【单选题】In a data warehouse environment, data is only valuable when it is organized and displayed as(75)
【简答题】State the primary types of tables found in a data warehouse and the order which they must be loaded to enforce referential integrity. 简述数据仓库中的表的基本类型,以及为了保证引用完整性该以什么样的顺序对它们进行加载。
【多选题】定额水平是对一个企业在一定时期内,在一定的物质技术条件下,对( )、( )、劳动生产率水平和职工的管理水平的综合反映。
【单选题】资本收益率是企业一定时期净利润与( )的比率,反映实际获得投资额的回报水平。
【判断题】神经元就是神经细胞,是神经系统最基本的结构和机能单位,它的主要作用是接受和传送信息。
【简答题】A.Because he wanted to find some food for himself. B.Because he could often find something interesting there. C.Because his often asked him to throw things there. D.Because his often too...
【单选题】资本收益率是企业一定时期净利润与( )的比率,反映实际获得投资额的回报水平。
【单选题】In a data warehouse environmem, data is only valuable when it is organized and displayed as(75)
【判断题】销售净利率是净利润与营业收入的比值,用以揭示企业在一定时期总的获利水平。但企业业务中不仅包括正常的营业业务,还包括偶尔发生的营业外业务,因此利润总额中包含了不稳定和不持续的通常会临时波动的营业外收支因素,使得销售净利率虽能揭示某一特定时期的获利水平,但却难以反映获利的稳定性和持续性。