数据库类型的相关内容

文章 2010-07-10 来自：开发者社区

.Net FrameWork 4.0中使用EF向数据库插入数据报datatime2类型错误的解决办法

最近用.Net 4.0创建EF的持久层，老是在插入新数据时,报datatime2类型错误。找了很多资料，都没有得到解决，后来我询问了我的一个同事,Tom 给我解决了这个问题。 Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->由于E...

文章 2009-11-01 来自：开发者社区

通过JDBC检测远端数据库类型（源码）

工作中经常有告诉了一个数据库服务器JDBC连接信息，而不说数据库版本的，以致开发时不敢用该种数据库最新的特性。我写了一段小程序，用于探测远端数据库服务器类型： import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.DriverManager; import java.sq...

文章 2006-09-20 来自：开发者社区

有关读取SQL数据库里TEXT和NTEXT类型字段内容的问题

老是遇到TEXT类型和NTEXT类型的字段读不出来的问题.今天弄了半天,又查了资料,终于把这个问题搞定了首先我们应该了解这两个类型的字段到底有什么不同:虽然看起这他们是叫TEXT,但他不是用来保存文本的,实际上是用来保存文件,和IMAGE类型一样的,一般用来保存MIME类型的数据.而我把它用来保存新闻的主体内容了,这样能存的更多.结果老是读取不出来......我用的是ADO连接,在读取数据时,因....

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