使用 Process Flow Editor,您可以学习如何设计将映射与其他活动互联的进程流。在本教程中,您将学习如何创建映射,以便从源中提取数据、转换数据并将其加载到目标中。本文还简要说明了 Debugging Editor,以在 Mapping Editor 中调试数据流。 所需时间:大约60 分钟注: 本教程及其设置脚本仅支持 OWB 11g 第1 版。该...
etl流程调度设计(ETL process scheduling design) 1.1 ETL design process and scheduling (ETL Schedule) (PSP) ETL scheduling objectives? The quick extraction system to 39 branches four system data processing, data from the file transfer to the ODS library, ODS library to LDM, then calculate the PI...
The Create Process Flow window is launched. Specify LOAD_EXPENSE_WH as the name of the process flow. Click OK. Warehouse Builder launches the Process Editor and displays the process flow with a Start activity and an End_Success activity. You now learn how to design the process flow with act...
transform, and load process. Simply put, ETL softwares allow companies to collect data of various ...
Below are the pros and cons of each architecture design, so that you can better understand the trade-offs of each ETL process design choice: 1.2. Extract challenges The data extraction part of the ETL process poses several challenges. Knowing them can help you prepare for and avoid the issu...
2. What should be the ETL design to load such a structure? Design A There is one to one relationship between the source row and the target row. There is a CURRENT_FLAG attribute, that means every time the ETL process get a new value it has add a new row with current flag and go ...
The role of ETL, it can be said, is equivalent to the process of building a brick house. In data warehouse system design is the most difficult part of the user requirement analysis and model design, so the biggest workload is the design and implementation of the rules of ETL, it ...
The present disclosure provides a method and apparatus for re-using existing data flow design jobs in a data integration design environment (IDE). An example method generally includes receiving input placing one or more data flow operators on a design canvas of the IDE, searching a database of...
Since the last decade, the Extract Transform Load process has become fruitful to flow business processes smoothly. Data mining and Data Warehousing are the key concepts to analyze big data. Also to make the best business decisions and strategies which can increase revenue and profit of an ...
developers and end users is a key consideration. For example, if the tool requires manual coding, then ideally the development team can use the languages it's built on. However, if the user does not understand how to construct complex queries, then a tool that automates this process will ...