ORA-18452：unable to retrieve materialized view SQL for dimension "string" because the cache star type is not MATERIALIZED
错误码
错误描述：unable to retrieve materialized view SQL for dimension "string" because the cache star type is not MATERIALIZED
错误原因：An attempt was made to retrieve materialized view SQL for a non-MATERIALIZED dimension.
解决方法：Alter the dimension so that the cache star type is MATERIALIZED or select a dimension with a MATERIALIZED cache star type.
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