Shadow Tables – Performance observations using Infosphere Change Data Capture

(Somu Chakrabarty and Iqbal Goralwalla) IBM has introduced the concept of shadow tables in DB2 10.5 Fixpack 4 (also known as the “Cancun Release”) to avoid separate OLTP and OLAP databases and to improve analytic query performance in a single OLTP database without using much tuning and indexing effo

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