You company has four DBAs. You need to know which DBA added a column to the JOB_HISTORY table. The database cannot be offline during work hours. Which LogMiner command can you use to find out which user made the table change？（） ["A","B","C","D"]
针对银行客户流失问题，以下哪个方法可以建立预测模型（） ["Logistic回归","神经网络","概率统计","集合论"]
有关噻嗪类利尿药长期给药降压作用机制，错误的是（） ["减少心输出量","降低血浆容量","降低体内Na+","降低血管平滑肌细胞内Ca2+浓度","降低血管平滑肌对血管收缩剂的反应性"]
简要评价稳定化处理的要求是什么？
管理者理想的知识结构应该是“T”型的。
黄酮苷一般溶于（）、（）及（）等中，而难溶或不溶于（）、（）等有机溶剂中。
