[SJC]

For 000webhost, to get the MySql details, (In the control panel, not the file manager) go to MySQL (What you click on to make/ see MySql databases), then if you already have a database made, look at the table, the database your using, and next to it it should be the three details you need, database name (when you type the database name in, dont forget to include your username, example: aksf850_adopt), database username, and the MySQL host name.
Hope that helps.