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Irreversible Changes
The day hands that only ever read finally write.
고급 · Lessons 30 · Lab 10
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Curriculum
What You Write Before You Write
There Is One Threshold Between Reading and Writing
reading
Changing Production Data Safely
lab
Quiz: What You Write Before You Write
quiz
Deciding Where to Stop, in Advance
The Decision to Stop Is Only Cheap Before You Start
reading
Encoding the Point Where You Stop
lab
Quiz: Deciding Where to Stop, in Advance
quiz
Two Approved Orders Are Not Any Two Orders
Two Approved Orders Are Not Any Two Orders
reading
Two orders approved at dawn, one still eligible by noon
lab
Quiz: Two Approved Orders Are Not Any Two Orders
quiz
Someone Changed the Data After Approval
Someone Changed the Data After Approval
reading
The Festival Cancel Button and Orders Already Changed
lab
Quiz: Someone Changed the Data After Approval
quiz
When a Change Keeps Waiting
When a Change Keeps Waiting
reading
One spinner, three separate budgets hiding behind it
lab
Quiz: When a Change Keeps Waiting
quiz
Undo Is Another Change
Undo Is Another Change
reading
The Reopened Festival and a Risky Undo
lab
Quiz: Undo Is Another Change
quiz
Resume an Interrupted Batch
Resume an Interrupted Batch
reading
The Alien Festival Cancellation Stopped at 25%
lab
Quiz: Resume an Interrupted Batch
quiz
Coexisting Schemas and Safe Contraction
Coexisting Schemas and Safe Contraction
reading
Rename a Column While the Old Badge App Is Running
lab
Quiz: Coexisting Schemas and Safe Contraction
quiz
Explain Changes with Evidence
Explain Changes with Evidence
reading
Three Changes Done, but the Space Festival Report Is Wrong
lab
Quiz: Explain Changes with Evidence
quiz
Hand Off a Customer Change End to End
Hand Off a Customer Change End to End
reading
The Festival Is Cancelled, but the Done Button Is Red
lab
Quiz: Customer Change Handoff
quiz
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