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Tag: Migration

  • Newspaper Notes: China Hukou Reform

    By Yongjie Xue In Notes 2359 words 12 min

    Yongjie XueEnglish-WritingVocabularyNewspaperChinaEconomicsMigration

    Newspaper Notes: China Hukou Reform Date: 2026-06-02 Category: english-writing Source Article “Without fanfare, China is making rural migrants’ lives easier” - May 28, 2026. Summary The article argues that China’s gradual relaxation of the hukou …

    Newspaper Notes: China Hukou Reform Date: 2026-06-02 Category: english-writing Source Article “Without fanfare, China is making rural migrants’ lives easier” - May 28, 2026. Summary The article argues that China’s gradual relaxation of the hukou …

  • Online PostgreSQL Column Type Migration

    By Yongjie Xue In PGSQL 786 words 4 min

    Yongjie XuePostgreSQLPG AdminMigration

    Online PostgreSQL Column Type Migration

    Scenario In the lifecycle of a database, there’s a common type of requirement: modifying column types. For example: Using INT as a primary key, only to discover that business is booming and the 2.1 billion limit of INT32 isn’t enough, wanting to …

    Scenario In the lifecycle of a database, there’s a common type of requirement: modifying column types. For example: Using INT as a primary key, only to discover that business is booming and the 2.1 billion limit of INT32 isn’t enough, wanting to …

  • Changing Engines Mid-Flight — PostgreSQL Zero-Downtime Data Migration

    By Yongjie Xue In PGSQL 673 words 4 min

    Yongjie XuePostgreSQLPG AdminMigration

    Changing Engines Mid-Flight — PostgreSQL Zero-Downtime Data Migration

    Data migration typically involves stopping services for updates. Zero-downtime data migration is a relatively advanced operation. Zero-downtime data migration can essentially be viewed as consisting of three operations: Replication: Logical …

    Data migration typically involves stopping services for updates. Zero-downtime data migration is a relatively advanced operation. Zero-downtime data migration can essentially be viewed as consisting of three operations: Replication: Logical …