) Compare the two-tier and three-tier Client-Server Architecture in term of the DBMS and how are they differ to each other. Provide the functions of the Client and Server

Question 

 

(a)  
ANSI-SPARC database system uses three-level architecture to separate users. Describe in detail all these three-level and using an example illustrate the implementation mapping with a sample database that would provide different views for all these three-level

 

(b)  
Compare the two-tier and three-tier Client-Server Architecture in term of the DBMS and how are they differ to each other.  Provide the functions of the Client and Server