Which statements about the MEMORY_TARGET initialization parameter are true?()
A. MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if MEMORY_MAX_TARGET is set to a value greater than zero
B. MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not set
C. MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.
D. MEMORY_TARGET is static and cannot be modified without shutting down the instance
适合切段的药材类别是();麻黄、薄荷、荆芥、党参等药材宜切的片型是()。
湿温病湿邪化燥,症见灼热烦躁,便下鲜血,舌质红绛,脉数细,治疗选方为().
A. 黄土汤
B. 独参汤
C. 归脾汤
D. 犀角地黄汤
用催化加氢法测双键时,因为催化剂粉末暴露在空气中时,能引起有机溶剂的(),所以用过的催化剂,必须及时回收处理。
A. 着火爆炸
B. 挥发
C. 分解
D. 与氧气反应