Oracle

 Oracle Database is a database management system from Oracle. This DBMS is also actively used by large companies and costs a lot of money, but in return it provides great functionality and reliability. Therefore, Oracle Database and Microsoft SQL Server are serious competitors to each other. The results of Oracle in the rankings are not so clear, for example, according to PYPL and DB-Engines, Oracle Database ranks first, according to Stack Overflow Oracle is in eighth position, according to surveys of Oracle software companies in fourth place in popularity. If we take into account only a couple of ratings, Oracle can even be put in first place, but if we take into account all the results, then Oracle cannot be put in first place, therefore, in our rating, this DBMS occupies the third line.

Earnings on social networks

 Earnings on social networks

Today, this way of earning is becoming more and more popular, it consists in placing ads in your account or group on a social network. It is very fashionable now to advertise on Instagram, but VKontakte, Facebook, and Odnoklassniki are also popular.

But as always, not everything is so simple, because in order for advertisers to want to advertise with you, you need to promote your account or group, gain a huge target audience, only in this case advertisers will contact you. And in order for your account or group to become popular, you must post high-quality content in it and actively engage in promotion.

The pluses include the fact that this way of earning does not require the creation of your own website.