About this document
Data Warehousing Best Practices Guide by svuhari is a document available to read on EtoBox.
The document discusses features for data warehousing, including challenges such as understanding user requirements, finding and cleaning data from internal and external sources, loading and transforming the data, managing the warehouse, and querying. It provides examples of using external tables in Oracle to load raw, untransformed data from text files into database tables without consuming storage, and demonstrates how to define an external table to load fixed-width data from a text file.
- Author
- svuhari
- Language
- EN