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digoal

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

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Activities(50) Posts(110) Series(10) Areas of Expertise Following Followers

digoal Posted blog

Use Case Analysis - Real-time Precision Marketing and Group Selection

This article discusses various pain points and technical solutions for precision marketing and group selection across multiple industries.

digoal Posted blog

Use Case Analysis - Image Recognition and Similar Feature Retrieval with PostgreSQL

This article discusses the challenges in image recognition and demonstrates how ApsaraDB RDS for PostgreSQL solves these challenges.

digoal Posted blog

Real-Time Conversion in Data Loading - Triggers and Rules

This article explains how PostgreSQL supports triggers and rules to effectively convert string data into the types supported by PostgreSQL in real-time.

digoal Posted blog

How to Optimize Duplicate Data Cleansing in PostgreSQL

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

digoal Posted blog

How to Retrieve and Deduplicate Similar Text in PostgreSQL

This article attempts to answer a series of questions raised in the Alibaba Cloud Community's Q&A section regarding the retrieval and deduplication of similar text in PostgreSQL.

digoal Posted blog

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.

digoal Posted blog

PostgreSQL Data Rotate Method Introduction: Overwrite History Data by Time

This article explains the method to rotate data using partition tables in polling mode while using truncate to clear partitions.

digoal Posted blog

How Does PostgreSQL Implement Batch Update, Deletion, and Insertion?

This article addresses all the frequently asked questions pertaining to batch update, insertion, and deletion in PostgreSQL.

digoal Posted blog

How Does PostgreSQL Implement Upsert to Automatically Separate New Data from Old Data

This article explains the method that PostgreSQL uses to implement upsert for automatically separating new data from old data.

digoal Posted blog

Data Sampling in PostgreSQL

This article gives a quick walkthrough on how to perform data sampling in PostgreSQL using a comprehensive example.

digoal Posted blog

Use of the PostgreSQL Upsert (INSERT ON CONFLICT DO) Function

This article introduces a new function of PostgreSQL 9.5 called Upsert (INSERT ON CONFLICT DO).

digoal Posted blog

Automatic Cleaning and Scheduling of PostgreSQL Rotate Tables - Constraints and Triggers

This article demonstrates how to use constraints and triggers for automatic cleaning and scheduling of PostgreSQL tables.

digoal Posted blog

Compatibility between PostgreSQL and Oracle - Data Sampling and Desensitization

This article explores the compatibility between PostgreSQL and Oracle regarding the common test functions- data sampling and data desensitization.

digoal Posted blog

Three Things to Looking Forward to from PostgreSQL in 2020

In this post, Digoal presents his predictions for what we'll see for PostgreSQL in 2020.

digoal Posted blog

Store Operations Optimization: Search Acceleration over PostgreSQL Arrays, JSON and Internal Tag Data

This post describes performance optimization methods to improve store operations by accelerating equivalent and range searches over PostgreSQL Arrays, JSON and Internal Tag Data.

digoal Posted blog

PostgreSQL Similarity Search: Millisecond-level Similarity Search for Addresses, QA, POIs, and Other Text

This post outlines the design and performance of PostgreSQL Similarity Search and describes similarity searches for random texts and arrays to see how PostgreSQL standalone performs.

digoal Posted blog

PostgreSQL Application in Image Search and Video and Image Deduplication

This post describes how PostgreSQL Image Search Plug-in helps to accelerate image-based searches and also highlights how PostgreSQL helps to screen out duplicate videos.

digoal Posted blog

Keyword Analysis with PostgreSQL: Cosine and Linear Correlation Algorithms for Text Analysis

This article describes the application of PostgreSQL along with algorithms to extract keywords from a document for text (keyword) analysis.

digoal Posted blog

Keyword Analysis with PostgreSQL: Algorithms for Text Analysis with the Smlar Plug-in

This article provides an overview of the smlar plug-in and describes how it supports multiple similarity algorithms.

digoal Posted blog

Keyword Analysis with PostgreSQL: Algorithms for Text Analysis with RUM and Smlar

This post outlines different methods to find the similarity between documents in various scenarios and focuses on how different algorithms can be used to improve efficiency in such scenarios.

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