Popular SQL Courses
Learn how to create and query relational databases using SQL in just two hours.
Accompanied at every step with hands-on practice queries, this course teaches you everything you need to know to analyze data using your own SQL code today!
Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.
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MySQL Basics Cheat Sheet
With this MySQL basics cheat sheet, you'll have a handy reference guide to basic querying tables, filtering data, and aggregating data
PostgreSQL Basics Cheat Sheet
With this PostgreSQL cheat sheet, you'll have a handy reference guide to basic querying tables, filtering data, and aggregating data