Query Performance Diagnostics with sp_PerfSQ
This article discusses sp_PerfSQ a diagnostic tool designed to quantify performance features of database queries with active requests. It includes a behavioural parser and can assist in troubleshooting complex performance issues.
Bulk Loading Data via a PowerShell Script in Flyway
How to quickly and automatically bulk load test data once Flyway Teams completes a database migration. A baseline migration script creates the empty database version, which then triggers a PowerShell callback script that bulk loads in the right version of the data. It is a very fast way to provision multiple copies of a specific database version, complete with data, for ad-hoc or automated testing.
Implementing Deduplication Logic in the Lakehouse using Synapse Analytics Mapping Data Flow
Learn how to perform data deduplication for Azure Synapse Analytics using Azure Mapping Data Flows.
Stairway to SQL Server Extended Events Level 1: From SQL Trace to Extended Events
Over the course of this stairway series, we're going to explore in detail the use of Extended Events as a diagnostic data collection tool, to track down causes of poor performance in SQL Server. This first level will start from a point known and familiar to many DBAs, namely the use of SQL Trace to track down and investigate long-running queries.
Wellness Week
I work for a great company, one that I feel cares about me as more than a "resource", gives me opportunities (with responsibility and accountability), and has some nice benefits. I actually used one of those last week. I get a volunteer day every year, where I can spend time with a charity and get […]
Adding Test Data to Databases During Flyway Migrations
How to add test data to a SQL Server database, during Flyway development. We use SQL Data Generator to produce some "realistic but fake" data and then SQL Data Compare to produce an INSERT script that Flyway can use to load the data into a newly-built version of the database.
Unity state machine behaviours
Video games would not be much fun without animation. In this article, Lance Talbert demonstrates Unity state machine behaviours to define code running during specific animation states.
Is SQL Server Profiler in Azure Data Studio?
Introduction Do we have the SQL Profiler in Azure Data Studio? In a previous article, we compared SSMS and Azure Data Studio. Now we will compare the new SQL Profiler against the old one. If you check the SQL Server Profiler documentation, you will find that SQL Profiler is deprecated and that that feature will […]
The Challenge of Edge Security
We will see databases deployed on the edge, and we will need strong security patches.
Blogs
Flyway Tips: AI Deployment Script Descriptions
By Steve Jones
With the AI push being everywhere, Redgate is no exception. We’ve been getting requests,...
A New Word: Fawtle
By Steve Jones
fawtle – n. a weird little flaw built into your partner that somehow only...
Post-quantum key exchange – Insurance policy for your packets
AWS recently added support for Post-Quantum Key Exchange for TLS in Application Load Balancer...
Forums
Where Your Value Separates You from Others
Comments posted to this topic are about the item Where Your Value Separates You...
Fixing the Error
Comments posted to this topic are about the item Fixing the Error
T-SQL in SQL Server 2025: Encoding Functions
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Question of the Day
Fixing the Error
On SQL Server 2025, I have a database that has this collation: SQL_Latin1_General_CP1_CI_AS. I decide I want to run this code:
SELECT UNISTR('*3041*308A*304C*3068 and good night', '*') AS 'A Classic';
I get this error:Msg 9844, Level 16, State 4, Line 24 The char/varchar input type uses an unsupported collation. Only a UTF8 collation is supported with char/varchar input type in UNISTR function.What is the easiest way to fix this error? See possible answers