Dimensional Modelling Case Study Part 1 - Age Group
Learn how you can handle dimensional modeling in a data warehouse when your data uses different categorization for ages.
2024-01-12
2,257 reads
Data Warehouse
Time-Series Data Analysis with Apache Druid
Learn the basics of Apache Druid and how it can be used to ingest data into a data lake.
2023-11-10
14,161 reads
Upserts in Amazon Redshift
This article discusses different approaches of Upserts (update+inserts) in Amazon Redshift
2023-08-09
26,715 reads
A Overview of Amazon Redshift
This article gives an overview of Amazon Redshift, the cloud data warehouse in AWS.
2023-07-24
25,372 reads
How do you secure sensitive data in a modern Data Warehouse?
In 2019 Canadian Broadcasting Corporation (CBC) news reported a massive data breach at the Desjardins Group, which is a Canadian financial service cooperative and the largest federation of credit unions in North America. The report indicated, a "malicious" employee copied sensitive personal information collected by Desjardins from their data warehouse. The data breach compromised the […]
2022-03-30
2,924 reads
Infrastructure Planning for a SQL Server Data Warehouse
In this tip we look at some things you should think about when planning for a SQL Server data warehouse.
2019-02-12
2,879 reads
Modern Data Warehouse Design Pattern – Part I
The modern data warehouse design helps in building a hub for all types of data to initiate integrated and transformative solutions. To achieve these goals and to support modern designs, Microsoft has introduced a set of fully managed, cloud-based services that not only support modern data warehouse design patterns but also provide the advantages of inbuilt scalability, high availability, good performance, and flexibility.
2018-09-04
3,797 reads
Using the DbFit Framework for Data Warehouse Regression Testing
It is ironic that the users of database application need to rely on the very technologists that created the system to then devise and run their acceptance tests. Surely someone has devised a test system for databases that is simple enough for ordinary tech-savvy people to use and for them to create the tests? Yes they have. Fitnesse DbFit is a mature product that can, and does, test SQL Server databases, and Nat Sundar explains how to set it up and do it.
2017-05-18
3,142 reads
Mastering Dimensions of Time
A method to create and populate Date and Time dimension tables for a data warehouse project.
2014-01-21
12,434 reads
Data Warehouse Development: Version 0
What do you do first when developing a data warehouse? MVP Andy Leonard brings us a look at the foundation he uses, which might surprise you.
2011-04-07
9,070 reads
Blogs
Migrate datetime data to datetimeoffset with AT TIME ZONE
By Will Assaf
I recently reviewed, worked on, and added a similar example to the DATETIMEOFFSET Microsoft...
The Comprehensive Guide to Mastering Your SQL DBA Skills
Database administrators (DBAs) are the backbone of data-driven organizations. If you're looking to break...
Friday Basics: Authentication vs. Authorization
By Brian Kelley
Another security fundamentals topic is authentication versus authorization. For those who have a clear...
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The Backup File Extension
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Ingest and Retrieve data from an ADX Cluster Using Python
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The DBAccountant
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Question of the Day
The Backup File Extension
I run this command in SQL Server 2022. What is the extension of the backup file?
BACKUP DATABASE HerdofTwo TO DISK = 'HerdOfTwo_20240501'See possible answers