Window Query

How to Solve the Performance Problem of Deduplication Caused by Multi-Column Grouping in Window Queries

This article discusses Recursive Resolution and the Weighted Scan of the Sort Field.

How to Optimize Duplicate Data Cleansing in PostgreSQL

This article evaluates different duplicate data cleansing techniques while considering several technical database issues in PostgreSQL.

PostgreSQL Data Deduplication Methods

This article describes the different PostgreSQL methods to remove duplicates and suggests how to choose the method that works best for users.

Merging Time Series Data in Different Scenarios with PostgreSQL

This article discusses the implementation for merging time series data in Composite Indexes, Window Group Query Acceleration, and Extraordinary Recursive Acceleration.