Sahil Walia · Software Engineering Radio - the podcast for professional software developers · Sahil Walia on Schema Changes and Data Migrations
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observed a column with <2% populated values was dropped, causing downstream jobs to break
<2% populated values
“The one piece of advice I would give is first normal form inside a table in Excel. So that means that where you've got different months across the top, you don't want different months. You want a column and then a single column of values.”
“The proportion of the population under 30 in 10 years' time will have dropped from 24% to 7%.”
“I made a column of all the worst things that could happen… then a column for how to minimize each… then a column for how to get back quickly”
“…we have observability baked into our governance layer… we can see what users are putting in… we can identify high value workflows and then self-deploying agents”
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