Configure Additional Content Database for a SharePoin 2010 web application

we have one web application, one database

 

we want to have another database for current web applcation

 

Central administration --> manage content databases 

 

Create another content database

Can see the newly created database in centarl administration 

                                     Can see the created database in SQL management studio also

 

View current databases and site collections related with them in CA

Now create a site collection

 

Can see the newly created site relates with additional content database

 

It is hazard free. No problems with large size content databases. No issues with backup, restore process of web applications.