PowerExchange for WebSphere MQ User Guide for PowerCenter

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Writing Message Header Data WebSphere MQ

When you want to write message header data to WebSphere MQ, you can create a mapping with the following transformations:

An MQSeries source definition and an MQ Source Qualifier

An associated flat file source definition and a Source Qualifier

Two flat file target definitions

The PowerCenter Integration Service reads message header data from the source and stores it in a cache file. During a second pass, the PowerCenter Integration Service matches the flat file data with the message header data in the cache file based on the MsgId.

If the source queue is large, the cache file will contain large amounts of data. This might slow the performance of the session.

Working with a Static WebSphere MQ Target Definition

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