Declarative SQL: Using UNIQUE Constraints
In SQL, you can express the logic of what you want to accomplish without spelling out the details of how the database should do it. Nowhere is this more powerful than in constraints. In this introduction to Declarative SQL, Joe Celko demonstrates how you can write portable code that performs well and executes some complex logic, merely by creating unique constraints.
Security Decisions
This week Steve Jones looks at how we make secutiy decisions for our systems, and whether this is really the best way to do things.
Exploration of SQL Server 2016 Always Encrypted – Part 1
With the introduction of SQL Server 2016 you now have a new way to encrypt columns called Always Encrypted. With Always Encrypted, data is encrypted at the application layer via ADO.NET. This means you can encrypt your confidential data with your .NET application prior to the data being sent across the network to SQL Server. In this article, Greg Larson explains his experience with exploring setting up a table that stores always encrypted data.
Convert Rows into Columns
Convert the rows of a SELECT statement into a predetermined number of columns.
How Much Eventual Consistency Do You Have?
This week Steve Jones wants to know if you have eventual consistency in your environment?
Integrating Big Data Applications into Operational Environments
Integrating big data appliance solutions into a data warehouse requires preparation and forethought. DBAs and business data consumers must work together both to address the implementation issues above and to meet the needs of multiple business data consumers. Lockwood Lyon discusses the topic.
Are We Engineers?
Steve Jones continues the never ending argument of whether software developers deserve the moniker of engineer.
Database Continuous Integration with SQL CI and Jenkins
If it's deemed important to test application code as part of a CI process, the same must apply to the database. In this blog post, Jason Crease shows how to create a smooth process where you can build and deploy databases alongside your application code from within Jenkins with the SQL CI plugin.
Blogs
Where Is My SQL Agent? Running Scheduled Jobs Against Azure SQL Database
By gbargsley
One of the first things I review when I inherit a new SQL Server...
AgentDBA vs Critical SQL Server
By Arun Sirpal
It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...
Finally Cleaning Up Dropbox: Moving Almost a TB to Google Drive with rclone
By davebem
I’ve had a Dropbox account for years. Like a lot of people, I started...
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Question of the Day
Detecting Characters
I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers