开关电源输入功率因子和效率的测量,要求()、()、()、()为模块的额定值。
查看答案
养阴清肺汤中引药上行利咽喉的药物是()百合固金汤中引药上行利咽喉的药物是()
抵(质)押物(权)价值评估系统具有押品不足值预警和重评预警功能,当出现押品不足值预警信息时可通过增加押品、减少融资和特别处理三种方式消除预警信息。
A. 正确
B. 错误
You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table?()
A. You must enable the block change tracking feature.
B. You must have enable the flashback feature.
C. You must use the OMF in your database.
D. You must define the tablespace of the SCOTEMP table for automatic segment space management.