A multnational cdient wants to hire you for the development of a high availability system for their new business, they wo lock in and develop a system which is not dependent on a single database engine $($DBE$),$ As a seasoned developer you are asked to somettin n$-$ber system with different database engines access from the data$-$tier of this system, without exposing the details of the DBE is the code in jave. Analyze the best practice and design patterns possible to have this implementation feasible for the client by giving then the comed Implementable piece of code. $16$ marks$]$