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【单选题】
“”是经常用来形容下列哪个细菌形态的:A.
破伤风梭菌
B.
产气荚膜梭菌
C.
肉毒梭菌
D.
艰难梭菌
E.
炭疽芽胞杆菌
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举一反三
【单选题】You are maintaining the SALES database for an organization. You have enabled the Flashback Database feature and want to estimate the flashback space required for future operations. Which view would y...
A.
V$DATABASE
B.
V$FLASHBACK_DATABASE_STAT
C.
V$FLASHBACK_DATABASE_LOG
D.
V$RECOVERY_FILE_DEST
【多选题】You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）
A.
Flashback logs are not archived.
B.
Flashback logs are maintained in redo log files.
C.
Flashback logs are maintained in the Flash Recovery Area.
D.
Flashback logs are used to maintain Flashback Database related errors.
E.
Flashback logs need to be cleared manually after you disable Flashback Database.
【单选题】You are working on the APPDB database as a DB A. The database has a default Flashback Data Archive DFLA1 created on it. You issued the following command to drop the Flashback Archive FLA1： DROP FLAS...
A.
The Flashback Archive FLA1 is dropped only if it is empty.
B.
The tablespace having Flashback Archive is dropped.
C.
The Flashback Archive FLA1 is dropped after moving the existing data in it to the default Flashback Archive.
D.
The Flashback Data Archive and historical data are dropped.
【简答题】( ) is the most important form of business organization in U.S, a corporation is a ( )person, seperate and dinstinct from its ( ).
【简答题】( ) is the most imporatant form of business organization in u.s. A corporation is a ( ) person, seperate and distinct from its ( ).
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