Guy Rouillier wrote:
> janaka priyadarshana wrote:
>> hi all
>>
>>
>> my database server is running on one machine and the application is
>> running on another machine(simple java application use to access the
>> database).
>>
>> so i want to know, what is the protocol that use to communicate
>> between those two applications...?
>
> JDBC.
>
not exactly. JDBC is the API your app uses to access the database.
the JDBC class libraries for postgres on the client system will use
postgres's native protocol to talk to the PG Server (default of 5432/tcp)