Difference between revisions of "SQL"
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* https://de.wikipedia.org/wiki/SQL | * https://de.wikipedia.org/wiki/SQL | ||
= Fiddles = | = Fiddles = | ||
| − | * http://sqlfiddle.com/#!5/ | + | * http://sqlfiddle.com/#!5/7938a/1 |
* https://www.db-fiddle.com/f/kUnajtCwrSZo9iNNTPXEXr/0 | * https://www.db-fiddle.com/f/kUnajtCwrSZo9iNNTPXEXr/0 | ||
| + | |||
= Tutorials = | = Tutorials = | ||
* https://sqlbolt.com/ | * https://sqlbolt.com/ | ||
* [https://sqlzoo.net/wiki/SQL_Tutorial SQL Zoo] | * [https://sqlzoo.net/wiki/SQL_Tutorial SQL Zoo] | ||