Help in architecture

Question

Hi Gdaftrn to all.
am new to this forum,,i dnt knw how to ask in this forum. pls correct me if am wrong
am beginer in pl/sql and searching for one opening in it
last day i go for one interviw in plsql, they ask me the architecture of oracle
i read many pdf about that i have some knowlegde also in that,bt dnt knw what all are the things to present in the interview if the oracle architecture.
pls help me
thanks

Answer 1

881760 wrote:
last day i go for one interviw in plsql, they ask me the architecture of oracle
i read many pdf about that i have some knowlegde also in that,bt dnt knw what all are the things to present in the interview if the oracle architecture.The architecture is client-server.
In a nutshell, client-server typically comprises of 3 component:
- UI = User Interface
- APP = Application
- DB = Database
These components can be arranged in different ways. For example:
.         1   2    3      4
         UI               UI
client   APP  UI   UI     APP
server   DB   APP  APP    DB
                   DB
server        DB          DBThe 1st is the so-called fat client architecture where the UI and APP together is the client.
The 2nd is the common web-based architecture, where the UI is the browser, the APP part runs on the application server layer and the bottom part is the database layer.
The 3rd basically represents something like Apex - also a web based architecture, where the UI is the browser, but the APP component resides inside the database.
The 4th is an example of distributed databases.
You can arrange these 3 basic client-server components in different ways (e.g. distributed app layers, fat client integrating with an app layer) and so on.
As long as you understand these components, understand that client-server is a software architecture (nothing to do with hardware), understand how these components integrate and communicate, understanding any specific implementation of client-server (like with Oracle) is fairly easy.