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.
The End of Privacy: Tragically Comical Edition
It’s hard to avoid privacy-based stories at the moment, with growing concern over government snooping and the limits of power. But where I’m based, in the UK, there’s a new, fully-privatised invasion of privacy. One marketing company has created an outdoor wi-fi basestation that grabs your phone’s MAC address as you pass, with the idea […]
SQL Server 2012 Analysis Services Partitioning Performance Demonstration
How much of an improvement in processing time can a simple SQL Server Analysis Services (SSAS) partitioning structure provide? Can you provide any examples? Does this processing time improvement only apply to the fact tables? Check out this tip to learn more.
Should He Stay or Should He Go?
Read the first page of the linked article and then cast your vote in this Friday's poll.
Data Science Laboratory System - Key/Value Pair Systems
Though the Key/Value pair paradigm is common to almost every computer language, there is no clear agreement yet for the definition of a Key/Value Pair database. However, Key/Value pair databases are valuable for special applications where speed of writing data is more important than searching and general versatility. Buck Woody experiments.
SSIS Deployments with SQL Server 2012
This article describes different methods for deploying your SSIS projects to a server.
Blogs
Who Are You Doing It For?
By Brian Kelley
But as I've matured over the years, I came to realize that I needed...
Presenting Twice in May 2026
By alevyinroc
I will be presenting my latest session, Documenting Your Work for Worry-Free Vacations, in-person...
Finding the Next Sequence Value: #SQLNewBlogger
By Steve Jones
I saw a question asking about the next sequence value and decided to try...
Forums
DB Design Methods
I've read a few posts regarding what we use to design DB models and...
Auto Update Statistics not triggering on filtered indexes
I've got a table with 186,703,969 rows, about 300GB of data. There are several...
What is the difference between SQL Server and SQL Database?
I created a SQL Database in Azure Portal but I've just noticed it also...
Question of the Day
An Unusual Identity
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers