The functin of ______________means that human languages enable their users to symbolize objects, events and concepts which are not present (in time and space) at the moment of communication.
【单选题】Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database. You issue the command to open...
A.
Place CDB1 in the mount stage and then the USERDATA tablespace offline in ACCOUNTS_PDb.
B.
Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE accounts_pdb CLOSE IMMEDIATE command.
C.
Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command.
D.
Take the USERDATA tablespace offline in ACCOUNTS_PDb.