2025-05-14
591 reads
Execution Plan
Plansplaining, part 20. SQL Graph (part 1)
Welcome to part twenty of the plansplaining series. It has been a long time since I last wrote a plansplaining post, partly because of my health, but also for a large part because I was out of ideas. But recently I decided to dig a bit deeper into a feature that was released in SQL Server 2017 and that I had so far not played with: SQL Graph.
2023-12-06
Explore Natively Compiled SQL Server Stored Procedure Execution Plans
In this article, we look at execution plans and performance of a natively compiled stored procedure versus a traditional stored procedure.
2023-10-16
What Is a Cost-Based Optimizer?
When you execute a query, the database server has to figure a lot of things out. For even the simplest queries, there are usually several possible ways to get the job done.
2021-10-18
2018-11-20
798 reads
The New Lightweight Query Plan Profile Hint
SQL Server 2016 & 2017 enable a new way to get query performance metrics live via Extended Events.
2018-10-26
2,735 reads
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Question of the Day
The Tightly Linked View
I try to run this code on SQL Server 2022. All the objects exist in the database.
CREATE OR ALTER VIEW OrderShipping
AS
SELECT cl.CityNameID,
cl.CityName,
o.OrderID,
o.Customer,
o.OrderDate,
o.CustomerID,
o.cityId
FROM dbo.CityList AS cl
INNER JOIN dbo.[Order] AS o ON o.cityId = cl.CityNameID
GO
CREATE OR ALTER FUNCTION GetShipCityForOrder
(
@OrderID INT
)
RETURNS VARCHAR(50)
WITH SCHEMABINDING
AS
BEGIN
DECLARE @city VARCHAR(50);
SELECT @city = os.CityName
FROM dbo.OrderShipping AS os
WHERE os.OrderID = @OrderID;
RETURN @city;
END;
go
What is the result? See possible answers