You never heard of Rick Houlihan? He is the 90% of DynamoDB Evangelism...
At the same time you are able to this internal lookups? Do you work with DynamoDB?
AWS re:Invent 2018: Amazon DynamoDB Deep Dive: Advanced Design Patterns for DynamoDB (DAT401)
https://youtu.be/HaEPXoXVf2k
AWS re:Invent 2018: Amazon DynamoDB Deep Dive: Advanced Design Patterns for DynamoDB (DAT401) https://youtu.be/HaEPXoXVf2k
AWS re:Invent 2019: [REPEAT 1] Amazon DynamoDB deep dive: Advanced design patterns (DAT403-R1) https://youtu.be/6yqfmXiZTlM
AWS re:Invent 2020: Amazon DynamoDB advanced design patterns – Part 1 https://youtu.be/MF9a1UNOAQo
AWS re:Invent 2020: Amazon DynamoDB advanced design patterns – Part 2 https://youtu.be/_KNrRdWD25M
AWS re:Invent 2021 - DynamoDB deep dive: Advanced design patterns https://youtu.be/xfxBhvGpoa0
Amazon DynamoDB | Office Hours with Rick Houlihan: Breaking down the design process for NoSQL applications https://www.twitch.tv/videos/761425806