手法を比較
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| ETLプロセス× | データウェアハウジング× | |
|---|---|---|
| 分野 | 情報システム | 情報システム |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1996 | 1992 |
| 提唱者≠ | Ralph Kimball and data warehouse pioneers | William H. Inmon and Ralph Kimball |
| 種類≠ | Data integration methodology | Data system architecture |
| 原典≠ | Kimball, R. (1996). The Data Warehouse Toolkit: Practical Techniques for Building Dimensional Data Warehouses. New York: John Wiley & Sons. link ↗ | Inmon, W. H. (1992). Building the Data Warehouse. New York: QED Technical Publishing. link ↗ |
| 別名 | ETL, data integration | warehouse, DW design |
| 関連≠ | 1 | 2 |
| 概要≠ | The Extract-Transform-Load (ETL) process is a systematic approach to moving data from source systems into a target repository. Formalized in the context of data warehousing, ETL pipelines extract data from diverse operational sources, apply business rules and data quality checks, and load the results into data warehouses and analytical systems. | Data warehousing is an approach to designing integrated repositories of historical business data optimized for analysis and reporting. Pioneered by William Inmon and Ralph Kimball in the early 1990s, data warehouses consolidate data from diverse operational sources into a centralized, time-stamped, non-volatile store supporting complex queries across multiple dimensions. |
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