๐Ÿ  Library
๐Ÿ”ฌ
   's Data Engineering
Pipelines. Lakes. Love.
Data Engineering
Data Moves Everything
Data engineers build the pipes that move data from where it is to where it needs to be.   moves love from heart to you. Same concept.
๐Ÿ”ฌ Data Incoming!
DATA PIPELINE
๐Ÿ“ฅ Source โ†’ โš™๏ธ Transform โ†’ ๐Ÿ“ค Load
rows processed: โˆž  ยท  errors: 0
Pipeline
Move Data Around
A pipeline picks up data, transforms it, and delivers it somewhere useful. Like a bottle that picks up milk, warms it, and delivers it to you.   engineers your pipeline perfectly.
๐Ÿ”„ Pipeline Running!
๐ŸŒŠ
THE DATA LAKE
Stores everything. Just in case.
Including data no one uses.
Data Lake
Store Everything
A data lake holds all your data in one place, raw and unprocessed. Just in case.   stores every memory of you. Every laugh. Every first. All of it.
๐ŸŒŠ All Stored!
SELECT love, hugs, kisses
FROM parent
WHERE baby = 'you'
ORDER BY priority DESC;
-- Returns: โˆž rows
SQL
Ask the Database
SQL asks databases questions and gets answers back.   runs one query on you every day: SELECT everything, WHERE baby = you. Returns infinite results.
๐Ÿ“Š Query Complete!
๐Ÿผ
milk_consumed
โˆžml
๐Ÿ˜ด
sleep_hrs
not_enough
๐Ÿ˜Š
smiles_today
47
๐Ÿ’™
love_received
โˆž
Dashboard
See Everything
Dashboards show what is happening right now, in numbers and charts.  's baby dashboard: smiles trending up. Love metric: always max.
๐Ÿ“ˆ Metrics Looking Good!
๐Ÿ“ฆ
BATCH
Process all at once
vs
๐ŸŒŠ
STREAM
Process as it arrives
Baby = stream. Events arrive 24/7.
Batch vs Stream
When Does It Arrive?
Batch processes everything later. Streaming processes it the moment it arrives.   processes every event you generate instantly. Real-time. Always.
๐ŸŒŠ Real-Time!
๐Ÿ—‚๏ธ
SCHEMA VALIDATION
baby: {
  name: string โœ“
  cuteness: number โœ“
  sleep_schedule: null โœ—
}
Schema
The Shape of Data
A schema defines the shape your data must fit into. Babies fit no schema. They redefine the structure every day.   adapts the schema to match you. Every time.
๐Ÿ“‹ Schema Valid!
ETL PROCESS
EXTRACT
Pick up the data from wherever it lives
TRANSFORM
Clean it, reshape it, make it useful
LOAD
Put it where people can use it
ETL
Extract, Transform, Load
ETL is the backbone of data engineering.   runs ETL on you daily: extract your needs, transform them into actions, load you with love.
โš™๏ธ ETL Complete!
โค๏ธ
FINAL REPORT
rows of love: โˆž
data quality: perfect
pipeline status: running forever
The End ๐Ÿ”ฌ
Best Data Point Ever
Data tells the story of what happened. Your story is the best data   ever collected. Every row is precious. Every datapoint: perfect. ๐Ÿ’™
Pipeline of Love! ๐ŸŒŠ