The "official" way is to use the opatch lsinventory
command (see Lsinventory Command for OUI-based Oracle Homes) but you could also check the version of the DLLs.
How to check if Oracle Data Access Components is already installed?
문제
How to check if Oracle Data Access Components is installed and version on my computer?
Also How to check if Oracle Data Provider is installed and version?
해결책
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