Be aware of the risk that you are taking when using AWS EC2 I3 instance type
The AWS I3 storage optimized instance family has a potential problem if you choose to use it for storing your data.
Unix vs PowerShell
I saw an article on using awk, sed, and grep on Linux. I used to know how to use those, though I was by no means an expert. However, working with a stream of text with an input and output was a valuable skill I've used over and over in my career. There are plenty […]
Our Top Findings from The State of Database Monitoring Survey
Over 2500 global database professionals answered questions on their experiences with database monitoring in our annual survey earlier this year. We’re creating four reports from the findings and in our first, The real-world challenges of growing server estates, you’ll discover both insights and trends along with advice for how to tackle the most common challenges.
SQL Server identity column
The SQL Server identity column is used to populate a column with incrementing numbers on insert. In this article, Greg Larsen explains how it works.
The State of Data Growth
Data continues to grow at incredible rates. That's good for those of us that make a living with data.
Array and Custom Data Types in PostgreSQL
Introduction Just like every other database, PostgreSQL has its own set of basic datatypes, like Boolean, Varchar, Text, Date, Time, etc. We can easily store data like numbers, characters, date, time, etc. using these supported datatypes, but what if we need to store multiple data elements in a single column? Suppose we are storing the […]
New Old Architectures
The idea of event driven, rather than tightly coupled architectures is one that Steve thinks data professionals should learn more about.
Oracle sequences – 12c features including “identity”
Oracle added several enhancements to the sequence object in version 12c, including an “identity” column feature. Jonathan Lewis explains how to work with these new features.
Register Now For PASS Data Community Summit 2021
Registration is now open for our free and online data platform conference. Join 1000s of your data peers at PASS Data Community Summit and get access to up to 5 days of training, sessions, networking activities, and events. This year's program has been carefully designed to help you achieve your goals, wherever you are in your data career.
Patterns and Potential Problems
We use patterns in software development to make things easier. This is especially true in database changes. Steve reminds you that all solutions might have a downside of which you need to understand.
Blogs
KDA: Echoes of Deception - Case 6
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
Capturing My Own Metrics: #SQLNewBlogger
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
Red Flags in Your Query (T-SQL Tuesday #200)
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
Forums
BIT_COUNT II
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I Can't Make You Learn
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Why Your SQL Permissions Disappeared
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Question of the Day
BIT_COUNT II
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers