摘要:
DataSet ds = new DataSet() DataSet dt= ds.Tables[0] 或 var dt = DbHelperOra.GetTable($"select * from B_CERTIFICATE_SUB where C_GUID={C_IDList[i]}"); Da 阅读全文
摘要:
select --拼接第一个列 , ||字符||字符 a.certificate_tree_name||'('||count(a.certificate_tree_name)||')' as "拼接好的数据" --统计结果 ,count(a.certificate_tree_name) from B 阅读全文