goldengate關於pump程式的解釋
The data pump is another type of GoldenGate Extract process. The data pump reads the records in the
source trail written by the Local Extract, pumps or passes them over the TCP/IP network to the target,
and creates a target or remote trail. Although the data pump can be configured for data filtering and
transformation (just like the Local Extract), in many cases the data pump reads the records in the source
trail and simply passes all of them on as is. In GoldenGate terminology, this is called passthru mode. If
data filtering or transformation is required, it’s a good idea to do this with the data pump to reduce the
amount of data sent across the network.
source trail written by the Local Extract, pumps or passes them over the TCP/IP network to the target,
and creates a target or remote trail. Although the data pump can be configured for data filtering and
transformation (just like the Local Extract), in many cases the data pump reads the records in the source
trail and simply passes all of them on as is. In GoldenGate terminology, this is called passthru mode. If
data filtering or transformation is required, it’s a good idea to do this with the data pump to reduce the
amount of data sent across the network.
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