Who could tell where to get the SQL code to quickly create a table?

For study and a variety of pampering with the table would like to create a moderately large balanced variety of the data table. To fill in myself, even values of 20, Lyonka + not sure I choose the right architecture and experiments will be uninteresting. Could someone throw an online generator for something special, or the code?
Google, alas, failed, not found anything.
Thank you for your attention and help!
July 2nd 19 at 18:10
3 answers
July 2nd 19 at 18:12
Solution
Thank you very much. Wonderful materials - and right under your nose :) - albin.Gerho commented on July 2nd 19 at 18:15
July 2nd 19 at 18:14
Solution
You can offer to find dumps of the database of all Russian classifications
www.classbase.ru/download
or, for example, FIAS
basicdata.ru/download/fias
But I found Google
fkn.ktu10.com/?q=node/7216
and
www.drupal.ru/node/23269
here is a database of countries and their cities in json
https://raw.githubusercontent.com/David-Haim/Count...
and generally that's a cool generator, in any format, you can generate a lot of data
www.generatedata.com
And
https://www.mockaroo.com/
And now, but will have to prise the data from other formats
www.databasetestdata.com
And here you can find a DataModel for inspiration on your test database, but create tables and relationships will have to write yourself (this is not supposed to be Lyonka, and need the practice)
www.databaseanswers.org/data_models
To search was Lyonka. Well, you understand.
Understood. Very thorough, thank you ) - albin.Gerho commented on July 2nd 19 at 18:17
July 2nd 19 at 18:16
You may create, it is extremely useful, especially if you do on the Web-stack.
All that there is - pathetic.

not sure I choose the right architecture and experiments will be uninteresting

That's up to you, and only you, no one will decide for you!
If that doesn't work correctly, it is at the "wrong" architecture experiments, by definition, will be interesting and useful.

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