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Programming Ecto: SQL Joins (Page 30)

timpritlove

timpritlove

Programming Ecto: SQL Joins (Page 30)

The book is referring to an external site http://www.sql-join.com stating “If you need a primer on joins (or even a refresher), the SQL-Join website provides some detailed examples.”

However, this website seems to no longer exist and gets redirected to a company website https://www.talend.com that does not explain anything about SQL or Joins.

I would suggest linking to the Wikipedia page https://en.wikipedia.org/wiki/Join_(SQL) or other stable resources instead.

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timpritlove

timpritlove

As a general note, maybe it would be better to generally link to your own link redirect so that you can change the links later when evil things happen to those given.

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