sql server 2008数据库连接字符串大全

一、.NET Framework Data Provider for SQL Server类型：.NET Framework类库使用：System.Data.SqlClient.SqlConnection厂商：Microsoft

1.标准安全连接复制代码代码如下:Data Source = myServerAddress;Initial Catalog = myDataBase;User Id = myUsername;Password = myPassword;使用服务器名\\实例名作为连接指定SQL Server实例的数据源。如果你使用的是SQL Server 2008 Express版，实例名为SQLEXPRESS。2.可替代的标准安全连接复制代码代码如下:Server = myServerAddress;Database = myDataBase;User ID = myUsername;Password = myPassword;Trusted_Connection = False;这条连接字符串跟上一条效果一样。把这条写出来只是想说，其实很多连接字符串的关键字有多种写法。3.信任连接复制代码代码如下:Data Source = myServerAddress;Initial Catalog = myDataBase;Integrated Security = SSPI;可替代的信任连接复制代码代码如下:Server = myServerAddress;Database = myDataBase;Trusted_Connection = True;4.连接Windows CE设备的信任连接通常一台Windows CE设备在一个域里是不能被认证和登录的。为了让一台CE设备使用SSPI或信任连接和认证，可以使用下面的连接字符串：复制代码代码如下:Data Source = myServerAddress;Initial Catalog = myDataBase;Integrated Security = SSPI;User ID = myDomain \\myUsername;Password = myPassword;说明一下，这条语句只能在CE设备上用。5.使用IP地址的连接复制代码代码如下:Data Source = 190.168.1.100,1433;Network Library = DBMSSOCN;Initial Catalog = myDataBase;User ID = myUsername;Password = myPassword;这条语句用TCP/IP地址替代了命名管道。在Data Source字段最后的是使用的端口。SQL Server默认使用的端口是1433。6.开启MARS功能(multiple active result sets)复制代码代码如下:Server = myServerAddress;Database = myDataBase;Trusted_Connection = True; MultipleActiveResultSets = true;MARS不支持ADO.NET 1.0和ADO.NET 1.1。7.在连接到SQL Server Express实例时附加一个数据库文件

复制代码代码如下:Server = .\\SQLExpress;AttachDbFilename = c:\\asd\\qwe\\mydbfile.mdf;Database = dbname; Trusted_Connection = Yes;这里为什么还需要Database字段呢？因为如果指定的数据库文件已经被附加，那么SQL Server不会再附加它，而使用已附加的数据库作为默认数据库。

8.在连接到SQL Server Express实例时，从数据目录下附加一个数据库文件复制代码代码如下:Server = .\\SQLExpress;AttachDbFilename = |DataDirectory|mydbfile.mdf; Database = dbname;Trusted_Connection = Yes;

9.在本地SQL Server Express实例上使用用户实例用户实例这个功能会在连接的过程中，新建一个SQL Server实例。该功能只有在本地SQL Server实例上，且连接时使用通过本地命名通道的Windows认证。这样做的好处是，可以给一个在本地计算机上只有相当有限的管理员权限的用户，新建一个拥有全部权限的SQL Server实例。复制代码代码如下:Data Source = .\\SQLExpress;Integrated Security = true; AttachDbFilename = |DataDirectory|\\mydb.mdf;User Instance = true;若想使用用户实例这个功能，需要先在SQL Server将其开启。开启命令为：复制代码代码如下:sp_configure \’user instances enabled\’, \’1\’

取消命令为：复制代码代码如下:sp_configure \’user instances enabled\’, \’0\’

注：这两条命令只在SQL Server Express中有效。

10.数据库镜像如果你用ADO.NET或者SQL Native Client去连接一个数据库镜像,当这个数据库镜像进行故障切换的时候,你的应用程序可以利用驱动器的特性去自动重定向连接。当然，你必须在连接字段里指定初始的主服务器和数据库，以及用于故障切换的镜像服务器。复制代码代码如下:Data Source = myServerAddress;Failover Partner = myMirrorServerAddress;Initial Catalog = myDataBase;Integrated Security = True;上面的例子只是介绍了一下如何使用数据库镜像，你可以将Failover Partner字段跟其他连接字符串功能组合使用。

11.异步处理复制代码代码如下:Server = myServerAddress;Database = myDataBase;Integrated Security = True;Asynchronous Processing = True;

二、SQL Server Native Client 10.0 OLE DB Provider

类型：OLE DB Provider使用：Provider=SQLNCLI10厂商：Microsoft

1.标准安全连接复制代码代码如下:Provider = SQLNCLI10;Server = myServerAddress;Database = myDataBase;Uid = myUsername; Pwd = myPassword;2.信任连接复制代码代码如下:Provider = SQLNCLI10;Server = myServerAddress;Database = myDataBase; Trusted_Connection = yes;\”Integrated Security=SSPI\” 和 \”Trusted_Connection=yes\”是等价的。3.连接一个SQL Server实例复制代码代码如下:Provider = SQLNCLI10;Server = myServerName\\theInstanceName;Database = myDataBase; Trusted_Connection = yes;

