Checklist after query conversion from 3.x to 7.x

Hello gurus,

Can any one post me, What all the things I need to make sure Once I convert the 3.x queries to 7.x queries. Things to be checked to make sure the conversion is successful ?

Please provide me the Checklist that has to make sure after the 3.x query converted to 7.x query.(i.e CKF, RKF..........)

Thanks in advance

John