连接数据库的字符串

SQL Server  ODBC  Standard Security: "Driver={SQL Server};Server=Aron1;Database=pubs;Uid=sa;Pwd=asdasd;"  Trusted connection: "Driver={SQL Server};Server=Aron1;Database=pubs;Trusted_Connection=yes;"  Prompt for username and password: oConn.Properties("Prompt") = adPromptAlways oConn.Open "Driver={SQL Server};Server=Aron1;DataBase=pubs;"  OLE DB, OleDbConnection (.NET)  Standard Security: "Provider=sqloledb;Data Source=Aron1;Initial Catalog=pubs;User Id=sa;Password=asdasd;"  Trusted Connection: "Provider=sqloledb;Data Source=Aron1;Initial Catalog=pubs;Integrated Security=SSPI;" (use serverName/instanceName as Data Source to use an specifik SQLServer instance, only SQLServer2000)  Prompt for username and password: oConn.Provider = "sqloledb" oConn.Properties("Prompt") = adPromptAlways oConn.Open "Data Source=Aron1;Initial Catalog=pubs;"  Connect via an IP address: "Provider=sqloledb;Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=pubs;User ID=sa;Password=asdasd;" (DBMSSOCN=TCP/IP instead of Named Pipes, at the end of the Data Source is the port to use (1433 is the default))  SqlConnection (.NET)  Standard Security: "Data Source=Aron1;Initial Catalog=pubs;User Id=sa;Password=asdasd;"    - or - "Server=Aron1;Database=pubs;User ID=sa;Password=asdasd;Trusted_Connection=False"    (booth connection strings produces the same result)  Trusted Connection: "Data Source=Aron1;Initial Catalog=pubs;Integrated Security=SSPI;"    - or - "Server=Aron1;Database=pubs;Trusted_Connection=True;"    (booth connection strings produces the same result) (use serverName/instanceName as Data Source to use an specifik SQLServer instance, only SQLServer2000)  Connect via an IP address: "Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=pubs;User ID=sa;Password=asdasd;" (DBMSSOCN=TCP/IP instead of Named Pipes, at the end of the Data Source is the port to use (1433 is the default))  Declare the SqlConnection: C#: using System.Data.SqlClient; SqlConnection oSQLConn = new SqlConnection(); oSQLConn.ConnectionString="my connectionstring"; oSQLConn.Open(); VB.NET: Imports System.Data.SqlClient Dim oSQLConn As SqlConnection = New SqlConnection() oSQLConn.ConnectionString="my connectionstring" oSQLConn.Open()  Data Shape  MS Data Shape "Provider=MSDataShape;Data Provider=SQLOLEDB;Data Source=Aron1;Initial Catalog=pubs;User ID=sa;Password=asdasd;" 　  Access  ODBC  Standard Security: "Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb;Uid=Admin;Pwd=;"  Workgroup: "Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb;SystemDB=C:/mydatabase.mdw;"  Exclusive: "Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb;Exclusive=1;Uid=admin;Pwd="  OLE DB, OleDbConnection (.NET)  Standard security: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=/somepath/mydb.mdb;User Id=admin;Password=;"  Workgroup (system database): "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=/somepath/mydb.mdb;Jet OLEDB:System Database=system.mdw;"  With password: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=/somepath/mydb.mdb;Jet OLEDB:Database Password=MyDbPassword;"  Oracle  ODBC  New version: "Driver={Microsoft ODBC for Oracle};Server=OracleServer.world;Uid=Username;Pwd=asdasd;"  Old version: "Driver={Microsoft ODBC Driver for Oracle};ConnectString=OracleServer.world;Uid=myUsername;Pwd=myPassword;"  OLE DB, OleDbConnection (.NET)  Standard security: "Provider=msdaora;Data Source=MyOracleDB;User Id=UserName;Password=asdasd;" This one's from Microsoft, the following are from Oracle  Standard Security: "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;User Id=Username;Password=asdasd;"  Trusted Connection: "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;OSAuthent=1;"  OracleConnection (.NET)  Standard: "Data Source=Oracle8i;Integrated Security=yes;" This one works only with Oracle 8i release 3 or later  Specifying username and password: "Data Source=Oracle8i;User Id=username;Password=passwd;Integrated Security=no;" This one works only with Oracle 8i release 3 or later  Declare the OracleConnection: C#: using System.Data.OracleClient; OracleConnection oOracleConn = new OracleConnection(); oOracleConn.ConnectionString = "my