Flyway with MariaDB for Those of a Nervous Disposition
This article will get you up and running quickly with Flyway migrations on MariaDB or MySQL databases, from PowerShell.
Learn about SQL Joins on Multiple Columns
Learn about joining SQL Server tables together for a query when there is a need to join on multiple columns.
CData Connect: Derived Views and Query Federation
Enterprise-scale data integration demands scalable tools to not only centralize and curate data at scale, but also efficiently explore and analyze data at large-scale. CData Connect solves the challenge of data exploration and discovery through virtualized connectivity to data distributed across many data sources. In this article, we explore the Derived Views and Query Federation features […]
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 […]
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...
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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