Spark .NET - Spark ML TF-IDF
Spark ML in .NET for Apache Spark Spark is awesome, .NET is awesome, machine learning (ML) is awesome, so what could be better than using .NET to write ML...
2020-07-07
20 reads
Ed Elliott's Sql Developer Blog
TF-IDF in .NET for Apache Spark Using Spark ML
Spark ML in .NET for Apache Spark Spark is awesome, .NET is awesome, machine learning (ML) is awesome, so what could be better than using .NET to write ML...
2020-07-07
Approaches to running Databricks ETL code from Azure ADF
Databricks is fantastic, but there is a small issue with how people use it. The problem is that Databricks is all things to all people. Data scientists and data...
2020-06-03
175 reads
The four tenets of ETL testing
Every ETL pipeline is only ever as reliable as the data that the upstream system provides. It is inevitable that assumptions you make about the data you are provided...
2020-03-06
2020-02-21
1 reads
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
4 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
1 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
140 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)
384 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
51 reads
Blogs
Migrating SQL Server container images to the Github Container Registry
A couple of months ago Docker announced that they would be implementing a 6...
Daily Coping 29 Oct 2020
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
What do they want to hear?
I was helping my 16yo write his first college essay the other day. He’s...
Forums
Better SQL Server Agent Job Failure Monitoring
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Looking for good beginner Data Base Administration book for advanced developer
Hello SSC, I have been a SQL developer for close to 20 years. I...
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