Which statements are true regarding the Oracle Data Pump export and import operations()
A. You cannot export data from a remote database.
B. You can rename tables during an import operation.
C. You can overwrite existing dump files during an export operation.
D. You can compress the data during export but not the metadata because it is not supported
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患者,男性,24岁,因工伤至双腿骨折,现行石膏夹板牵引。下列护理措施不妥的是()。
A. 观察局部皮肤变化
B. 认真听取患者主诉
C. 垫衬松紧适宜
D. 受压发红处用50%乙醇行局部按摩
E. 定时协助患者翻身
氨基酸的活化()
A. 氨基酸与特异的tRNA结合
B. 氨基酸与特异的mRNA结合
C. 氨基酸与特异的N-端结合
D. 氨基酸与特异的C-端结合
E. 氨基酸与特异的sRNA结合
黍(broomcornmillet、glutinous)
沥青混合料的技术指标:密度、空隙率、矿料间隙率、稳定度、流值。
A. 正确
B. 错误