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Expert Oracle GoldenGate by Richard Chung, Steve Phillips, Ben Prusinski

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Chapter 9. Oracle GoldenGate Veridata

GoldenGate Veridata is a high-performance cross-platform data comparison tool that supports high-volume compares while both source and target data are online and the data is being updated. Veridata three-tiered architecture spreads out the loads among different servers without compromising the performance of the source and target database systems.

Veridata uses compressed row hash data to do a comparison that reduces the CPU cycles and network bandwidth required for comparing the data,.but it's not merely a data comparison tool. Veridata can keep track of changing data and perform comparisons when the data is being updated—a feat impossible with any other tool today.

In this chapter, we will go over the key ...

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