Can MongoDB be used instead of MySql for normal tasks?

Question

MongoDB

Well, for example, for a blog site or a forum, can MongoDB be used without MySql?
Does MongoDB have indexes on individual JSON fields as in MySql on columns?
So does MongoDB override the core functionality of MySql?

Answer 1

So does MongoDB override the core functionality of MySql?

The main function of mysql and all other relational databases is the relation.
That is, work with multiple tables and relationships between these tables. All these joins
If you don't need it, you can come up with your own data storage logic and store it either in mongo or in a csv file

Answer 2

can