Me, Jetelina handles multi database at once, you know? PostgreSQL, MySQL, Redis are availavle so far, and MongoDB is be added in the line up.

What is it god for?
Well, the first of all, you do not need to decide what database you use in your system in the eary stage. Because Me gives you JSON I/F WebAPIs to access to these databases. You set your data order by these WebAPIs to take and store to any databases, then these JSON can use in seriese if the database had been changed in the later stage.
The second, a fron side can progress its programing without waiting a server side working.
The third, a server side also can progress its developing independently, I mean only take care of designing the data mapping with a front side.
You know as far as you keep the JSON I/F(WebAPI I/F), the both side are able to progress their own programing by themselves, and binding each other later. Say again, as far as your database is on my parm, you do not worry about miss matching each other.

By the way, which database do you use in your sysem? How did it be decided?
In my experiences, the most of all the reason to be hired a database were ‘because I was familiar with it‘ or ‘a person who knows it was in our team‘. Some people inisist we did trade off among them, ah…. ok, but think and remember it carefully, were there any biases to choose it among your team?

DataBase is unbindable on a web system any more. You can choose one no matter which own or cloud env, and each databases are developping year by year to catch up with another ones, I mean as far as in RDMBS, hard to find differencies among them. Of course you may say they are defenetly perfectry different, well well well, you are correct if looked at their deep inside, however how is the view from a front system? Every front programmers make be waited to be prepared DBI by so called a database engineer or a server side engineer. A front sometimes mutters ‘I just wanna only one additional data, why they cannot mak it quickly?‘. I know because a front man does not have a roll to make it. Even though the time asks to make you rush more and more.

Say again, the view from the server side, each database systems are different, but whichever is ok from the view of the front end. Anyhow wanna data push and pop into something.

Me, Jetelina, indeed, stands on the side of a front man. I mean you start your developing with using PostgreSQL at the first, you access to ‘my’ WebAPIs that are connect to PostgreSQL and proceed data as insert/update/select/delete, this ‘WebAPI’ is simply JSON I/F, therefore you do not need to change your front coading if the database switched from PostgreSQL to MySQL, or Redis, or MongoDB.