[筆記] Ultimate AWS Certified Developer Associate (121)

Posted onAuthorANDY LIEN

章節連結

這篇筆記下 AWS 的 DynamoDB 的 PartiQL 和 Optimistic Locking 。notes-ultimate-aws-certified-developer-associate-1

課程相關資訊

[連結]：https://www.udemy.com/course/aws-certified-developer-associate-dva-c01/learn/lecture/31788068

本篇範圍：Chapter 23

請注意：本系列文章為個人對應課程的消化吸收後，所整理出來的內容。換言之，並不一定會包含全部的課程內容，也有可能會添加其他資源來說明。

內容

1. PartiQL 是種類似 SQL 的語法，可以讓你來 Insert, Update, Select 和 Delete DynamoDB 的資料
2. 可支援 batch 操作
3. Conditional Writes 就 Optimistic Locking，也就是讓你在執行 Update 或是 Delete 前確定資料沒有變動過。它是透過 Table 上的每一筆值的版本號來進行的

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