OUTER APPLY Fundamentals: Part 2
In Part 2 of this series we learn how OUTER APPLY can be used in your queries to return data, even when there are no matches between tables.
2026-08-12
3,087 reads
Outer Joins
Unlocking the Power of FULL OUTER JOIN in SQL: Performance, Use Cases & Examples
Discover how the FULL OUTER JOIN in SQL can simplify queries, improve performance, and solve real-world data problems
2025-11-10
Unlocking the Power of FULL OUTER JOIN in SQL: Performance, Use Cases & Examples
The JOIN statement is one of the most common operations SQL developers perform. Yet in a world ruled by Inner and Left Joins, the poor Full Outer Join is like Cinderella before the ball – allowed out on only the rarest of occasions. In an (unscientific) survey I once performed of SQL developers at one Fortune 100 firm, half of the developers had never used a Full Outer Join in production code, and the rest had used it in a tiny handful of occasions.
2025-10-01
2019-12-12
986 reads
Understanding Outer Joins in SQL
The basics of outer joins are shown in this short piece that explains how they work.
2019-11-19
9,718 reads
2015-12-17
1,716 reads
Outer Join – What am I missing (SQL Spackle)
This article shows how to find missing rows in a table using a outer join.
2024-10-18 (first published: 2013-11-12)
24,312 reads
2012-12-27
2,129 reads
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Implementing Type 4 Slowly Changing Dimensions in SQL Server
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The Disabled Index
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Server-Level Table sizes
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Question of the Day
The Disabled Index
I run this code on SQL Server 2022.
CREATE TABLE Drink
(
drinkid INT NOT NULL
CONSTRAINT DrinkPK PRIMARY KEY CLUSTERED,
drinkname VARCHAR(20),
rating NUMERIC(2, 1)
)
GO
INSERT INTO Drink
(
drinkid,
drinkname,
rating
)
VALUES
(1, 'Margarita', 4.5),
(2, 'Mojito', 4.3),
(3, 'Old Fashioned', 4.7),
(4, 'Martini', 4.4),
(5, 'Cosmopolitan', 4.2)
GO
ALTER INDEX drinkpk ON dbo.drink DISABLE
GO
SELECT * FROM dbo.Drink
GO
What is the result? See possible answers