snowflake-schema

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Warehouse - one dimension for multiple dates?

This is example of simple warehouse: http://en.wikipedia.org/wiki/File:Snowflake-schema-example.png If in Fact_Sales there is still Date2_ID, Date3_ID would these two dates be related with the same D[详细]

2023-04-12 00:45 分类：问答
Is a snowflake schema better than a star schema for data mining?

I know the basic difference between a star schema and a snowflake schema-a snowflake schema breaks down dimension tables into multiple tables in order to normalize them, a star schema has only one \"l[详细]

2023-03-23 03:22 分类：问答
Linq-To-Sql with WCF, Models, and POCO ViewModels Disconnected "DataContext" Timestamp/Rowversion

I have a Linq-To-Sql based开发者_如何学Go repository class which I have been successfully using. I am adding some functionality to the solution, which will provide WCF based access to the database.[详细]

2022-12-25 16:32 分类：问答
《池上竹下作》第二句是什么？

开发者_如何学Cty_南瓜君1 2022-04-24 13:43 《池上竹下作》第二句是：“十亩闲居半是池”，这是出自于唐朝白居易所著的《池上竹下作》。附《池上竹下作》全文赏析池上竹下作作者：白居易朝代：唐朝穿篱绕舍[详细]

2022-12-24 01:29 分类：问答
Realtime Twitter Replies?

I have created Twitter bots for many geographic locations. I want to allow users to @-reply to the Twitter bot with commands and then have the bot respond with the results. I would like to have the bo[详细]

2022-12-23 20:45 分类：问答
Bulk printing mechanism in asp.net mvc 1.0

I m new to asp.net MVC1.0.I need solution for bulk printing in my application.instead of clicking print button for each n 开发者_StackOverflow社区every data of grid,i want the user to hit single print[详细]

2022-12-22 15:17 分类：问答
XPath to find elements that does not have an id or class

How can I get all tr elements without id attribute? <tr id=\"name\">...</tr> <tr>...</tr>[详细]

2022-12-22 02:33 分类：问答
试管婴儿技术会增加儿童患癌风险吗？？

zt7166103 2022-05-09 19:25 试管婴儿患癌风险尚无定论。芬兰研究人员赖娅·克莱米蒂（Reija Klemetti）在2006年11月5日的《儿科学》杂志发表论文称，对人工授精生产的4559例婴儿与19万名自然孕产的婴儿作为对照[详细]

2022-12-21 17:43 分类：问答
Mysql Backup with Mercurial

is it possible to take ? I researched at Google, I found few articles, but in German and other langs, so didnt understand well.[详细]

2022-12-21 06:39 分类：问答
高不成的下一句是什么啊？？

钱元亮 2022-05-15 11:17 开发者_C百科你好高不成低不就，说明这个人没什么本事，能力也不是很出众所以最后只能成为万千人群中的普普通通的一员而已，不会有什么出彩的地方ty_韩松31[详细]

2022-12-20 20:05 分类：问答