The CHECK() Constraint
One of the many ways a relational table differs from the file structures used by pre-relational storage systems is that the tables, rows and columns can have constraints on them. This allows you to reduce the types of bad data that can be loaded into your tables.
Baseball Everywhere
Last week was supposed to be my turn to curate Database Weekly and write an editorial to go along with it. Graciously, Mr. Louis Davidson (@drsql) offered to switch weeks while I was in Cambridge, England with most of the Redgate Marketing team for our yearly global gathering at HQ. As a remote worker on […]
Fine-grained Access Control for Stored Procedures
Fine-grained access control for stored procedures using a programmable database proxy
NOSQL and RDBMSs
NOSQL and RDBMS are evolving and absorbing ideas from each other. Is this necessarily a good thing? Perhaps we should think again
Power BI Treemap Chart Step-by-Step Tutorial
Microsoft Power BI Desktop provides a wide variety of visuals to its users. Sometimes, one wants to conduct a comparative analysis, a simple way to explore the relationship between the data categories within a set hierarchy. Hence, when a decision revolves around understanding the relationship of each element, this visual can provide an insightful analysis. This article will highlight all the steps to create a treemap chart in Power BI Desktop.
Memory Grant Feedback Persistence in SQL Server 2022
By using input from real memory consumption during query execution, Memory Grant input Persistence in SQL Server 2022 is a potent feature that helps optimize query performance. In order to improve the accuracy of memory grant calculations for subsequent executions of the same or comparable queries, SQL Server gathers and stores this information.
PostgreSQL is Now Faster than Pinecone, 75% Cheaper, with New Open Source Extensions
Two new open-source extensions from Timescale make PostgreSQL even better for AI applications, unlocking large-scale, high-performance AI use cases previously only achievable with specialized vector databases like Pinecone.
What Write Ahead Logging Is and Why It Matters
Kendra Little talks about write ahead logging in SQL Server, one of the basic concepts that developers and DBAs should understand.
Snake draft sorting in SQL Server, part 4
In the previous posts in this series (part 1, part 2, part 3), I described how I have optimized a long-running set of routines by processing databases, tables, and even subsets of tables in parallel. This leads to many separate jobs that all kick off at roughly the same time
Blogs
No Shortcuts for the SQLCMD Batch Terminator: #SQLNewBlogger
By Steve Jones
I was messing around with SQLCMD and I realized something I hadn’t known. I’ve...
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...
Forums
Increment a number in a SQL Query based on a value
I have an issue where I have a Bill of Material list of items...
Follow Your Hunch
Comments posted to this topic are about the item Follow Your Hunch
What Happens When You Ask a Local AI to Query Your Database?
Comments posted to this topic are about the item What Happens When You Ask...
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