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问题:

[单选] You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your database. Which type of script does the backup scheduler generate? ()

A . SQL script
B . PL/SQL script
C . Operating System (OS) script
D . Enterprise Manager (EM) script
E . Recovery Manager (RMAN) script

Given: What is the result?() The file will compile without error.。 Compilation fails. Only line 7 contains an error.。 Compilation fails. Only line 12 contains an error.。 Compilation fails. Only line 13 contains an error.。 Compilation fails. Only lines 7 and 12 contain errors.。 加密后的信息摘要称为() 数字指纹。 数字签名。 数字信封。 数字证书。 铰刀制成粗铰刀和精铰刀,目的是为了减轻单把铰刀的切削(),同时提高铰孔的()和()。 The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema. Which two statements are true regarding the outcome of this action? ()(Choose two) All the related indexes and views are automatically dropped。 The flashback drop feature can recover only the table structure。 Only the related indexes are dropped whereas views are invalidated。 The flashback drop feature can recover both the table structure and its data。 You are performing an incomplete recovery because certain important tables were deleted and purged from the Recycle Bin. In which mode will you perform the recovery?()  MOUNT mode。  RESTRICTED mode。  OPEN mode。  NOMOUNT mode。 You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your database. Which type of script does the backup scheduler generate? ()
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