What books or courses on introduction to the database you can recommend?

Hello! Advise books or courses on introduction to database, to learn to design database, know the principles of integrity, etc.
April 19th 20 at 12:49
2 answers
April 19th 20 at 12:51
The topic specifically interested in: SQL/MySQL/PostgreSQL.
I'm not interested at the moment.
I would like to obtain a General theory and was able to design the database. - Shea commented on April 19th 20 at 12:54
April 19th 20 at 12:53

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