摘要:
举个例子 table A中的部分栏位修改到Table B中的某栏位 就是使用 WITH AS短语 用做子查询 附上具体代码 WITH ctea AS(Select ROW_NUMBER() OVER(ORDER BY id ) rn, * from table A where Gender='男') 阅读全文
摘要:
6万笔数据瞬间导入进DB 命名空间 using NPOI.HSSF.UserModel; using NPOI.XSSF.UserModel; //Filename为文件路径 public JsonResult ConsumptionUploadcoupon(string filename) { C 阅读全文
摘要:
SELECT a.name, b.rows FROM sysobjects AS a INNER JOIN sysindexes AS b ON a.id = b.id WHERE (a.type = 'u') AND (b.indid IN (0, 1)) ORDER BY b.rows DESC 阅读全文