Data Warehousing and Statistics in Oracle 11g - incremental global statistics
Read OriginalThis technical article examines the incremental global statistics feature in Oracle 11g for large partitioned data warehouse tables. It explains how the feature works to avoid full table scans, details the setup requirements, and reveals a significant practical drawback: the SYSAUX tablespace storage overhead can be enormous (e.g., 16GB), and statistics gathering performance can degrade severely due to internal maintenance operations.
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