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SQL

Understand the XA Mode of Distributed Transaction in Six Figures

This article gives a thorough explanation of Seata XA mode.

Alibaba's POLARDB Powered 11.11, and Now It's Bringing You Games with Zero Latency

In this episode of Academy in the Studio, James was joined by Vincent and Anthony to discuss how POLARDB can empower your business.

An Introduction to Subqueries

This article shares the optimization techniques of subqueries and tips on handling subqueries in distributed databases.

Friday Blog - Week 14 - MaxCompute UDF Functions: When SQL Just Isn't Cutting It

Learn how to deploy your own custom MaxCompute UDF functions in Python. Even better, learn how you can install and use 3rd party libraries like NumPy .

Use Flink Hudi to Build a Streaming Data Lake

This article introduces the optimization and evolution of Flink Hudi's original mini-batch-based incremental computing model through stream computing.

MyBatis with a More Fluent Experience

The article introduces the Batis series and discusses the benefits of Fluent MyBatis.

Diagnosing Slow Jobs in MaxCompute with Logview

This article identifies the reasons for the slowdown of specific tasks by viewing the logview.

Flink Course Series (7): Flink Ecosystems

This article describes how Flink SQL connects to external systems and introduces commonly used Flink SQL Connectors.

Flink Course Series (5): Introduction and Practice of Flink SQL Table

This article mainly introduces the background, concepts, and features of the Flink SQL and Table API.

How to Sustain a Growing Platform and Gain Online Users

Learn how Xianyu has been building an e-commerce platform made for sustained growth.

Making SQL Optimizer More Accurate: AnalyticDB for PostgreSQL Auto Analyze Feature

This blog introduces the AnalyticDB for PostgreSQL Auto Analyze Feature and discusses how it helps users collect more accurate statistical information.

Application of Delta Lake in Soul

This article explains the background of Delta Lake along with practices, problems, and solutions.

Flink: How to Optimize SQL Performance Using Multiple-input Operators

In this article, the author explains how to optimize SQL performance in Apache Flink using multiple-input operators.

A Deep-Dive on PolarDB Parallel Scanning Technology

This article demonstrates some of the key issues and core technologies of parallel query engines of cloud databases that enable parallel optimization and execution at a lower cost.

雲端資料庫 PolarDB 入門介紹

本文將介紹阿里從傳統商業資料庫到自主研發雲端資料庫 PolarDB 的過程,並總結傳統資料庫的困境、PolarDB 優勢、與電商和遊戲商的成功案例。

Real-Time Data Synchronization Based on Flink SQL CDC

This article focuses on traditional data synchronization solutions, synchronization solutions based on Flink CDC, more application scenarios, and CDC future development plans.

Introduction to SQL in Flink 1.11

This article introduces the major changes and new features of Flink 1.11

Flink 1.11: An Engine with Unified SQL Support for Batch and Streaming Data

This article introduces the enhanced capabilities of Flink 1.11 to support SQL to process batch and streaming data

Alibaba Cloud Elasticsearch: Building a "Search for Images by Image" Search Engine in Four Steps Using Vector Indexing

This article demonstrates how Alibaba Cloud Elasticsearch vector search (aliyun-knn) is used to build a "search for images by image" search engine.

All-New High-Performance PolarDB Stack, Highly Compatible with Oracle

Alibaba announced all-new database, PolarDB Stack, which allows you to deploy cloud databases in your own data centers and migrate traditional databases more easily.