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What creates the database triggers ending in _TRK_D, _TRK_U, and _TRK_I on a table — these look similar to the _EVD/_EVU/_EVI triggers that Events create, but aren't the same thing?

Answer

Those TRK-suffixed triggers are created by Object Subscriptions, not Events — check Solution Manager > Monitoring > Object Subscriptions > Object Subscription Logical Units to see what subscriptions exist on a given Logical Unit and account for those triggers. Events (_EVD/_EVU/_EVI) and Object Subscriptions (_TRK_D/_TRK_U/_TRK_I) are two separate trigger-generating mechanisms on the same underlying tables, and mixing them up when auditing a table's triggers is an easy but understandable point of confusion.

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