The data is extracted from the source database in the extraction process which is then transformed into the required format and then loaded to the destination data warehouse. For performing all these functions
This In-depth Tutorial on ETL Process Explains Process Flow & Steps Involved in the ETL (Extraction, Transformation, and Load) Process in Data Warehouse: This tutorial in the series explains: What is ETL Process? Data Extraction, Transformation, Loading, Flat Files, What is Staging? ETL Cycle,...
一、数据仓库的基本概念 1.1 简介 数据仓库,英文名称为Data Warehouse,可简写为DW或DWH。数据仓库顾名思义,是一个很大的数据存储集合,出于企业的分析性报告和决策支持目的而创建,对多样的业务数据进行筛选与整合。它为企业提供一定的BI(商业智能)能力,指导业务流程改进、监视时间、成本、质量以及控制。 数据仓库的输入...
Data Warehousing Tutorial:http://www.infogoal.com/datawarehousing/ ETL (Extract-Transform-Load) for Data Warehousing fromhttp://www.infogoal.com/datawarehousing/etl.htm Stocking the data warehouse with data is often the most time consuming task needed to make data warehousing and business intellige...
Data Warehousing Tutorial:http://www.infogoal.com/datawarehousing/ ETL (Extract-Transform-Load) for Data Warehousing fromhttp://www.infogoal.com/datawarehousing/etl.htm Stocking the data warehouse with data is often the most time consuming task needed to make data warehousing and business intellige...
Description:Learn the essentials of ETL data warehouse testing and data quality management through this step-by-step tutorial. This course takes you through the basics of ETL testing, frequently used data quality queries, reporting and monitoring. In this tutorial we will learn how to build dat...
It also briefly introduces the Debugging Editor to debug data flows in the Mapping Editor. Time to Complete:Approximately 60 minutesNote: This tutorial and its setup scripts support OWB 11g Release 1, only. Earlier versions of this Oracle By Example tutorial are available for OWB 10g Releases 1...
Data Warehouse ETL and Reporting Tools - Explore the essential data warehouse ETL and reporting tools in this tutorial to enhance your data management skills.
DW 数据仓库 数据仓库,英文名称为Data Warehouse,可简写为DW或DWH。数据仓库,是为企业所有级别的决策制定过程,提供所有类型数据支持的战略集合。它是单个数据存储,出于分析性报告和决策支持目的而创建。 为需要业务智能的企业,提供指导业务流程改进、监视时间、成本、质量以及控制。 EDW 企业数据仓库 数据仓库(DW)概念的...
Fivetran FlyData Matillion SnapLogic StreamSets Striim Alooma Flume Sqoop Lambda Architecture ... 更多信息请访问 www.gairuo.com,关注公众号「盖若」ID: gairuo 数据产品经理教程 - 盖若www.gairuo.com/p/data-pm-tutorial编辑于 2021-02-23 15:17 ETL 大数据 数据仓库 赞同1045 ...