package Ġcom . mat vey ev . buy faster . data Ċ Ċ import Ġandroidx . room . Dao Ċ import Ġandroidx . room . Insert Ċ import Ġandroidx . room . Query Ċ Ċ @ Dao Ċ interface ĠDep DAO Ġ{ ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġdepartment ") ĊĠĠĠ Ġfun ĠgetAll (): ĠList < Dep DB O > ĊĊĠĠĠ Ġ@ Insert ĊĠĠĠ Ġfun Ġinsert ( dep DB O : ĠDep DB O ) ĊĊĠĠĠ Ġ@ Query (" DELETE ĠFROM Ġdepartment ") ĊĠĠĠ Ġfun Ġdelete All () Ċ }