ETL Antipattern: Skipping The Documentation
Documentation is an asset that is both loathed and loved. Creating technical and business documentation is often looked upon as a tedious chore, something that really ought to be...
2020-12-20
21 reads
Tim Mitchell
ETL Antipattern: Load Processes that Don’t Scale
One of the most significant design considerations in ETL process development is the volume of data to be processed. Most ETL processes have time constraints that require them to...
2020-12-19
275 reads
ETL Antipattern: Load Processes that Don’t Scale
One of the most significant design considerations in ETL process development is the volume of data to be processed. Most ETL processes have time constraints that require them to...
2020-12-19
17 reads
ETL Antipattern: Failure to Test and Validate
“If it compiles, it works.” – An unemployed developer Building ETL processes is quite easy. Building ETL processes that deliver accurate results as quickly as possible is substantially more...
2020-12-18
35 reads
ETL Antipattern: Failure to Test and Validate
“If it compiles, it works.” – An unemployed developer Building ETL processes is quite easy. Building ETL processes that deliver accurate results as quickly as possible is substantially more...
2020-12-18
21 reads
ETL Antipattern: Failing to Treat ETL Logic as Source Code
In most data projects, building the extract-transform-load (ETL) logic takes a significant amount of time. Enterprise ETL processes must do several things well: retrieve enough data to satisfy the...
2020-12-17
40 reads
ETL Antipattern: Failing to Treat ETL Logic as Source Code
In most data projects, building the extract-transform-load (ETL) logic takes a significant amount of time. Enterprise ETL processes must do several things well: retrieve enough data to satisfy the...
2020-12-17
23 reads
ETL Antipattern: No Error Handling Logic
I usually avoid talking about technology in absolutes, but here’s one that I can share without reservation: On a long enough timeline, every single ETL process will eventually fail....
2020-12-28 (first published: 2020-12-16)
518 reads
ETL Antipattern: No Error Handling Logic
I usually avoid talking about technology in absolutes, but here’s one that I can share without reservation: On a long enough timeline, every single ETL process will eventually fail....
2020-12-16
23 reads
ETL Antipattern: Lazy Metadata
If data is a train, then metadata is the track on which it travels. A good metadata definition in ETL processes will help to ensure that the flow of...
2020-12-15
48 reads
Blogs
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Flyway Tips: Analytics Platforms (Snowflake and Databricks)
By Steve Jones
I’m really excited about some growth in Flyway support. I’ve been asking about this...
Forums
Pay for Performance
Comments posted to this topic are about the item Pay for Performance, which is...
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Question of the Day
Too Many Choices
I have a table, dbo.MasterBrands, with this data:
BrandID OfficialName 1 Samsung 2 Apple 3 Microsoft 4 Adidas 5 Coca-ColaI run this query. What is returned for Coca-Cola?
SELECT CHOOSE(BrandID, 'Conglomerate', 'Tech and Design', 'Desktop', 'Apparel') FROM dbo.MasterBrands;See possible answers