What is SQL?
What is SQL? What is the difference between SQL the language and SQL the server?
SQL
SQL Statement Categories
There are four main categories of statements used when writing T-SQL. What are the differences between each of these categories?
Writing a SELECT statement
What are the basics in writing a T-SQL SELECT? How to return columns and records from a table in SQL Server.
Columns and Records
In this post, we discuss what columns and records are in a SQL table including an explanation of objects and entities.
Filtering Records by Numbers
How to use the WHERE statement to filter records when the value is a number or integer data type in a T-SQL statement.
Filtering Records by Character Data
How to use the WHERE statement to filter records when the value is a character data type in a T-SQL statement.
Filtering Records by Dates and Times
How to use the WHERE statement to filter records when the value is either a Date or a Time in a T-SQL statement.
Filtering Records by NULL Values
How to use the WHERE statement to filter records when a value IS NULL or IS NOT NULL in a T-SQL statement.
Sort Records using ORDER BY
How to use the ORDER BY statement to sort records in a T-SQL statement in both ascending and descending order.
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.