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digoal

PostgreSQL Evangelist. [My Git](https://github.com/digoal/blog/blob/master/README.md)

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digoal Posted blog

Double Eleven Technology Series: Replacing Word Segmentation with Regular Expression and Similarity

In this article, we will explore how we can implement fuzzy query and similarity-based query for text searching by using PostgreSQL.

digoal Posted blog

Double Eleven Technology Series: Logistics and Dynamic Path Planning

This article introduces how Alibaba optimizes logistics for the Double Eleven online shopping festival using PostgreSQL, Greenplum, and PostGIS.

digoal Posted blog

Double Eleven Technology Series: Word Segmentation and Index Searching

This article introduces how Alibaba uses PostgreSQL index searching and word segmentation technologies for its annual Double Eleven online shopping festival.

digoal Posted blog

Double Eleven Technology Series: Flash Sales Optimization on PostgreSQL

In this article, we will discover how Alibaba optimizes flash sales for its annual Double Eleven online shopping festival using advisory locks on PostgreSQL.

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