ORA-22903: MULTISET expression not allowed
Cause: MULTISET expressions are allowed only inside a CAST to a nested table or VARRAY type.
Action: put the MULTISET(subquery) expression inside a CAST to a nested table or VARRAY type.
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ORA-22903: MULTISET expression notallowederror是一个SQL编译时发出的警告。这个错误表明用户企图使用MULTISET集合类型,例如立品组合或结构,而oracle数据库没有支持这样的类型。
SELECT * FROM table_name;