EntityFramework在不同数据库下的配置

1.SQLServer：

<connectionStrings>  
    <add name="EntityDesignEntities" connectionString="metadata=res://*/EntityDataModel.EntityDesign.csdl|res://*/EntityDataModel.EntityDesign.ssdl|res://*/EntityDataModel.EntityDesign.msl;provider=System.Data.SqlClient;provider connection string="data source=.;initial catalog=DevBase;persist security info=True;user id=sa;password=xxx;multipleactiveresultsets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />  
  </connectionStrings>  

2.Oracle：

<connectionStrings>  
    <add name="EntityDesignEntities" connectionString="metadata=res://*/EntityDataModel.EntityDesign.csdl|res://*/EntityDataModel.EntityDesign.ssdl|res://*/EntityDataModel.EntityDesign.msl;provider=Oracle.DataAccess.Client;provider connection string="data source=xe;password=xxx;persist security info=True;user id=sa"" providerName="System.Data.EntityClient"/>  
  </connectionStrings> 

3.MySQL:

<connectionStrings>  
    <add name="EntityDesignEntities" connectionString="metadata=res://*/EntityDataModel.EntityDesign.csdl|res://*/EntityDataModel.EntityDesign.ssdl|res://*/EntityDataModel.EntityDesign.msl;provider=MySql.Data.MySqlClient;provider connection string="server=localhost;user id=sa;password=xxxx;persist security info=True;database=world"" providerName="System.Data.EntityClient"/>  
  </connectionStrings>