INVALID/UNSUABLE indexes in db
Guys,
DB=10.2.0.5.
OS = LInux AS 4
We have one heavy OLTP db of size 1.45TB. We seen that lot of indexes are in INVALID/UNUSABLE/ n/a State.
Could anybody please tell me, why indexes becomes INVALID / UNUSABLE / n/a state ? What would the reasons ?
How could we fix this issue?
Thanks,
Harry
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