Using GROUP BY and HAVING
In this post, we discuss how to use the GROUP BY and HAVING clause in a T-SQL statement and how to use them with aggregate functions.
Writing SQL
Creating Tables in SQL
How to Create, Alter and Drop tables in SQL Server. How to manage tables in SQL Server.
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.
Creating Table Relationships
This demonstration will walk through how to create table relationships and foreign key constraints using SQL.
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
Working with Integer Data Types. In this post, we discuss the different number or integer data types available in SQL Server.
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.