题目内容

常用试情法鉴定发情的动物是（）

A. 牛
B. 羊
C. 猪
D. 马

查看答案

搜索结果不匹配？点我反馈

更多问题

均衡运价

查看答案

常见设计缺陷包括（）

A. 铆钉，螺栓或其他连接处
B. 连续焊接处
C. 圆边
D. 上列所有缺陷
E. 上列所有缺陷都不包括

查看答案

什么叫共模干扰，其抑制方法有哪些？

查看答案

You work as a database administrator for Certkiller .com. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go？（）

A. 3 hours
B. 6 months
C. until last year
D. until last commit
E. until the point when the undotablespacewas refreshed
F. until the database is shut down and the memory erased

查看答案

常用试情法鉴定发情的动物是（）

A. 牛 B. 羊 C. 猪 D. 马

均衡运价

常见设计缺陷包括（）

什么叫共模干扰，其抑制方法有哪些？

You work as a database administrator for Certkiller .com. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go？ （）

A. 牛
B. 羊
C. 猪
D. 马

You work as a database administrator for Certkiller .com. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go？（）