Passing status messages and results back from Databricks to ADF
When we use ADF to call Databricks we can pass parameters, nice. When we finish running the Databricks notebook we often want to return something back to ADF so...
2020-02-05
3 reads
Ed Elliott
Spark Delta Lake, Updates, Deletes and Time Travel
When you use delta lake there are a couple of interesting things to note based around the fact that the data is stored in parquet files which are read-only...
2020-01-20
13 reads
Spark Delta Lake, Updates, Deletes and Time Travel
When you use delta lake there are a couple of interesting things to note based around the fact that the data is stored in parquet files which are read-only...
2020-01-20
2 reads
SQLCover 0.5 - Fixes, smaller features and an exciting surprise
It has been a little while but I have updated SQLCover to include a number of fixes and small features, the majority of which are improvements to the html...
2019-10-30 (first published: 2019-10-16)
408 reads
Validating upstream data quality in ETL processes, SQL edition
It is a non-null constraint, not a non-ish-null constraint You are writing an ETL process, part of this process you need to import a semi-structured file (think CSV, JSON,...
2019-10-28
169 reads
Validating upstream data quality in ETL processes, SQL edition
It is a non-null constraint, not a non-ish-null constraint You are writing an ETL process, part of this process you need to import a semi-structured file (think CSV, JSON,...
2019-10-28
7 reads
SQLCover 0.5 - Fixes, smaller features and an exciting surprise
It has been a little while but I have updated SQLCover to include a number of fixes and small features, the majority of which are improvements to the html...
2019-10-16
6 reads
How to test ETL Processes in production
This is the final part in the four-part series into testing ETL pipelines, how exciting!
Part 1 - Unit Testing https://the.agilesql.club/2019/07/how-do-we-test-etl-pipelines-part-one-unit-tests/ Part 2 - Integration Testing https://the.agilesql.club/2019/08/how-do-we-prove-our-etl-processes-are-correct-how-do-we-make-sure-upstream-changes-dont-break-our-processes-and-break-our-beautiful-data/ Part 3...
2019-10-02
122 reads
How to test ETL Processes in production
This is the final part in the four-part series into testing ETL pipelines, how exciting!
Part 1 - Unit Testing https://the.agilesql.club/2019/07/how-do-we-test-etl-pipelines-part-one-unit-tests/ Part 2 - Integration Testing https://the.agilesql.club/2019/08/how-do-we-prove-our-etl-processes-are-correct-how-do-we-make-sure-upstream-changes-dont-break-our-processes-and-break-our-beautiful-data/ Part 3...
2019-10-02
8 reads
How to connect spark to ms sql server without '[Error] [JvmBridge] java.sql.SQLException: No suitable driver'?
“[Error] [JvmBridge] java.sql.SQLException: No suitable driver” - unable to connect spark to Microsoft SQL Server.
In spark when you want to connect to a database you use Read() passing in...
2019-10-01
424 reads
Blogs
Ramblings about data communities and your contributions, no excuses
By DataOnWheels
I have been active in the data community throughout my career. I have met...
SQL Server Journey till 2025 (brief)
By Vinay Thakur
Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...
Building Power BI Reports: Desktop vs Fabric
By James Serra
Why this comparison feels confusing If you’re a Power BI report author who’s just...
Forums
Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)
SQL Server is typically viewed as a transactional or analytical database engine. However, it...
Azure SQL Database | CREATE EVENT SESSION [Blocking_Capture] ON DATABASE
Hello, Is there a way in Azure SQL Database to change the 'Blocking Process...
Having a Little Fun at SQL Server Central
Comments posted to this topic are about the item Having a Little Fun at...
Question of the Day
String Similarity I
On SQL Server 2025, when I run this, what is returned?
SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL') See possible answers