Question

In terms of performance impact on source operational systems, which techniques have the least impact?

a.

Capture through Transaction Logs and Capture through Database Triggers

b.

Capture in Source Applications

c.

Capture based on Date and Time Stamp and Capture by Comparing Files

d.

Static data capture

Posted under Data Warehousing and OLAP

Answer: (a).Capture through Transaction Logs and Capture through Database Triggers Explanation:Capture through Transaction Logs and Capture through Database Triggers have the least impact on source operational systems in terms of performance.

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Q. In terms of performance impact on source operational systems, which techniques have the least impact?

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