文件名称:Hive的查询-hive&sqoop;的ppt
文件大小:471KB
文件格式:PPT
更新时间:2024-05-16 04:07:22
hive sqoop
Hive的查询 select SELECT [ALL | DISTINCT] select_expr, select_expr, ... FROM table_reference [WHERE where_condition] [GROUP BY col_list] [ CLUSTER BY col_list | [DISTRIBUTE BY col_list] [SORT BY col_list] | [ORDER BY col_list] ] [LIMIT number] DISTRIBUTE BY 指定分发器(Partitioner),多Reducer可用