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Database playground

info

  • Updated 8/20/2022 - postgres content
  • Updated 06/2025 - Puzzles and Postgresql on k8s
  • Update 09/2025 - reorganize content, add Debezium lab

This repository supports simple studies for database playground (SQL, JPA) using technologies like db2, postgresql. duckdb. It is completed by study of some change data capture to move data from database to kafka topic.

Pure SQL play

Sql Basics, followed by intermediate queries and more complex challenges.

Technologies