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ETL for the Oracle Retail Data Model

6 ETL for the Oracle Retail Data Model This chapter includes the following sections: , The OLAP_MAP mapping is executed after executing the Derived and Aggregate portions of the Intra-ETL Process Workflow This is independent of Mining Intra-ETL and so ORDM_MNNG_FLW and OLAP_MAP run in parallel The OLAP_MAP mapping makes a call to OLAP_ETL ....

Extract, transform, load - Wikipedia

Extract, transform, load Jump to navigation Jump to search , The ETL process became a popular concept in the 1970s , Transform (clean, apply business rules, check for data integrity, create aggregates or disaggregates) Stage (load into staging tables, if used) Audit reports (for example, on compliance with business rul Also, in case of ....

ETL (Extract-Transform-Load) | Data Integration Info

While the traditional ETL process is the predominant data processing flow in many organizations, there are newer, more exciting data processing methods One is stream processing - agile and able to deal with real time data on the fly , and creating aggregates as necessary For example, if you must analyze revenue, you can summarize the ....

What is ETL? | Alooma

ETL emerged in the 1970s, when large enterprises began to aggregate and store information from multiple sources with different data types, such as payroll systems, sales records, inventory systems, and so on , Batch processing ETL tools are designed to move large volumes of data at the same scheduled time, usually when network traffic is low...

ETL Testing Quick Guide - Tutorials Point

Start studying Overview of Extraction, Transformation & Loading Learn vocabulary, terms, and more with flashcards, games, and other study tools , Data Extraction, Transformation and Load Process Types of ETL Tools What to look for in ETL Tools Key tools in the market ETL Trends & New Solution Options , Summarization is also carried out to ....

ETL Part 1: Incorporating Aggregates - Mastering Data ,

Aggregate processing is therefore a major component of the process that loads the data warehouse, often referred to as the ETL process or the load process This is the first of two chapters that explores the loading of aggregat...