2026年1月11日

摘要： Apache Avro is an open-source data serialization system used primarily in big data ecosystems like Hadoop and Kafka. It transforms complex data struct 阅读全文

posted @ 2026-01-11 19:16 ZhangZhihuiAAA 阅读(3) 评论(0) 推荐(0)

Hive - HCatalog

摘要： Overview HCatalog is a table and storage management layer for Hadoop that enables users with different data processing tools — Pig, MapReduce — to mor 阅读全文

posted @ 2026-01-11 15:33 ZhangZhihuiAAA 阅读(6) 评论(0) 推荐(0)

Hive - Variables

摘要： https://hive.apache.org/docs/latest/language/languagemanual-variablesubstitution/ Using Variables There are three namespaces for variables – hiveconf, 阅读全文

posted @ 2026-01-11 10:50 ZhangZhihuiAAA 阅读(17) 评论(0) 推荐(0)

Hive - Commands

摘要： https://hive.apache.org/docs/latest/language/languagemanual-commands/ set: -- For hiveconf variables set my_var=; -- For hivevar variables set hivevar 阅读全文

posted @ 2026-01-11 10:47 ZhangZhihuiAAA 阅读(6) 评论(0) 推荐(0)


博客园 © 2004-2026 浙公网安备 33010602011771号浙ICP备2021040463号-3

导航

2026年1月11日