题目内容

话到嘴边想说却忘了要说什么,这属于()。

A. 语言障碍
B. 编码错误
C. 存储失败
D. 提取失败

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You execute the following command in your Supportcenter.cn production database to change the width of the CUST_NAME column of the CUSTOMERS table: ALTER TABLE customers MODIFY (cust_nameVARCHAR2 (40)) / When you execute the command, it displays the following error message: ERROR at line 1: ORA-00054: resource busy and acquire with NOWAIT specified What could be the reason for the error message?()

A. The database instance is not available.
B. The ALTER TABLE command does not have WAIT option
C. The table or a row in the table is currently locked by another user session.
D. The database instance is busy processing other user sessions commands.
E. The CUSTOMERS table has no long running query active at the time when this request is made.
F. The server process executing the ALTER TABLE command is busy with another command executio

药房药品的摆放的一般原则是()

A. 药品定位存放
B. 药品非定位存放
C. 按有效期前后摆放
D. 同种药物不同有效期混放
E. 拆零药物混放

交通联系空间的设计应注意哪些方面?

A公司租赁B公司大楼举办展销会,向众商户出租展会,消费者王大爷在其中C公司的展台购买了一台D公司生产的电热毯,使用中出现质量问题导致起火并造成王大爷被烧伤,王大爷索赔时以上公司均互相推诿,下列哪项主张是正确的?()

A. C公司认为属于产品质量问题,应找D公司解决
B. D公司认为产品已交C公司包销,自己不再负责
C. B公司称自己与产品质量问题无关,不应承担责任
D. A公司称展销会已结束,且C公司已撤离,自己不应负责

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