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B2B Integration : A Practical Guide to Collaborative E-commerce

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62 <strong>B2B</strong> <strong>Integration</strong> — A <strong>Practical</strong> <strong>Guide</strong> <strong>to</strong> <strong>Collaborative</strong> E-<strong>commerce</strong><br />

Users<br />

Data Mart Data Mart<br />

Data Mart<br />

Data Mart<br />

Users<br />

Figure 3.13. — Data marts get data from data warehouse and users retrieve<br />

data from data marts<br />

Operational Transient Data Data<br />

Data Sources Data Hub Warehouse Marts<br />

Legacy System<br />

Operational<br />

Database<br />

Operational<br />

Database<br />

-I<br />

Users<br />

Purchasing , 'Data Mining<br />

Sales<br />

Data<br />

Reporting<br />

Data Analysis<br />

Figure 3.14. — Coexistence of data warehouses and data marts

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