Terror in Software

ClickHouse UDFs for comparison operators, criteria tables as tuple arrays, queries with arrayAll and JSONExtractString, and a materialized view for segment membership (educational CDP-style example).

First steps with ClickHouse OLAP-Docker Compose demo, JSON type config, ReplacingMergeTree, multi-tenant entities table, inserts, queries, and FINAL for deduplication.

Capture row-level changes from PostgreSQL and stream them to Kafka using Debezium and Kafka Connect-Docker setup, connectors, and REPLICA IDENTITY for updates.