Deardurff

Table Constraints

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


Tables and Relationships

Understanding the difference between Parent Tables and Child Tables and the difference between Primary Keys vs Foreign Keys.



Selecting From Multiple Tables

How to write T-SQL SELECT statements using multiple tables and what are the differences between using Inner Joins, Left Outer Joins, Right Outer Joins, and Full Outer Joins.


Working with Schemas

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


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.


Integer Data Types

Explore the integer data type: learn how TINY, SMALL, REGULAR, and BIG INTEGER types can optimize data efficiency.


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.


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.


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?