You are working as a DBA on the decision support system. There is a business requirement to track and store all transactions for at least three years for a few tables in the database. Automatic undo management is enabled in the database. Which configuration should you use to accomplish this task?()
A. Enable Flashback Data Archive for the tables.
B. Specify undo retention guarantee for the database.
C. Enable supplemental logging for the database.
D. Query V$UNDOSTAT to determine the amount of undo that will be generated and create an undo tablespace for that size.
E. Create Flashback Data Archive on the tablespace on which the tables are stored.
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中国传统艺术如绘画、雕塑、诗词、书法等都讲究“意境”,意境既是艺术家个人情感的流露,又是外在社会环境与自然环境的反映和再现。以下对“意境”的表述不正确的是()
A. 宋代书法追求个性而忽略法度,倡导“有意无法”
B. 宋代风俗画强调表现个性,讲究借物抒情,追求神韵意趣
C. 中国绘画注重表现精神风貌,力求传统,以形写神
D. 白居易的诗针砭时弊,韵味绵长
贾平凹的小说有()。
A. 《月迹》
B. 《心迹》
C. 《浮躁》
D. 《白鹿原》
下列不属于设备间应防止气体的是()
A. SO2
B. CO2
C. NH3
D. NO2
所谓汽车驱动力是指地面对驱动轮的推动力。
A. 正确
B. 错误