SQ

SQL

beginner

The language every database speaks.

SQL (Structured Query Language) has been the way to talk to relational databases since the 1970s — and it's not going anywhere. Whether you write Python, JavaScript, or Java, your data almost certainly lives in a SQL database. It's arguably the highest return-on-investment language you can learn.

DatabasesData AnalysisBackend DevelopmentReportingData Engineering

0/8 lessons

Setup

The easiest way to start is SQLite — a full SQL database in a single file, no server needed. It ships with Python and most operating systems.

Bash

# SQLite comes with Python. Or download the CLI:
# https://www.sqlite.org/download.html (sqlite-tools zip)

# Then open a database (creates the file if missing):
sqlite3 mydata.db

# Or install PostgreSQL for the full experience:
winget install PostgreSQL.PostgreSQL