SQL分组合并

STUFF ( character_expression , start , length ,character_expression )

select TcodMedInst_GUID,stuff((SELECT ‘,‘ + DeptName+‘|‘+guid FROM TcodDeptHosContrast AS t WHERE t.TcodMedInst_GUID = tb.TcodMedInst_GUID FOR xml path(‘‘)), 1, 1, ‘‘) Dept from TcodDeptHosContrast tb
group by TcodMedInst_GUID

SQL分组合并

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