Are there sites where you can practice composing long queries?
Closed due to the fact that it is necessary to reformulate the question so that you can give an objectively correct answer by the participants of D-side , Kromster , pavel , Bald , Nicolas Chabanovsky ♦ Oct 28 '16 at 11:07 .
The question gives rise to endless debates and discussions based not on knowledge, but on opinions. To get an answer, rephrase your question so that it can be given an unambiguously correct answer, or delete the question altogether. If the question can be reformulated according to the rules set out in the certificate , edit it .
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2 answers
Yes, http://sql-ex.ru/
minamoto minamoto
3,981 9 nineteen
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rgrty.ru/sqltest Here you can acquire practical skills online and test your knowledge of Firebird, MS SQL, Oracle
Vyacheslav danshin
1,177 four 21
Alex alex
nineteen
- Try to give detailed answers - Vyacheslav Danshin
- @VyacheslavDanshin, the question itself implies a link to the answer. kmk, here a more detailed answer is not particularly needed. - pegoopik
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