connectionstring"; oOracleConn.Open(); VB.NET: Imports System.Data.OracleClient Dim oOracleConn As OracleConnection = New OracleConnection() oOracleConn.ConnectionString = "my connectionstring" oOracleConn.Open()  Core Labs OraDirect (.NET)  Standard: "User ID=scott; Password=tiger; Host=ora; Pooling=true; Min Pool Size=0;Max Pool Size=100; Connection Lifetime=0" 　  Data Shape  MS Data Shape: "Provider=MSDataShape.1;Persist Security Info=False;Data Provider=MSDAORA;Data Source=orac;user id=username;password=mypw" 　  MySQL  ODBC  Local database: "Driver={mySQL};Server=mySrvName;Option=16834;Database=mydatabase;"  Remote database: "Driver={mySQL};Server=data.domain.com;Port=3306;Option=131072;Stmt=;Database=my-database;Uid=username;Pwd=password;"  OLE DB, OleDbConnection (.NET)  Standard: "Provider=MySQLProv;Data Source=mydb;User Id=UserName;Password=asdasd;"  MySqlConnection (.NET)  eInfoDesigns.dbProvider: "Data Source=server;Database=mydb;User ID=username;Password=pwd;Command Logging=false" 　  Declare the MySqlConnection: C#: using eInfoDesigns.dbProvider.MySqlClient; MySqlConnection oMySqlConn = new MySqlConnection(); oMySqlConn.ConnectionString = "my connectionstring"; oMySqlConn.Open(); VB.NET: Imports eInfoDesigns.dbProvider.MySqlClient Dim oMySqlConn As MySqlConnection = New MySqlConnection() oMySqlConn.ConnectionString = "my connectionstring" oMySqlConn.Open()  SevenObjects MySqlClient (.NET)  Standard: "Host=server; UserName=myusername; Password=mypassword;Database=mydb;" 　  Core Labs MySQLDirect (.NET)  Standard: "User ID=root; Password=pwd; Host=localhost; Port=3306; Database=test;Direct=true; Protocol=TCP; Compress=false; Pooling=true; Min Pool Size=0;Max Pool Size=100; Connection Lifetime=0" 　  Interbase  ODBC, Easysoft  Local computer: "Driver={Easysoft IB6 ODBC};Server=localhost;Database=localhost:C:/mydatabase.gdb;Uid=username;Pwd=password"  Remote Computer: "Driver={Easysoft IB6 ODBC};Server=ComputerName;Database=ComputerName:C:/mydatabase.gdb;Uid=username;Pwd=password"  ODBC, Intersolv  Local computer: "Driver={INTERSOLV InterBase ODBC Driver (*.gdb)};Server=localhost;Database=localhost:C:/mydatabase.gdb;Uid=username;Pwd=password"  Remote Computer: "Driver={INTERSOLV InterBase ODBC Driver (*.gdb)};Server=ComputerName;Database=ComputerName:C:/mydatabase.gdb;Uid=username;Pwd=password" 　  OLE DB, SIBPROvider  Standard: "provider=sibprovider;location=localhost:;data source=c:/databases/gdbs/mygdb.gdb;user id=SYSDBA;password=masterkey"  Specifying character set: "provider=sibprovider;location=localhost:;data source=c:/databases/gdbs/mygdb.gdb;user id=SYSDBA;password=masterkey;character set=ISO8859_1"  Specifying role: "provider=sibprovider;location=localhost:;data source=c:/databases/gdbs/mygdb.gdb;user id=SYSDBA;password=masterkey;role=DIGITADORES"  IBM DB2  OLE DB, OleDbConnection (.NET) from ms  TCP/IP: "Provider=DB2OLEDB;Network Transport Library=TCPIP;Network Address=XXX.XXX.XXX.XXX;Initial Catalog=MyCtlg;Package Collection=MyPkgCol;Default Schema=Schema;User ID=MyUser;Password=MyPW"  APPC: "Provider=DB2OLEDB;APPC Local LU Alias=MyAlias;APPC Remote LU Alias=MyRemote;Initial Catalog=MyCtlg;Package Collection=MyPkgCol;Default Schema=Schema;User ID=MyUser;Password=MyPW"  ODBC  Standard: "driver={IBM DB2 ODBC DRIVER};Database=myDbName;hostname=myServerName;port=myPortNum;protocol=TCPIP; uid=myUserName; pwd=myPwd"  Sybase  ODBC  Standard Sybase System 12 (or 12.5) Enterprise Open Client: "Driver={SYBASE ASE ODBC Driver};Srvr=Aron1;Uid=username;Pwd=password"  Standard Sybase System 11: "Driver={SYBASE SYSTEM 11};Srvr=Aron1;Uid=username;Pwd=password;" 　  Intersolv 3.10: "Driver={INTERSOLV 3.10 32-BIT Sybase};Srvr=Aron1;Uid=username;Pwd=password;"  Sybase SQL Anywhere (former Watcom SQL ODBC driver): "ODBC; Driver=Sybase SQL Anywhere 5.0; DefaultDir=c:/dbfolder/;Dbf=c:/mydatabase.db;Uid=username;Pwd=password;Dsn=""""" Note! The two double quota following the DSN parameter at the end are escaped quotas (VB syntax), you may have to change this to your language specific escape syntax. The empty DSN parameter is indeed critical as not including it will result in error 7778. 　  