sql for xml path 和group_concat
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sql for xml path 和group_concat
sqlserver*/
select Id,AId,(SELECT IMEI+‘,‘ FROM Device as s WHERE s.Id=c.Id For XML Path(‘‘)) AS IMEI from Device as c
/*mysql*/
select AId,(SELECT group_concat(IMEI) FROM Device as s WHERE s.AId=c.AId ) AS IMEI from AccountSettings as c