2012年10月31日
sql distinct
摘要： ---沒有去除重復的記錄select distinct ContractLaborEmployeeUidKey,ContractLaborEndDate from ContractLaborList order by ContractLaborEndDate descselect * from ContractLaborList order by ContractLaborEmployeeUidKey---沒有去除重復的記錄select * from ContractLaborList where ContractLaborEmployeeUidKey in (select distinct. 阅读全文
posted @ 2012-10-31 19:18 ®Geovin Du Dream Park™ 阅读(246) 评论(0) 推荐(0)