INTERVIEW QUESTIONS DATA WAREHOUSING COGNOS DETAILS

Question: What are different datasources to develop models

Answer: Work with Source Data

Transformer supports a wide range of local data sources, including

• Impromptu query definition files (.iqd), which can query local or server-based databases

• delimited ASCII files (.asc) and comma-separated variable files (.csv)

• fixed-field text files

• local databases, including Microsoft Access, which can specify SQL queries against local or

server-based databases, Clipper, dBase, FoxPro, and Paradox

• PowerHouse portable subfiles

• spreadsheet crosstabs and databases, including Excel and Lotus 1-2-3

Work with Source Data

Transformer supports a wide range of local data sources, including

• Impromptu query definition files (.iqd), which can query local or server-based databases

• delimited ASCII files (.asc) and comma-separated variable files (.csv)

• fixed-field text files

• local databases, including Microsoft Access, which can specify SQL queries against local or

server-based databases, Clipper, dBase, FoxPro, and Paradox

• PowerHouse portable subfiles

• spreadsheet crosstabs and databases, including Excel and Lotus 1-2-3
Source: CoolInterview.com

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