操作流程　　设想网上购物的一次交易，其付款过程至少包括以下几步数据库操作：　　· 更新客户所购商品的库存信息　　· 保存客户付款信息--可能包括与银行系统的交互　　····

数据库管理系统组成部分　　按功能划分，数据库管理系统大致可分为6个部分： 　　(1)模式翻译：提供数据定义语言(ddl)。用它书写的数据库模式被翻译为内部表示。数据库的逻辑结···

　　在本网站关于CR指标的相关知识讲了很多，最近有新加入的朋友对于这个指标的用法还存在一些问题，那今天赢家学院的主编老师就结合相应的实战案例来为大家进行讲···

　　◆本报记者牛秋鹏 　　3月8日，十三届全国人大五次会议在人民大会堂举行第二次全体会议，审议全国人大常委···

你知道expma是什么意思吗？其实expma它是利用快线和慢线的上下交叉信号，来研究判断行情的买卖时机。同时在股市当中，要明确知道expma用法，还有一些原则以及参数设置，千万不要错过···

adj. 不断的;忠实的\\nn. 常数;常项···

A method of portfolio insurance in which the investor sets a floor on the dollar value of his or her portfolio, then structures asset allocation around that de···

An exchange rate that eliminates the effects of exchange rate fluctuations and that is used when calculating financial performance numbers. Companies with majo···

A type of synthetic collateralized debt instrument that is backed by a debt security index, such as an iTraxx index. CPDOs were first created by ABN AMRO in 20···

Used by the Federal Reserve Board to quote the yields on various treasury securities, adjusted to an equivalent maturity. |||By providing the constant maturity···

An annualized rate of default on a group of mortgages, typically within a collateralized product such as a mortgage-backed security (MBS). The constant default···

One of two ways of calculating the accrued discount of bonds that trade in the secondary market. The constant yield method is an alternative to the ratable acc···

An asset allocation strategy in which assets are assigned a fixed percentage in a portfolio and readjusted to their target weights periodically. The readjustme···

大数据杀熟是社会公众对互联网平台利用大数据和算法对用户进行“画像”分析，从而收取不同价格等行为的概括性说法。比如同样的商品或服务，老客户看到的价格反而比新客户要贵···

双11马上就要来了，电商平台一年一度的狂欢盛宴正在如火如荼的进行着，但不少人发现号称全年最低价双11其实并不便宜，甚至与其他活动期相比反而更贵了，那么你可能就遭遇了大数···