本文并非官方文档的简单翻译，而是结合多方信息源和实战经验，对 Spark 3 到 Spark 4 的迁移进行一次系统性梳理。我们将从"必须改"、"容易踩坑"、"值得利用"三个维度，帮助你制定一个清晰的迁移路线图。

Proprietary warehouses delivered scale — but at the cost of control, predictable pricing, and real flexibility. Enterprises are doing the math.

IT white papers, webcasts, case studies, and much more - all free to registered TechRepublic members. As someone who has worked closely with small and mid-sized businesses, I see the same challenge ...

Artificial intelligence has become embedded in nearly every operational layer of modern institutions. It parses documents, ...

先说一个真实案例：2024年，某专科院校大数据专业的李同学，凭借扎实的项目经验和CDA二级证书，成功入职某知名电商平台的数据运营岗，起薪12K。他的同班同学中，有3人进入了互联网中厂，5人拿到了数据分析相关offer。

EDB Postgres AI推出WarehousePG开源数据仓库解决方案，基于Postgres构建的MPP架构可扩展至PB级规模。该方案通过FlowServer实现实时数据摄取，支持原生向量处理和数据库内AI/ML功能，提供混合存储和SQL访问能力。相比传统专有平台，可降低58%的总拥有成本，帮助企业摆脱供应商锁定，实现数据主权和架构灵活性。