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You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. When you are absent, a user will use a login named Mary to log in and maintain the database snapshots. The user has to delete the database snapshots for DB1, so you have to give the appropriate permissions to the user. So which database permission should you give the user?()
生物富集作用是指()
新产业区是一个由()企业组成的地域系统。
TSGR0002-2005《超高压容器安全技术监察规程》对超高压容器的全面检验的项目及内容是如何要求的?超高
简述成败归因理论的理论价值与实际意义。
中央秘书处
蛋白质变性是由于()
男,25岁。水肿、尿少1个月。查;血压165/100mmHg,尿蛋白++++,RBC+/HP,BUN12mmol/L,肌酐220μmol/L,血钾5.8mmol/L,血钠130mmol/L。下列处理哪项错误()
微生物常用的分离、纯化方法有哪些?
伏暑可出现下列哪些证型()。