In this post, you’ll learn more about the Oracle ErrorORA-12993: tablespace ‘string’ is offline, cannot drop column with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-12993: tablespace ‘string’ is offline, cannot drop column
Reason for the Error ORA-12993: tablespace ‘string’ is offline, cannot drop column
An attempt was made to drop a column from a partition/subpartition on an offline tablespace.
How to fix the Error ORA-12993: tablespace ‘string’ is offline, cannot drop column ?
You can fix this error in Oracle by following the below steps
Bring the tablespace online and resubmit statement.