SQL PASS Summit 2017: Day 1 Keynote Thoughts and Memories
Whee! It’s the first day of the main SQL PASS Summit conference and I made it to the keynote early for the first time ever. The hype says we’re going...
2017-11-01
19 reads
The Death of SQL Server Service Packs
SQL Server Service Packs are going away, starting with SQL Server 2017. I talk about why I think this is a good thing, and discuss Cumulative Updates, Service Packs,...
2017-10-06
17 reads
Love and Hate for SSMS
People have strong feelings about SQL Server Management Studio: they love it AND they hate it. In this week’s episode, I talk about why people have such conflicting feelings...
2017-09-29
22 reads
How Do I Analyze a SQL Server Execution Plan?
A query is slow, and you figure out how to collect the query execution plan. Now what? In this video, I talk “big picture” about what execution plans are,...
2017-09-22
53 reads
Do I Need to Master PowerShell?
As a SQL Server DBA, do you need to be a master of PowerShell scripts? In this 9 minute episode, I talk about how much you need to know...
2017-09-12
28 reads
How Can the SQL Server Resource Governor Help You?
MANAGING ‘NOISY NEIGHBORS’ IN SQL SERVER If you’ve been managing databases for any length of time, you’ve probably had to contend with the “noisy neighbors” scenario. In this scenario,...
2017-02-10
28 reads
2016-10-18
21 reads
2016-07-22
17 reads
2016-06-02
16 reads
AlwaysOn Availability Groups Synchronous Replica Readable Secondary Data Access Latency
With SQL Server AlwaysOn Availability Groups, when you configure a secondary in synchronous-commit mode for read-only access, there can be data access latency. If you make changes to your...
2016-05-15
19 reads
Blogs
T-SQL Tuesday #202 SQL Server Outage You’ll Never Forget: A Roundup
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
Forums
Implementing Type 4 Slowly Changing Dimensions in SQL Server
Comments posted to this topic are about the item Implementing Type 4 Slowly Changing...
The Disabled Index
Comments posted to this topic are about the item The Disabled Index
Server-Level Table sizes
Comments posted to this topic are about the item Server-Level Table sizes
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