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QUIZ GAME: Database

            Written: Maryna Pylnyk, 18/03/2017     

Did you know that before MySQL 5.7.7, subqueries cannot be used in the FROM clause of a view

MySQL : Which one of the following operations is not correct:

MySQL : Which of these storage engine doesn't support TEMPORARY tables?

MySQL : Is the following query correct?

SELECT SQRT(field1*field2) AS cnt FROM table1
      GROUP BY cnt HAVING cnt > 0;

MySQL : What the result is of the query

SELECT IF(3<2,2,3);

Mysql. For synchronous data replication What would you use?


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Tools (
Gioco: allenamento con la tastiera Strumenti di codifica/decodifica URI (%-encoding) e Base64 Strumenti di calcolo online per IP e Reti
Quiz game