ogg add extract process

In the standared oracle goldengate confiugration, one Extract group sends captured data over TCP/IP to a trail on the target system, where it is stored until processed by one Replicat group.

illustrate as :

Source system

Configure the Extract group

On source system, use the ADD EXTRACT command to create an Extract group.

For example:

ADD EXTRACT ext, {TRANLOG | INTEGRATED TRANLOG}, BEGIN <time> [ , THREADS <n>]

On the source, use the ADD RMTTRAIL command to specify a remote trail to be created on the target system

ADD RMTTRAIL <remote_trail>, EXTRACT ext

On the source, use the  EDIT PARAMS command to create a parameter file for the Extract group, include the following parameters plus any others that apply to your database environment.

EXAMPLE:

--identify the extract group:

EXTRACT ext

--Specify database login information as need for the database

[SOURCEDB <dsn_1>] [ ,USERID <user> [ , PASSWORD <pw> [<encryption options>]]

--Specify the name or IP address of the target system adn  optional encryption arcoss tcp/ip

RMTHOST <target>, MGRPORT <portnumber>, ENCRYPT <encryption options>

--Specify the remote trail and encryption options on the target system:

ENCRYPTTRAIL [<encrption options>]

RMTTRAIL <remote_trail>

--Specilfy tables to be captured:

TABLE  <owner>.<table>;