ETLMOD.ETL-07 · v1.0

Pipelines for
real workloads,
not demos.

7 micro-lessons · ~54 min · Real Docker images

THE SPLITTER · LIVE
CDC · DEBEZIUM 2.5
STREAMING
~120ms~14s~2.4s
SOURCEpostgres
LAKE
WAREHOUSE
SEARCH
SPLIT · one source, three idempotent sinks
ETLDATA ENGINEERING

ETL/ELT, CDC & real-time integration

Move data without losing it. CDC, idempotency, schema evolution.

WHY THIS MATTERS · IBM 2026 DATA GUIDE
Lists ETL, ELT, change data capture, real-time data integration, cloud integration, and interoperability as key data-integration topics.
WHAT YOU'LL LEARN
01ETL vs ELT in 2026
02Debezium CDC patterns
03Idempotent sinks
04Schema evolution
05Real-time integration with Kafka Connect
YOU'LL BE ABLE TO
Run Debezium without panicking
Build idempotent sinks
Evolve schemas without 4 a.m. pages
SKILLS YOU'LL GAIN

Real skills, real career delta.

Skills you'll gain

07
  • Run Debezium without panickingWorking

    Outcome from completing the course: run debezium without panicking.

  • Build idempotent sinksWorking

    Outcome from completing the course: build idempotent sinks.

  • Evolve schemas without 4 a.m. pagesWorking

    Outcome from completing the course: evolve schemas without 4 a.m. pages.

  • ETL vs ELT in 2026Working

    Covered in lesson sequence — drop-in ready.

  • Debezium CDC patternsWorking

    Covered in lesson sequence — drop-in ready.

  • Schema evolutionWorking

    Covered in lesson sequence — drop-in ready.

  • Real-time integration with Kafka ConnectWorking

    Covered in lesson sequence — drop-in ready.

RUNNABLE ON YOUR MACHINE
$ docker pull snap/etl-cdc:lesson-01
$ docker run --rm -it snap/etl-cdc:lesson-01
snap/etl-cdc:lesson-01
QUICK PREVIEW · 7 MIN
VERIFIED ENGINEER REVIEWS
Idempotent-sinks lesson is non-negotiable for new hires.
@cdc_chikaVERIFY ON GITHUB
Schema evolution: practical, lossless, runnable.
@devops_julesVERIFY ON GITHUB
LESSONS7
HOURS~0.9
LEARNERS1,740
THIS WEEK+9%