Mount an Azure Data Lake Storage Gen2 Account in Databricks
In this article we will walk through a clear end-to-end process of securely mounting an ADLS gen2 account in Databricks.
2021-09-17
Storage
Simple Talk Storage 101 by Robert Sheldon
The only way to derive meaning from the massive amounts of data collected today is to develop innovative high-performing, high-capacity storage solutions. In this book, Robert Sheldon explains the many types of storage currently available and what's on the way.
2021-06-11
Azure Storage: Blob and Data Lake Storage Gen2
Introduction Azure Storage is the service for storing different types of data. A storage account is created first. The storage account provides a unique namespace for different types of Azure storage data accessible from anywhere in the world over HTTP or HTTPS. Data in the Azure storage account is durable and highly available, secure, and […]
2021-06-14 (first published: 2021-05-01)
7,397 reads
Storage 101: RAID
RAID has been around since the 90s to ensure performance and reliability of storage. Robert Sheldon explains the history and theory behind RAID.
2021-03-11
Azure Blob Storage Data Upload with SSIS
In this article we look at how to upload and download files from Azure Storage using SQL Server Integration Services.
2021-01-15
Storage 101: Modern Storage Technologies
In this article of the series, Robert Sheldon discuses emerging trends in storage like virtual SANs, intelligent storage, computational storage and storage-class memory.
2020-06-05
Storage 101: Understanding the Hard-Disk Drive
In this article in the series, Robert Sheldon provides a deep dive into HDDs.
2020-03-09
DBA Walkthrough – Adding space on IBM AIX Power Machines
Learn how to manage storage/filesystems on IBM AIX - Power machines. Learn from this demo of expanding a filesytem on AIX so that your DBA's get a high level overview of how AIX storage management works.
2019-05-21
1,455 reads
Blogs
Counting Groups with Window Functions: #SQLNewBlogger
By Steve Jones
I looked at row_number() in a previous post. Now I want to build on...
The query processor ran out of internal resources and could not produce a query plan – When You’ve Managed to Confuse SQL With a Crazy IN Clause.
Recently I received a cry for help over Teams. The issue was that an...
Extending a SQL Server Failover Cluster Across Regions in Google Cloud Platform (GCP)
By davebem
I was the principal author of this SIOS whitepaper, which describes how to build...
Forums
How to determine if a DB is currently being used
Hi - I'm looking for advice regarding the best & quickest way to establish...
Data cleansing/conversion tool HPE
Hello. I am looking for a tool Data cleansing/conversion, was recommended HPE any...
System views in a contained availability group
I have a query that runs in a job to check on orphaned users....
Question of the Day
The LAGging NULL
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers