Answer / vijaykrishna

Application Server is server which acts as interface between
between end user and Database server . And also it is having
the several components in it. Central Instance is the
instance accessing for the Database Server through listener.
And Central Instance is one of the part of the Application
Server.

Answer / sumit kumar

central instance is a collection of several work process
such as (dwp+ewp+bwp+swp) which is connected through
dispatcher along with message server to interact with sap
user.
and application server is nothing but the collections of
central instances plus other individual instances which is
used to communicate with database system of SAP and
retreving data for the SAP users.

Answer / sanjay

why all people have given such long answers, surprise...

as per the question the answer could be Central instance is
a application server itself.

Answer / gokul

the only diff is: CI has enque lock table which requires
enque work process, which is not requirement for
application server

Answer / somasekhar.g

CI itself is a first installed application server.
and afterwards dialog instances are installed.these
CI and DI are nothingbut applicationservers.

Answer / john

AS: Is just a dialog instance.
CI: Is Dialog instance + Database Instance.

How you will get help from OSS notes?

0 Answers  

Wat s SAP? Hw u ll council a person who dont know anything abt it..

2 Answers   Infosys, Satyam,

How do you create an instance?

0 Answers  

What are the configuration details of ECC6.0? 1. Server ConfigurationèHDD, RAM, OS, DATABASE. 2. System Configurationè HDD, RAM, OS, DATABASE

1 Answers   Terrenos,

What do will do in OS level monitoring

3 Answers   HCL,

Performance tuning?

3 Answers  

I am attempting to complete a system copy of bw. When I try to go in to rsa1 afterwards I get the error message, "entry in inbound table already exists." What should I do to solve the problem?

0 Answers  

How can I restrict the user from printing? (What authorizations should we disable)

3 Answers   IBM,

what is the difference between SAP R/3 and ECC

2 Answers   Wipro,

In sap basis what are the different types of transport requests?

1 Answers  

a transport request is imported, it should have finished in 30 min but it is running for one day(it is running in quality system and it has the transport directory local)you see the slog and all logs are showing that import is processing....and it does not show any error...how will you troubleshoot it?

2 Answers   HCL,

What is the procedure involved in doing a system-copy?

16 Answers   IBM,