OLE DB  Adaptive Server Anywhere (ASA): "Provider=ASAProv;Data source=myASA" 　  Adaptive Server Enterprise (ASE) with Data Source .IDS file: "Provider=Sybase ASE OLE DB Provider; Data source=myASE" Note that you must create a Data Source .IDS file using the Sybase Data Administrator. These .IDS files resemble ODBC DSNs.  Adaptive Server Enterprise (ASE): "Provider=Sybase.ASEOLEDBProvider;Srvr=myASEserver,5000;Catalog=myDBname;User Id=username;Password=password"    - some reports on problem using the above one, try the following as an alternative - "Provider=Sybase.ASEOLEDBProvider;Server Name=myASEserver,5000;Initial Catalog=myDBname;User Id=username;Password=password" This one works only from Open Client 12.5 where the server port number feature works,燼llowing fully qualified connection strings to be used without defining燼ny .IDS Data Source files.  AseConnection (.NET)  Standard: "Data Source='myASEserver';Port=5000;Database='myDBname';UID='username';PWD='password';"  Declare the AseConnection: C#: using Sybase.Data.AseClient; AseConnection oCon = new AseConnection(); oCon.ConnectionString="my connection string"; oCon.Open(); VB.NET: Imports System.Data.AseClient Dim oCon As AseConnection = New AseConnection() oCon.ConnectionString="my connection string" oCon.Open()  Informix  ODBC  Informix 3.30: "Dsn='';Driver={INFORMIX 3.30 32 BIT};Host=hostname;Server=myserver;Service=service-name;Protocol=olsoctcp;Database=mydb;UID=username;PWD=myPwd  Informix-CLI 2.5: "Driver={Informix-CLI 2.5 (32 Bit)};Server=myserver;Database=mydb;Uid=username;Pwd=myPwd"  OLE DB  IBM Informix OLE DB Provider: "Provider=Ifxoledbc.2;password=myPw;User ID=myUser;Data Source=dbName@serverName;Persist Security Info=true"  Mimer SQL  ODBC  Standard Security: "Driver={MIMER};Database=mydb;Uid=myuser;Pwd=mypw;"  Prompt for username and password: "Driver={MIMER};Database=mydb;"  PostgreSQL  Core Labs PostgreSQLDirect (.NET)  Standard: "User ID=root; Password=pwd; Host=localhost; Port=5432; Database=testdb;Pooling=true; Min Pool Size=0; Max Pool Size=100; Connection Lifetime=0" 　  DSN  ODBC  DSN: "DSN=myDsn;Uid=username;Pwd=;"  File DSN: "FILEDSN=c:/myData.dsn;Uid=username;Pwd=;"  Excel  ODBC  Standard: "Driver={Microsoft Excel Driver (*.xls)};DriverId=790;Dbq=C:/MyExcel.xls;DefaultDir=c:/mypath;"  OLE DB  Standard: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/MyExcel.xls;Extended Properties=""Excel 8.0;HDR=Yes;IMEX=1""" "HDR=Yes;" indicates that the first row contains columnnames, not data "IMEX=1;" tells the driver to always read "intermixed" data columns as text TIP! SQL syntax: "SELECT * FROM [sheet1$]" - i.e. worksheet name followed by a "$" and wrapped in "[" "]" brackets.  Text  ODBC  Standard: "Driver={Microsoft Text Driver (*.txt; *.csv)};Dbq=c:/txtFilesFolder/;Extensions=asc,csv,tab,txt;"  OLE DB  Standard: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:/txtFilesFolder/;Extended Properties=""text;HDR=Yes;FMT=Delimited""" "HDR=Yes;" indicates that the first row contains columnnames, not data  DBF / FoxPro  ODBC  standard: "Driver={Microsoft dBASE Driver (*.dbf)};DriverID=277;Dbq=c:/mydbpath;"  OLE DB, OleDbConnection (.NET)  standard: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:/folder;Extended Properties=dBASE IV;User ID=Admin;Password="  Visual FoxPro  OLE DB, OleDbConnection (.NET)  Database container (.DBC): "Provider=vfpoledb.1;Data Source=C:/MyDbFolder/MyDbContainer.dbc;Password=MyPassWord;Collating Sequence=machine"  Free table directory: "Provider=vfpoledb.1;Data Source=C:/MyDataDirectory/;Password=MyPassWord;Collating Sequence=general" 　  ODBC  Database container (.DBC): "Driver={Microsoft Visual FoxPro Driver};SourceType=DBC;SourceDB=c:/myvfpdb.dbc;Exclusive=No;Collate=Machine;"  Free Table directory: "Driver={Microsoft Visual FoxPro Driver};SourceType=DBF;SourceDB=c:/myvfpdbfolder;Exclusive=No;Collate=Machine;" "Collate=Machine" is the default setting, for other settings check the Microsoft Visual Foxpro site:  Pervasive  ODBC  Standard: "Driver={Pervasive ODBC Client Interface};ServerName=srvname;dbq=@dbname" 　  OLE DB  Standard: "Provider=PervasiveOLEDB;Data Source=C:/path" 　  UDL  UDL  UDL: "File Name=c:/myDataLink.udl;"