pg_dump and pg_restore: A reliable way to collect an entire database and restore it to a new location. Great for smaller databases (50-150GB) where a brief downtime window is acceptable. Logical ...

本内容遵循CC 4.0 BY-SA版权协议 做数据库迁移这行当久了，你会发现真正折磨人的往往不是 PostgreSQL 本身，而是“把数据搞进去”这个过程。早些年我导数据还在用 mysqldump 导出再 psql 导入，遇到 ...

CSV files show up in almost every data workflow. Exports from databases, applications, and batch jobs often end up as .csv files, along with problems such as inconsistent delimiters, encoding errors, ...

PostgreSQL has released updates to address a security flaw that allows an account with the REPLICATION attribute to run arbitrary code as the operating-system user running the database server. The ...

Dubbed PostGREShell, CVE-2026-6471 turns low-level replication access into code execution, permanent superuser privileges and a persistent database backdoor. PostgreSQL releases since 2014 contain a ...

凌晨两点，你盯着屏幕上的迁移日志发呆。第 37 次重跑同一个导入脚本，每次都在同一行脏数据上报错退出——数据里有个 MySQL 特有的 0000-00-00 日期，还有一个字段带了非法编码。你手动改了 ...

MySQL, PostgreSQL, and Microsoft SQL Server are compared side by side to help beginners understand the strengths, limitations, and ideal use cases of each SQL database. The video explains differences ...

Making data from transactional databases available to analytical databases is an essential part of any modern data architecture. It is also a perpetual battle against fragile tooling, high costs and ...

The pgpro_result_cache extension stores query results in shared memory for the database cluster. The cached data set is called the result cache. When the same query is executed again, PostgreSQL ...

When you are just starting out with data analysis, one of the first things you learn is how to clean a dataset. It sounds basic, but it is one of the most important skills you will use again and again ...

Serverless PostgreSQL decouples compute and storage so each scales independently, eliminating manual provisioning and charging only for active usage rather than idle capacity. Cold start latency, ...

Tony Phillips is an experienced Microsoft Office user with a dual-honors degree in Linguistics and Hispanic Studies. Prior to starting with How-to Geek in January 2024, he worked as a document ...