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OCR: Open Catalog Definition X Options | Tables | Columns | Joins | Remarks I OU. Database Defetts O Custom Definition OK Meta Data Tabla Definition Owner Name Physical Table Name Cancel Select OWNER TABLE_NAME Table Alias: Table Type TABLE_TYPE From SYS.ALL_CATALOG OWNER NOT IN ( SYS"SYSTEM"PUBLIC') AND TABLE_TYPE IN ['TABLE', VIEW", SYNONYM') Figure 3. An example of the use of the Open Metadata Interpreter to retrieve column aliases from an alternate metadata source. Once defined, end users can use much simpler "business" names for tables and columns than what may be defined in the actual underlying database.