A user executes a query on the EMP table, which contains thousands of rows, to get details about employees in one of the departments. The user receives the following error: SQL> SELECT ename FROM emp WHERE deptno=10 ORDER BY sal; SELECT ename FROM emp WHERE deptno=10 ORDER BY sal * ERROR at line 1: ORA01157: cannot identify/lock data file 201 see DBWR trace file ORA01110: data file 201: ’/u01/app/oracle/oradata/orcl/temp01.dbf’ What is a possible reason?()
- AThe tempfile belonging to the default temporary tablespace is missing.
- BThe database is opened in restricted mode, so queries are not allowed.
- CThe default temporary tablespace required to execute the query is offline.
- DThe default temporary tablespace required to execute the query is dropped.
- EThe default temporary tablespace required to execute the query is readonly.