ORA-21525：attribute number or (collection element at index) string violated its constraints
错误码
错误描述：attribute number or (collection element at index) string violated its constraints
错误原因：Attribute value or collection element value violated its constraint.
解决方法：Change the value of the attribute or collection element such that it meets its constraints. The constraints are specified as part of the attribute or collection element's schema information.
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