Test-Driven Development of T-SQL Code
Learn how to incorporate Test-Driven Development practices into your database development methodology with TSQLUnit.
SQL Saturday #264 - Ancona, Italy
SQL Saturday is a training event for SQL Server professionals and those wanting to learn about SQL Server. This event will be held Dec 13 2013 at Università Politecnica delle Marche - Ancona, Italy. This SQL Saturday will feature 3 tracks focused on BI, DBA, and Development.
T-SQL Best Practices - Don't Use Scalar Value Functions in Column List or WHERE Clauses
A classic article by Gerg Larsen explaining how and how not to use a function within your T-SQL statements. Where you place your function within your T-SQL statements determines how your query will be processed and can severely impact the query execution plan and the performance of your query.
Index Fragmentation in SQL Server: Stairway to SQL Server Indexes Level 11
Internal and external fragmentation – Causes, cures, and when not to care
Visitor Parking
Today we have a guest editorial from Andy Warren. There are often issues with how we get along with each other at work. Andy asks how you might handle a tough decision over a simple problem.
Microsoft's Log Parser Utility: Swell ETL
For loading text, CSV or XML files into SQL Server, the Log Parser utility, with its amazing SQL engine, is likely to be the obvious choice. Although initially developed purely for converting IIS logs, the Log Parser can turn its hand to a range of formats including even event logs or the Windows registry.
Checking Up on Developers
This Friday Steve Jones has a poll about developers. Help compile a good list of common mistakes made in SQL Server.
Prevent overlapping of time events with an indexed view
Prevent overlapping of time events with an indexed view.
Introducing the Red Gate SSMS Ecosystem
The Red Gate SSMS Ecosystem is a framework that makes it easy to develop, share and manage SSMS add-ins. We aim to help add-in developers build everything from homegrown solutions and community-driven projects to commercial solutions provided by partner companies. We hope that DBAs and database developers will benefit from better integrated tools.
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