and Time Data Types

Working with Date and Time Data Types. In this post, we discuss using both the Data and Time data types in SQL Server.


Integer Data Types

Working with Integer Data Types. In this post, we discuss the different number or integer data types available in SQL Server.


Character Data Types

Working with Character Data Types. In this post, we discuss the different character data types like char, nchar, varchar, and nvarchar that are available in SQL Server.