试题详情
- 单项选择题 You issue the following statement： SQL> SELECT FIRSTNAME， LASTNAME FROM HR.EMPLOYEE； You receive the following error： 01578： ORACLE data block corrupted （file# 6， block # 54） ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’ How will you resolve this problem of data block corruption by reducing the mean time to recover （MTTR）？（）
A、 by using the DBMS_REPAIR package
B、 by using the DBVERIFY utility
C、 by using Block Media Recovery
D、 by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command
- C
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