How to implement database in PhoneGap App?

I'm a newbie in phonegap and i'm trying to figure out how to connect and configure my database and i've came across multiple same questions and they have been answered on stackoverflow such as

How to implement SQlite database in PhoneGap App

How to implement an SQLite database in Phonegap?

and other such questions but the problem is that i'm trying to figure out a way to implement my database in a wide sense for which i can get resources. So if you have any good ways to implement your app but for a big project what would you suggest? and please suggest any good ways to handle complexity of database in PhoneGap. Thanks in advance.