I use data queues for many purposes and in many mission-critical applications, so whenever IBM announces additions and changes to data queues, I pay attention. With release 6.1, two new data queue attributes were added, and one new data queue API was introduced. The new Change Data Queue (QMHQCDQ) API was partially prompted by the Enforce data queue locks attribute added, because the QMHQCDQ API is currently the only available option when it comes to setting this attribute; you cannot ...

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