In a typical data warehousing application, quite often during the ETL cycle you need to perform INSERT, UPDATE and DELETE operations on a TARGET table by matching the records from the SOURCE table.
Something sufficiently complex, in our eyes, may appear to be magic. Steve Jones feels some of his knowledge about SQL Server looks the same way to others.
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.
A quick guide on changing the linked server properties and settings.
Despite the attention to data privacy and protection caused this year because of the GDPR, regulations governing how data is handled are nothing new. In this article, Robert Sheldon provides an overview of two US regulations, HIPAA and SOX, and explains how these regulations affect DBAs.
An SSIS package that is executed on an ad hoc basis can be run from Business Intelligence Development Studio easily enough, but a package that is going to be run on a regular schedule is best executed through a batch file using the DTExec.exe command line utility.
Brent shows you how the table joins work and points out some neat data distribution issues.
Every PostgreSQL migration eventually hits the same fork in the road. The database is...
By Steve Jones
I’m off on vacation today. Which is a little weird as I just got...
By Arun Sirpal
Every DBA has a box like this. Sitting untouched for months. Nobody’s proud of...
Comments posted to this topic are about the item Calculating Geometric Mean in Power...
Comments posted to this topic are about the item TempDB Facts I
Comments posted to this topic are about the item Have you done a Mid...
Can I set Accelerated Database Recovery on tempdb?
See possible answers