How to unset alert threshold
I have set alert threshold for library cache hit ratio and buffer cache hit ratio etc to send me email when it is below the limit I set to. But now, I don't see a meaning of these threshold and want to unset these threshold so it won't send me email about these particular alerts. I tried to go to all metric page and click on modify threshold, but I can't seem to be able to unset it. How can I achieve this in oem 12c? Please advise. Thank you very much.
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