本文简读了《 Data Warehouse Toolkit 》一书中的一些关键概念。虽然数据仓库在实践中有许多细节,但维度模型的核心理念却是非常简单的,所以希望这个简读能对大家有所帮助。有什么建议意见,欢迎留言。 欢迎关注我的微信公众号:yecomment
Data modeling techniques 数据建模技术 There are several data modeling techniques that we could use to store the data in a database: 我们可以使用几种数据建模技术将数据存储在数据库中: Dimensional data modeling: 维度数据建模: This type of data modeling is used for data analytics in data warehouse...
This chapter focuses on data warehouse data model tuning techniques. It describes how to build data warehouse data models and how to relate data warehouse entities to each other. There are various methodologies and approaches, which are essentially very simple. Tuning data warehouse entities is ...
【1】http://roelantvos.com/blog/comparisons-between-data-warehouse-modelling-techniques/ 【2】Data Architecture: A Primer for the Data Scientist 【3】https://www.talend.com/blog/2015/03/27/what-is-the-data-vault-and-why-do-we-need-it/ 【4】Building a Scalable Data Warehouse with Data Va...
摘要: This redbook gives detail coverage to the topic of data modeling techniques for data warehousing, within the context of the overall data warehouse development process. The process of data warehouse modeling, including the steps required before and after the关键词:...
Data modeling is imperative for data warehousing because a data warehouse is a repository for data brought in from multiple sources, which likely have similar or related data in different formats. It is necessary to first map out the warehouse formats and structure in order to determine how to ...
Data modeling is imperative for data warehousing because a data warehouse is a repository for data brought in from multiple sources, which likely have similar or related data in different formats. It is necessary to first map out the warehouse formats and structure in order to determine how to ...
5. Dimensional Modeling Dimensional Modelling is a data designing method of the data warehouse. It utilizes facts and dimensions and assists in simple navigation. Dimensional data model assists in quick performance query. Generally, dimensional models are also known as star schemas. ...
(2000), “Adapting data modeling techniques for data warehouse design”, The Journal of Computer Information Systems, 40(3), 73-77.Raisinghani, Mahesh S (2000). Adapting Data Modeling techniques for data warehouse design. The Journal of Computer Information System; Spring 2000; 40,3....
A database is only as valuable as the faith an organization has in it. Data modeling helps support that faith by ensuring the organization’s data, which is often stored in your data warehouse, is accurately represented in a database so it can be meaningfully analyzed. ...