4.用户名、密码提示复制代码代码如下:oConn.Properties(\”Prompt\”) = adPromptAlwaysoConn.Open \”Provider = SQLNCLI10;Server = myServerAddress;DataBase = myDataBase;5.开启MARS功能 (multiple active result sets)复制代码代码如下:Provider = SQLNCLI10;Server = myServerAddress;Database = myDataBase; Trusted_Connection = yes;MARS Connection = True;6.加密模式复制代码代码如下:Provider = SQLNCLI10;Server = myServerAddress;Database = myDataBase; Trusted_Connection = yes;Encrypt = yes;7.在连接到SQL Server Express实例时附加一个数据库文件复制代码代码如下:Provider = SQLNCLI10;Server = .\\SQLExpress;AttachDbFilename = c:\\asd\\qwe\\mydbfile.mdf; Database = dbname; Trusted_Connection = Yes;8.在连接到SQL Server Express实例时，从数据目录下附加一个数据库文件复制代码代码如下:Provider = SQLNCLI10;Server = .\\SQLExpress;AttachDbFilename = |DataDirectory|mydbfile.mdf; Database = dbname;Trusted_Connection = Yes;9.数据库镜像复制代码代码如下:Provider = SQLNCLI10;Data Source = myServerAddress;Failover Partner = myMirrorServerAddress;Initial Catalog = myDataBase;Integrated Security = True;

三、.NET Framework Data Provider for OLE DB

类型：.NET Framework Wrapper Class Library使用：System.Data.OleDb.OleDbConnection厂商：Microsoft

1.桥接到SQL Native Client OLE DB复制代码代码如下:Provider = SQLNCLI10;Server = myServerAddress;Database = myDataBase;Uid = myUsername; Pwd = myPassword;

四、SQL Server Native Client 10.0 ODBC Driver

类型：ODBC Driver使用：Driver={SQL Server Native Client 10.0}厂商：Microsoft

1.标准安全连接复制代码代码如下:Driver = {SQL Server Native Client 10.0};Server = myServerAddress;Database = myDataBase;Uid = myUsername;Pwd = myPassword;2.信任连接复制代码代码如下:Driver = {SQL Server Native Client 10.0};Server = myServerAddress;Database = myDataBase;Trusted_Connection = yes;3.连接一个SQL Server实例复制代码代码如下:Driver = {SQL Server Native Client 10.0};Server = myServerName\\theInstanceName; Database = myDataBase;Trusted_Connection = yes;4.用户名、密码提示复制代码代码如下:Conn.Properties(\”Prompt\”) = adPromptAlwaysDriver = {SQL Server Native Client 10.0};Server = myServerAddress;Database = myDataBase;5.开启MARS功能 (multiple active result sets)复制代码代码如下:Driver = {SQL Server Native Client 10.0};Server = myServerAddress;Database = myDataBase;Trusted_Connection = yes; MARS_Connection = yes;6.加密模式复制代码代码如下:Driver = {SQL Server Native Client 10.0};Server = myServerAddress;Database = myDataBase; Trusted_Connection = yes;Encrypt = yes;7.在连接到SQL Server Express实例时附加一个数据库文件复制代码代码如下:Driver = {SQL Server Native Client 10.0};Server = .\\SQLExpress; AttachDbFilename = c:\\asd\\qwe\\mydbfile.mdf; Database = dbname;Trusted_Connection = Yes;8.在连接到SQL Server Express实例时，从数据目录下附加一个数据库文件复制代码代码如下:Driver={SQL Server Native Client 10.0};Server=.\\SQLExpress;AttachDbFilename=|DataDirectory|mydbfile.mdf; Database=dbname;Trusted_Connection=Yes;9.数据库镜像复制代码代码如下:Driver = {SQL Server Native Client 10.0};Server = myServerAddress;Failover_Partner = myMirrorServerAddress;Database = myDataBase; Trusted_Connection = yes;

五、.NET Framework Data Provider for ODBC

类型：.NET Framework Wrapper Class Library使用：System.Data.Odbc.OdbcConnection厂商：Microsoft

桥接到SQL Native Client 10.0 ODBC Driver下面的语句只是一条例子，不同厂商的ODBC驱动不同。复制代码代码如下:Driver={SQL Server Native Client 10.0};Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword;

六、SQLXML 4.0 OLEDB Provider

类型：OLE DB Provider使用：Provider=SQLXMLOLEDB.4.0;Data Provider=providername厂商：Microsoft

复制代码代码如下:Provider=SQLXMLOLEDB.4.0;Data Provider=SQLNCLI10;Data Source=myServerAddress;Initial Catalog=myDataBase;User Id=myUsername;Password=myPassword;

七、Context Connection

类型：.NET Framework Class Library使用：厂商：Microsoft

通过当前CLR里的存储过程/函数来连接到“自身”。上下文连接可以让你，在你的代码第一次被调用的地方所在的上下文（连接）里，执行T-SQL语句。C#：复制代码代码如下:

using(SqlConnection connection = new SqlConnection(\”context connection=true\”)){ connection.Open(); // Use the connection}

VB.Net

Using connection as new SqlConnection(\”context connection=true\”) connection.Open() \’ Use the connectionEnd Using

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