执行insert时报错ORA-00372、ORA-01110

问题描述：执行insert时报错ORA-00372、ORA-01110，如下所示：
数据库：oracle 11.2.0.4
1、异常重现
LEO@orcl150> insert into test$ select * from test$$;
insert into test$ select * from test$$
            *
ERROR at line 1:
ORA-00372: file 5 cannot be modified at this time
ORA-01110: data file 5: '/tmp/FY_REC_DATA.DAT'
2、解决过程
2.1、异常原因
SYS@orcl150> col name for a70
SYS@orcl150> set line 200
SYS@orcl150> select ts#,file#,status,bytes/1024/1024 size_m,name from v$datafile;

       TS#      FILE# STATUS      SIZE_M NAME
---------- ---------- ------- ---------- ----------------------------------------------------------------------
         0          1 SYSTEM        1240 /u01/app/oracle/oradata/orcl150/system01.dbf
         1          2 ONLINE         570 /u01/app/oracle/oradata/orcl150/sysaux01.dbf
         2          3 ONLINE          70 /u01/app/oracle/oradata/orcl150/undotbs01.dbf
         4          4 ONLINE          15 /u01/app/oracle/oradata/orcl150/users01.dbf
         6          5 ONLINE        .125 /tmp/FY_REC_DATA.DAT
         7          6 ONLINE          20 /tmp/FY_RST_DATA.DAT

6 rows selected.

SYS@orcl150> col file_name for a25
SYS@orcl150> r
  1* select file_id,file_name,tablespace_name,bytes/1024/1024 size_m,status,online_status from dba_data_files where file_id='5'

   FILE_ID FILE_NAME                 TABLESPACE_NAME                    SIZE_M STATUS    ONLINE_
---------- ------------------------- ------------------------------ ---------- --------- -------
         5 /tmp/FY_REC_DATA.DAT      FY_REC_DATA                          .125 AVAILABLE ONLINE
SYS@orcl150> select tablespace_name,status,contents from dba_tablespaces where tablespace_name='FY_REC_DATA';

TABLESPACE_NAME                STATUS    CONTENTS
------------------------------ --------- ---------
FY_REC_DATA                    READ ONLY PERMANENT

说明：确认到表空间FY_REC_DATA状态为online，但却是read only.
2.2、异常解决
--将表空间FY_REC_DATA置为read write.
SYS@orcl150> alter tablespace FY_REC_DATA read write;

Tablespace altered.

SYS@orcl150> select tablespace_name,status,contents from dba_tablespaces where tablespace_name='FY_REC_DATA';

TABLESPACE_NAME                STATUS    CONTENTS
------------------------------ --------- ---------
FY_REC_DATA                    ONLINE    PERMANENT
--此后成功执行insert操作.
SYS@orcl150> insert into leo.test select * from leo.test$$;

86389 rows created.
SYS@orcl150> select count(*) from leo.test;

  COUNT(*)
----------
     86389

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