Pre Upgrade Checks - wykład

Pre Upgrade Checks
DBUA does not begin the upgrade until it completes all of the following pre-upgrade
steps:
■ Checks for any invalid user accounts or roles
■ Checks for any invalid data types or invalid objects
■ Checks for any desupported character sets
■ Checks for adequate resources, including rollback segments, tablespaces, and free
disk space
■ Checks for any missing SQL scripts needed for the upgrade
■ Disables Database Vault, if Database Vault is enabled
When upgrading Oracle Database to Oracle Database 12c, if you have enabled
Database Vault in your current (pre-Oracle Database 12c) Oracle home, then by
default Database Vault is disabled in the new target Oracle home. Once the
upgrade is complete, enable Database Vault again.
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