report number
ROWNUM：报表中所有行的顺序编号，便于进行引用。
ROWNUM: This sequential numbering of all the rows in the report for reference purposes.
youdao
例如，您可能希望人员报表中包含姓名、办公室编号、部门和成本中心等列。
For example, you might want a report about people to include name, office number, department, and cost center columns.
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