How to delete a tql in Pattern Based Model 9.0x vs 10.0x
In 9.0x When a tql was deleted, the TQL and the model was deleted but left the scheduler entry. In 10.0x deleting the tql on a model will delete the tql, the model and the scheduler entry.
see details in http://support.openview.hp.com/selfsolve/document/KM00410061
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