Author: Jose S
SQL Tutorial 1: Setting Up Your SQL Playground
Set up a low-drama SQL playground with SQLite first, then compare common engines for later work. Create the toy customers and orders tables in your head and on…
SQL for Beginners: What is SQL and Why You Should Learn It
SQL is how you ask a database for answers instead of scrolling forever. This intro explains tables, the toy customers and orders schema, why SQL still matters at…
Data clean rooms: share insights without shipping raw files
Partners want overlap metrics. Nobody should email a customer CSV “just this once.” Data clean rooms let parties compute under rules and return aggregates. Learn when they help,…
Data governance 101: rules people can actually use
Finance and marketing disagree on “active customers” again. Data governance is the set of owners, definitions, and quality rules that stop that fight. Here is a practical loop…
Master data management: one golden record that sticks
Three systems, three versions of the same customer, broken LTV. Master data management creates authoritative records for shared entities and publishes them. Architecture patterns, match rules, and a…
