摘要：来源：http://www.strivingprogrammers.com/articles/10-regular-expression-validator-for-checking-different-kinds-of-e-mail-address.aspx原文： I was working on Regular Expression Validator and found a very strong expression for checking validity of all kinds of e-mail addresses. So here i am sharing it wit.. 阅读全文

摘要：1.增加列：altertabletableNameaddcolumnNamevarchar(30) 2.修改列类型 altertabletableNamealtercolumncolumnNamevarchar(4000) 3.修改列的名称：EXECsp_rename'tableName.column1','column2'(把表名为tableName的column1列名修改为column2) 3.删除列：altertabletableNamedropcolumncolumnName 记之！ 阅读全文