What are external tables and does Warehouse Builder support them?

External tables are user defined database objects mapped (field by field) to flat files. The flat file fields must be defined either by delimiters or by field position. After an external table has been defined, it is possible to use read only SQL commands to access the underlying flat files.

Warehouse Builder 9.2 supports external tables as data sources and allows users to define external tables from a flat file within Warehouse Builder. More.

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