SQL FULL OUTER JOIN 关键字:左右表中所有记录的全连接解析
SQL RIGHT JOIN关键字返回右表(table2)中的所有记录以及左表(table1)中的匹配记录。如果没有匹配,则左侧的结果为0条记录。 RIGHT JOIN语法 SELECT column_name(s) FROM table1 RIGHT JOIN table2 ON table1.c...
[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 FULL OUTER JOIN 关键字是干嘛的
SQL FULL OUTER JOIN 关键字是干嘛的
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