Data Warehouse Considerations - SCD Type 2 vs Overwrite Dimension Tables
How we handle data warehousing updates to dimension tables is crucial and this article covers Slowly Changing Dimensions versus overwriting tables.
2024-12-20
How we handle data warehousing updates to dimension tables is crucial and this article covers Slowly Changing Dimensions versus overwriting tables.
2024-12-20
How much load do real time updates place on a data warehouse? Steve has a few thoughts on the analysis of the Amazon Redshift dataset, Redset.
2024-10-07
221 reads
Learn how you can handle dimensional modeling in a data warehouse when your data uses different categorization for ages.
2024-01-12
2,883 reads
Learn the basics of Apache Druid and how it can be used to ingest data into a data lake.
2023-11-10
14,562 reads
This article discusses different approaches of Upserts (update+inserts) in Amazon Redshift
2023-08-09
30,180 reads
This article gives an overview of Amazon Redshift, the cloud data warehouse in AWS.
2023-07-24
25,597 reads
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
3,137 reads
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
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
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
By Rayis Imayev
"Dave: Open the pod bay doors, HAL.HAL: I’m sorry, Dave. I’m afraid I can’t...
By Steve Jones
Redgate acquired a data modeling tool from Vertabelo recently and I wanted to explore...
By Brian Kelley
The advantage of understanding the make-up of the exam: I can tailor my efforts...
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I run this code to connect to SQL Server 2022 from the command line.
sqlcmd -S localhost -EAt the command line, I run these two commands:
SELECT ORIGINAL_DB_NAME() GOWhat is returned? See possible answers