[帮助文档] Dataphin的SQL任务中使用left join报错:“ODPS-0130071:[4,4] Semantic analysis exception - expect equality expression (i.e., only use '=' and 'AND') for join condition without mapjoin hint”[KB:413939]
问题描述Dataphin的SQL任务中使用left join时报错:“ODPS-0130071:[4,4] Semantic analysis exception - expect equality expression (i.e., only use '=' and 'AND') for join...
SQL语句的并集UNION,交集JOIN(内连接,外连接),交叉连接(CROSS
SQL语句的并集UNION,交集JOIN(内连接,外连接)<wbr></wbr>,交叉连接(CROSS JOIN笛卡尔积),差集(NOT IN) 1. a. 并集UNION SELECT column1, column2 FROM table1 UNION SE...
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