June 4, 2023, 10 a.m. | Lucas Barret

DEV Community dev.to

Maria is a SQL enthusiast who works for The Coffee Company. Maria has mainly handled the databases and ensured everything operates nicely.


Recently she discovered the MERGE commands of Postgres. She wants to create a Proof Of Concept about improving the ETL of the company processes with this command.





Data Architecture


Before manipulating any data, Maria wants to refresh her mind with the current architecture in the database.


Data architecture is simple for now, and the company does not need …

architecture coffee concept data data architecture databases etl merge postgres processes sql

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