Request请求中获取来源地址:
Java:String referer = request.getHeader("referer");
C#: Request.UrlReferrer.AbsoluteUri;
手动生成自增字段:
SqlServer:
create table tb_UnitType( id int primary key identity(1,1);
Access:
CREATE TABLE tb_Link (id AUTOINCREMENT primary key);
数据库字段默认取当前时间:
Oracle:default SYSDATE
SQL Server:default getDate()
MySql:default CURRENT_TIMESTAMP
Access:default now()
若表存在则先删除表
SqlServer:
if exists (select * from dbo.sysobjects where id = object_id(N'tb_UnitType') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table tb_UnitType;
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