The Potential of Joins
An article about how we underestimate the power of joins and degrade our query performance by not using proper joins
2015-02-26
10,611 reads
An article about how we underestimate the power of joins and degrade our query performance by not using proper joins
2015-02-26
10,611 reads
2012-02-02
25,385 reads
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
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Comments posted to this topic are about the item Faster Data Engineering with Python...
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I have this code in SQL Server 2022:
CREATE SCHEMA etl;
GO
CREATE TABLE etl.product
(
ProductID INT,
ProductName VARCHAR(100)
);
GO
INSERT etl.product
VALUES
(2, 'Bee AI Wearable');
GO
CREATE TABLE dbo.product
(
ProductID INT,
ProductName VARCHAR(100)
);
GO
INSERT dbo.product
VALUES
(1, 'Spiral College-ruled Notebook');
GO
CREATE OR ALTER PROCEDURE etl.GettheProduct
AS
BEGIN
exec('SELECT ProductName FROM product;')
END;
GO
When I execute this code as a user whose default schema is dbo and has rights to the tables and proc, what is returned? See possible answers