三.表的别名 SELECT * FROM (SELECT * FROM A) GROUP BY COL_1 当需要类似的子查询语句时,迁移至HIVE时需要给子查询起别名,否则会报语法错误。 迁移至HIVE语句为: SELECT * FROM (SELECT * FROM A) B GROUP BY B.COL_1 四.HIVE特性 在迁移的…
Bigtable: A Distributed Storage System for Structured Data
(作为分布式数据库的经典文献,个人在学习的过程中参考其它译文进行翻译: 参考译文: https://blog.csdn.net/u010359965/article/details/49795133 )
摘…
Google Bigtable 中文版 Abstract1 Introduction2 Data Model3 API4 Building Blocks5 Implementation5.1 Tablet Location5.2 Tablet Assignment5.3 Tablet Serving5.4 Compactions 6 Refinements7 Performance Evaluation8 Real applications8.1 Google Analytics8.2 Google …