Those who work on various databases, or even those who do not, must have come across the term, Dynamic SQL. Dynamic SQL is basically a programming technique that enables you to build SQL statements dynamically at run time. It allows you to create more general purpose flexible SQL statement because the full text of the […]
2020-05-07
3,772 reads
Recently, I came across a problem where the client reported severe performance degradation of their OLAP system. Most of the reports that were running were either timing out or were returning data after a long time. The problem started right after the client had undergone an upgrade, that included the following, Software change, that includes […]
2019-12-16
7,863 reads
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Comments posted to this topic are about the item Implementing Type 4 Slowly Changing...
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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