说明: 项目——网络社区(ASP.Net),其中涉及到一个很常见却也很重要的功能就是“批量删除”。 用ASP开发网上商城时是使用的Access数据库,当时并不知道Access有存储过程,更准确的说法是:那时候根本就不知道什么是存储过程。所以在做批量删除是使用的拼SQL语句的做法 Delete SystemLog Where ID = 1 or ID = 2 or ID = 3; 等价于 Delete SystemLog Where ID in(1,2,3); 这样的设计有两个缺陷: <weapon578786647> 上传 | 大小:16kb
说明: MSC.Nastran is a general purpose finite element program which solves a wide variety of engineering problems. It is developed, marketed and supported by the MSC.Software Corporation. The MSC.Nastran Design Sensitivity and Optimization User’s Guide is <lpy123456789> 上传 | 大小:185kb
说明: MSC.Nastran is a general purpose finite element program which solves a wide variety of engineering problems. It is developed, marketed and supported by the MSC.Software Corporation. The MSC.Nastran Design Sensitivity and Optimization User’s Guide is <lpy123456789> 上传 | 大小:183kb