单选题One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file. Which operation do you need to perform after re/x7fcreating the control file and opening the database？（）Adrop and recreate the readonly tablespacesBrename the readonly data files to their correct file namesCchange the tablespace status from read/write to readonlyDrecreate the readonly tablespace because it is automatically removed
单选题
One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file. Which operation do you need to perform after re/x7fcreating the control file and opening the database？（）
A
drop and recreate the readonly tablespaces
B
rename the readonly data files to their correct file names
C
change the tablespace status from read/write to readonly
D
recreate the readonly tablespace because it is automatically removed
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