2010年6月20日
Primary key in SQL Statements
--A)建立和撤销自动增长列--（在现有表结构中新增字段）/*撤消主键*/alter table [Student] drop primary key (S_id)/*增加主键*/alter table [Student] add primary key (S_id) goalter table xyf_成品出口耗用保税料件明细 add Pkey int primary key identity(... Read More
posted @ 2010-06-20 11:16 Fandy Xie Views(275) Comments(1) Diggs(0) Edit
Case SQL statements of Usage
Code as below:Remark by Jimmy Jun 20th 2010代码 Read More
posted @ 2010-06-20 09:04 Fandy Xie Views(193) Comments(0) Diggs(0) Edit