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What is SQL Cards?
SQL Cards is a set of cards that help you to learn — or teach — the SQL language used to query relational databases. This is free under CC BY-NC-SA 4.0 license.
![SQL Cards media 1](https://ph-files.imgix.net/31cfbfa6-d5da-4e23-b3d4-5898c25f92a4.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=256&h=160&fit=crop)
![SQL Cards media 2](https://ph-files.imgix.net/801c0156-f023-416f-9335-e6c98438bd6a.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=256&h=160&fit=crop)
![SQL Cards media 3](https://ph-files.imgix.net/ff8443ef-6128-4c91-a9c5-2ba23454ae38.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=256&h=160&fit=crop)
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SQL Cards
SQL Cards is a set of cards that help you to learn — or teach — the SQL language used to query relational databases.
This is free under CC BY-NC-SA 4.0 license.
![SQL Cards image](https://ph-files.imgix.net/31cfbfa6-d5da-4e23-b3d4-5898c25f92a4.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=150&h=90&fit=crop)