REST service CRUD operations with database(SQL)

Question

Hii
 
I want to develop REST services in which I want to implement all the operations(Create,Read,Update,Delete) methods with database i.e I have to save the data to SQL database,update the data ,delete the data and get data from database.I browsed through google but couldn't find a better approach.How to perform these operations using REST services..?
 
Thanks in advance,,,