Oracle® Database 8i | 9i | 10g | 11g | 12c | 18c | 19c Error Codes
Information for Database Error Code ORA-01660: tablespace '[string]' is already permanent
ORA-01660: tablespace '[string]' is already permanent
Cause: Attempting to make tablespace permanent that is already permanent.
Action: Leave tablespace permanent.
Error Type: ORA
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