未知题型
You are the administrator of a SQL Server 2000 computer. The server contains a database that is heavily indexed and that company users query extensively. The database has grown and query response time has slowed. The database is stored in a single data file.You want to accelerate query response time. What should you do?
A解析:Explanation:WithSQLServer2000itispossibletocreateta......
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未知题型 下述哪些项是信息系统逻辑模型中应该包括的内容?Ⅰ.系统总体结构Ⅱ.数据流程图Ⅲ.数据字典Ⅳ.E-R图Ⅴ.过程说明 模块结构图
单项选择题 HTML代码表示()
未知题型 若对大小为N的有序顺序表进行顺序查找,当查找不成功时,平均查找长度为(59);当查找成功且表中仅有一个关键字等于欲查找的元素时,平均查找长度为(60)。