一个多表关联的语句在备库执行查询时提示ORA-01187: cannot read from file because it failed verification tests,单独对某一个表查询则正常返回(因为不需要排序等,没有用到临时表空间)。 查看报错信息发现是提示的临时数据文件无法访问导致。
1、查询dba_temp_files提示报错
SQL> SELECT tablespace_name, file_name FROM dba_temp_files WHERE tablespace_name = 'TEMP';
SELECT tablespace_name, file_name FROM dba_temp_files WHERE tablespace_name = 'TEMP'
*
ERROR at line 1:
ORA-01187: cannot read from file because it failed verification tests
ORA-01110: data file 14: '/u01/oracle/oradata/temp01.dbf'
报错信息和业务提示的报错一致。
处理方法(参考文档:Database upgrade fails with Error: "ORA-01110: data file N: '<location/temp.dbf>', as tempfile is corrupted/non-existing. (Doc ID 2381382.1))
Recreate tempfile as below:1)First query from v$tempfile;
SQL> select FILE#,NAME from v$tempfile;
FILE# NAME
------ --------------------------------
14 /u01/oracle/oradata/temp01.dbf2)check for tablespace name:
SQL> SELECT PROPERTY_VALUE FROM DATABASE_PROPERTIES WHERE PROPERTY_NAME = 'DEFAULT_TEMP_TABLESPACE';
PROPERTY_VALUE
----------------
TEMP3)Create new tempfile;
SQL> ALTER TABLESPACE temp ADD TEMPFILE '/u01/oracle/oradata/temp02.dbf' SIZE 512M ;
Tablespace altered.4)Drop the tempfile 'temp01.dbf'
SQL> ALTER DATABASE TEMPFILE '/u01/oracle/oradata/temp01.dbf' DROP INCLUDING DATAFILES;
Database altered.5) Now query from "dba_temp_files" will not fail:
SQL> SELECT tablespace_name, file_name, bytes FROM dba_temp_files WHERE tablespace_name = 'TEMP';
TABLESPACE_NAME FILE_NAME
---------------- -------------------------------
TEMP '/u01/oracle/oradata/temp02.dbf