Thin vs Thick Driver
If Driver won’t require any extra Component to communicate with Database, such type of Driver is called Thin Driver.
If Driver require some extra Component (like ODBC Driver OR Vendor specific Native Libraries OR Middleware Server), such Type of Driver is called Thick Driver.
- Type-1, Type-2 and Type-4 Drivers follow 2-Tier Architecture.
- Type-3 Driver follows 3-Tier Architecture.