What is a possible reason?

A user executes a query on the EMPtable, 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:
ORA-01157: cannot identify/lock data file 201 – see DBWR trace file
ORA-01110: data file 201:
‘/u01/app/oracle/oradata/orcl/temp01.dbf’
What is a possible reason?

A user executes a query on the EMPtable, 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:
ORA-01157: cannot identify/lock data file 201 – see DBWR trace file
ORA-01110: data file 201:
‘/u01/app/oracle/oradata/orcl/temp01.dbf’
What is a possible reason?

A.
Thetempfile belonging to the default temporary tablespace is missing.

B.
The database is opened in restricted mode, so queries are not allowed

C.
The default temporarytablespace required to execute the query is offline.

D.
The default temporarytablespace required to execute the query is dropped.

E.
The default temporarytablespace required to execute the query is read-only.



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