Introduction to databases:

https://www.youtube.com/watch?v=CM0Fi7gJpNE&list=PL99-DcFspRUpoiVzt4T4vrBsWu-XVC_L5&index=1

CREATE TABLE

https://www.youtube.com/watch?v=CM0Fi7gJpNE&list=PL99-DcFspRUpoiVzt4T4vrBsWu-XVC_L5&index=2

INSERT INTO

https://www.youtube.com/watch?v=0b8dIOp72Es&list=PL99-DcFspRUpoiVzt4T4vrBsWu-XVC_L5&index=3

SELECT, FROM and ORDER BY

WHERE

JOINS

GROUP BY, HAVING and aggregate functions

UNION

Subqueries

Useful functions

Update, Alter, Drop, Delete and Truncate

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