In SQL, a LEFT OUTER JOIN is a type of JOIN operation that combines data from two tables, based on a JOIN condition. This type of JOIN is called an outer JOIN because it includes not only the matching rows from the tables, but also the rows from the left (or first) table that do not have a matching row …

Left Outer Join (Left Join) Read more »

A left outer join with exclusion is a variation of the standard left outer join used to find rows from the left table that do not have a matching row in the right table. It is also known as an SQL Exclude JOIN. It effectively identifies records that exist exclusively in the left table and are absent from the right …

Left Outer JOIN with Exclusion Read more »

Inner Join versus Outer Join, A SQL Server inner join is a type of join that combines records from two or more tables in a database based on the values of the joined columns from each table. Inner joins only return rows that have matching values in the joined columns. In contrast, an outer join will return all rows from …

Inner Join versus Outer Join Read more »

It is that time of the year again, November, the month where we have the lowest prices on our SQL Server courses, and where we have weekly promotions, finally wrapping up with our Thanksgiving, Black Friday and Cyber Monday Sales at the end of the month. As Stedman Solutions we treat the whole month of November as a sale month …

November is SQL class discount month Read more »

Current SQL Server course coupon codes and on going deals you can only get from Stedman Solutions! 25% Off in July! Coupon Code: DATABASEHEALTH Learn how to monitor your wait statistics, you blocking queries, and to find out the best ways to improve performance with what you learn. With this course you will also receive 20 Database Health Monitor server …

Stedman Solutions Coupons and Deals Read more »

Current Stedman Solutions SQL course coupon codes and on going deals you can only get from Stedman Solutions! 50% Off Our Newest Course! Coupon Code: FEB-RELEASE50 Using our instruction and scripts included in this course you will successfully configure email notifications when blocking occurs. Address blocking BEFORE it takes down your system. See All Our Online Courses! On Going Deals …

Course Coupons and Stedman Solutions Deals Read more »

Over the last 30+ years of working with SQL Server, I have seen a lot of interview questions relating to SQL Server. I have been on both sides of the interview table, sometimes wondering what the person on the other side of the table was asking. As a SQL Server developer do you feel that you were asked good questions …

What is your favorite SQL Server Developer Interview questions? Read more »

Current Stedman Solutions SQL Course Coupon Codes. Save Up to 65% Off our Popular Online SQL Server Courses, a Once a Year Type Savings! 65% Off for April JOINs Month Coupon Code: APRIL-JOINS Leave your JOIN confusion in the past and enroll in our SQL Server JOIN Types Course. Learn More Here 50% Off Our Newest Course! Coupon Code: FEB-RELEASE50 …

SQL Course Coupon Codes Read more »

When I first created this JOIN Types poster or cheat sheet back in 2013 I didn’t realize there was such a need for it. I originally made this as a tool to explain JOIN types to a fellow coworker. It seemed almost impossible teach JOIN without it. The inspiration to create this tool came from a little bit of frustration. …

JOIN Types Poster Applause Read more »

Joining tables in SQL Server can be confusing and hinder your performance. I know because I have helped many confused people to understand their JOINs. That is why I created the JOIN Types cheat sheet several years ago, and the JOIN Types class last year. I have recently updated my poster to version 22. I have also made many blog …

Understanding JOINs Month Read more »