Inside the Optimizer: Constructing a Plan - Part 4
The final part in a series by Paul White exploring the internals of query optimization. Learn how
2010-09-16
5,536 reads
Paul White
- Twitter: @https://www.x.com/SQL_Kiwi
- Website: https://www.sql.kiwi
Inside the Optimizer: Constructing a Plan - Part 3
Join Paul White in part three of a four-part series exploring the internals of query optimization as he looks at the rules that are used to build the execution plan.
2010-09-14
6,446 reads
Inside the Optimizer: Constructing a Plan - Part 2
How does the query optimizer build an execution plan for your queries? Paul White shows is in part two of a four-part series exploring the internals of query optimization.
2010-09-09
7,820 reads
Inside the Optimizer: Constructing a Plan - Part 1
Part one of a four-part series exploring the internals of query optimization from T-SQL guru, Paul White.
2010-09-07
12,857 reads
Optimising Server-Side Paging - Part II
The second part of this series compares four methods of obtaining the total number of rows in a paged data set.
2010-05-24
18,753 reads
2010-05-04
3,294 reads
Optimising Server-Side Paging - Part I
This article by Paul White presents an optimisation for paging through a wide data set.
2010-04-26
27,590 reads
2010-04-07
4,053 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