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PolarDB
PolarDB for PostgreSQL(Compatible with Oracle)
Proprietary kernel capabilities
Optimizers
Optimizers
更新时间: 2026-01-16 23:13:14
Correlated subquery pull-up
Statement outline
Cost-based query transformation (CBQT)
Convert an OR condition into a UNION ALL of two or more separate queries
Sublink pushdown
Shared Detoast
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