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 […]
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.
Blogs
In Memory of Andrew Clarke, AKA Phil Factor
By Steve Jones
One of the parts of getting older that really sucks is I seem to...
Leading Through the Noise: Harnessing Data in the Age of Digital Overload
By Chris Yates
The New Leadership Frontier In today’s digital landscape, leaders are no longer just visionaries....
A New Word: Anderance
By Steve Jones
anderance – n. the awareness that your partner perceives the relationship from a totally...
Forums
taking the rcsi dive
Hi, we put together an extract that runs every 15 minutes against what i...
Parameter Sensitive Plan Optimization in SQL Server 2022
Comments posted to this topic are about the item Parameter Sensitive Plan Optimization in...
Minimum Change Tracking Retention
Comments posted to this topic are about the item Minimum Change Tracking Retention
Question of the Day
Minimum Change Tracking Retention
If I am running this code:
ALTER DATABASE AdventureWorks2017 SET CHANGE_TRACKING = ON (CHANGE_RETENTION=xxx);What is the minimum amount of time I can set? See possible answers