The Costs of Data
Information is free, but data certainly has a cost. Especially as there are real costs to storing and managing large volumes of bits and bytes.
Getting started with Power View Reports with SharePoint, Excel and SQL Server
Microsoft Business Intelligence stack provides several tools for analyzing data from different perspectives, in different format and different ways. Power View is a new addition to this arsenal which provides intuitive ad hoc reporting capabilities for business users to provide an interactive data exploration, visualization, and presentation experience. But how does it work and how to get started with it?
Always Abstract
When developing your code, should you use views? There are reasons why you might choose to do so, or not do so, however Steve Jones thinks you should consider abstracting your systems.
News From EAP Testing
Jonathan Allen takes a peak at the EAP release of SQL Prompt 6 and some of the cool new things you can do to speed up writing SQL.
Guidance
When you are looking to help someone improve performance on a system, there isn't a single set of steps you provide. The advice and guidance you provide will vary, depending on the situation.
Upgrading the GIS application and database.
In this article I will mention a specific issue that I experienced during my last GIS application and database upgrade.
Columnstore Indexes in SQL Server 2012
The columnstore index in SQL Server 2012 stores columns instead of rows, and is designed to speed up analytical processing and data-warehouse queries. Whilst columnstore indexes certainly do that effectively, they are not a universal panacea since there are a number of limitations on them. When used appropriately, they can reduce disk I/O and use memory more efficiently.
New SQL Monitor Custom Metric: Untrusted Foreign Keys
A foreign key points to a primary key that must exist in another table, for example, column X in Table 1 must also be present in Table 2. The key protects this link, and only valid data can be inserted in the foreign key column. An untrusted foreign key may threaten a database’s referential and data integrity.
SQL in the City Seminar Denver 2013 – SQL Development Seminar
Join Red Gate for a free seminar on September 27 (the day before SQL Saturday Denver). Steve Jones, SQL Server MVP and editor-in-chief of SQLServerCentral.com, will present best practices for SQL Server database development, in addition to showing Red Gate tools in action.
Implementing, loading and optimizing a Type 2 Slowly Changing Fact Table
This article shows how to implement a Slowly Changing Facts Table, how to overcome the problems encountered when using the MERGE statement to process the data and suggest a minimal set of indexes to aid data loading and quering.
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