[单选]
A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message：

Which is the recommended sequence of operations you need to perform for the query successfully？（）

A . Drop the affected tablespace，re-create the tablespace，restore the datafiles，and the tablespace.
B . Take the affected datafile offline（if not already offline），restore the damaged image of the datafile，and then bring it online.
C . Restart the database in MOUNT mode，restore the damaged datafile，recover the datafile and then open the database with resetlogs.
D . Put the database in RESTRICTED mode，restore all the datafiles in the affected datafile and recover the tablespace，and then put the database in normal operational mode.

Given： 11. public void genNumbers（） { 12. ArrayList numbers = new ArrayList（）； 13. for （int i=0； i<10； i++） { 14. int value = i * （（int） Math.random（））； 15. Integer intObj = new Integer（value）； 16. numbers.add（intObj）； 17. } 18. System.out.println（numbers）； 19. } Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection？（） Line 19。 The object is NOT a candidate for garbage collection.。 Line 17。 Line 16。 Line 18。 L-O-R封堵三通在组装前，塞柄的止回球阀要涂（），以防止焊渣进入开口处。润滑脂。润滑漆。润滑油。防锈漆。 While running the Oracle Universal Installer on a Unix platform to install Oracle Database 10g software， you are prompted to run orainstRoot.sh script. What does this script accomplish？（） It creates the pointer file.。 It creates the base directory.。 It creates the Inventory pointer file.。 It creates the Oracle user for installation.。 It modifies the Unix kernel parameters to match Oracle’s requirement.。主要用于治疗因疼痛引起的关节活动受限的手法：（） Ⅰ级。 Ⅱ级。 Ⅲ级。 Ⅳ级。 Ⅴ级。耐水湿植物

A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message：

Which is the recommended sequence of operations you need to perform for the query successfully？（）

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[单选] A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message： Which is the recommended sequence of operations you need to perform for the query successfully？（）

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[单选]
A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message：

Which is the recommended sequence of operations you need to perform for the query successfully？（）