A software engineer with vast knowledge about distributed system and query optimization. If your PostgreSQL tables are growing into the hundreds of millions of rows and queries are getting sluggish ...
pg_dirtyread 是一个 PostgreSQL 扩展，它利用了 PostgreSQL 的多版本并发控制（MVCC）机制来读取未提交的事务所影响的数据。此插件可以用于在开发和测试环境中快速查看事务对数据的即时影响，当 ...
If you're using Supabase, and have created tables in the Postgres database from outside of Supabase (e.g. with something like Prisma or Strapi), RLS (Row Level Security) won't be active on them. This ...
Ockam is a developer tool. Orchestrate end-to-end encryption and mutual authentication between distributed applications. In this blog post we will explore the Ockam command line interface, ockam and ...
Our previous blog article, “The Part of PostgreSQL We Hate the Most,” discussed the problems caused by everyone’s favorite street-strength DBMS multi-version concurrency control (MVCC) implementation.
MySQLでは一般的に、ユーザーからのクエリやDDLなどの操作はシングルスレッドで処理されます。現行のMySQLでは、PostgreSQLやOracle Databaseが提供しているようなパラレルクエリはサポートしてい ...
如果将现有的 PostgreSQL 数据库转换为 Citus 集群的协调器节点，则其表中的数据可以高效地分布，并且对应用程序的中断最小。 创建和分布表 要创建分布式表，您需要首先定义表 schema。为此，您 ...
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