For which action can you use the TO_DATE function? () Convert any date literal to a date。 Convert any numeric literal to a date。 Convert any character literal to a date。 Convert any date to a character literal。 Format '10-JAN-99' to 'January 10 1999'。
“后茶馆式”教学中的“做”是增加学生的经验。这种学生的学习经历不仅增加了学生自身的默会知识,而且可以进一步产生()的对话。
Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning, while querying the user1.employees table, you receive the following error message: 01578: ORACLE data block corrupted (file # 5, block # 51) ORA01110: data file 5: ’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following: The data file should remain online. The mean time to recover (MTTR) should be minimal. You are not using a backup control file, and all the archived logs are accessible. Which option would you choose?() flash back the corrupted blocks。 use the DBMS_REPAIR package。 use the RMAN TSPITR command。 use the RMAN BLOCKRECOVER command。 use the RESTORE DATABASE and RECOVER DATABASE commands。 investigate the time at which the corruption occurred and perform a pointintime recovery。
在平视情况下,用高花盆插S形,选用()。 倾斜式S形。 下垂式S形。 平卧式S形。 对称式S形。
A storage specialist is presenting DS5300 and mentions that the maximum available cache is 64GB. The customer asks if that cache is backed up to hard drives in the event of a power outage.From the following list, which competitor is most likely also talking to this customer?() EMC 。 HDS 。 SUN 。 NetA。
书面形式是指可以有形地表现当事人订立的合同内容的形式。但不包括以下中的哪一项()。