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MongoDB

 MongoDB is an open source, document-based database management system that does not require a table schema description. MongoDB - classified as NoSQL and uses JSON-like documents and a database schema. If all four previous DBMSs are well known to most IT professionals, then few have heard of MongoDB. But she confidently takes the 5th line in almost all ratings. And as a result, in our ranking, she also occupies the 5th position.

Почему часто включается вентилятор охлаждения двигателя

Why does the engine cooling fan often turn on

Какой должна быть оптимальная температура работы двигателя

What should be the optimum operating temperature of the engine-Какой должна быть оптимальная температура работы двигателя

Для чего нужен катализатор и как он влияет на работу двигателя

What is a catalyst and how does it affect engine performance?-Для чего нужен катализатор и как он влияет на работу двигателя