CodePudding user response:
Generally said, ORACLE's own cluster management is the RAC, is by sharing based on network load balancing and high availability of storageCodePudding user response:
Refers to the authorization, the enterprise involving the use of RAC authorized version of the licenseCodePudding user response:
Rac is real cluster, is a software, can also use a third party, but generally is install their ownThe Grid Infrastructure encapsulates the Clusterware cluster software and ASM storage software