Connection strings

[sashi]

MsAccess - Connection String

Standard security

oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
           "Data Source=c:\somepath\myDb.mdb;" 
 

If using a Workgroup (System Database)

oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
           "Data Source=c:\somepath\mydb.mdb;" & _ 
           "Jet OLEDB:System Database=MySystem.mdw", _
           "myUsername", "myPassword" 
 

If MDB has a database password

oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
           "Data Source=c:\somepath\mydb.mdb;" & _ 
           "Jet OLEDB:Database Password=MyDbPassword", _
           "myUsername", "myPassword"
 

If want to open up the MDB exclusively

oConn.Mode = adModeShareExclusive
oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
           "Data Source=c:\somepath\myDb.mdb;"  
 

If MDB is located on a network share

oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
           "Data Source=\\myServer\myShare\myPath\myDb.mdb"
 

ODBC - Open Database Connectivity

DSN

oConn.Open "DSN=mySystemDSN;" & _ 
           "Uid=myUsername;" & _ 
           "Pwd=myPassword"
 

File DSN

oConn.Open "FILEDSN=c:\somepath\mydb.dsn;" & _ 
           "Uid=myUsername;" & _
           "Pwd=myPassword"
 

MsSQL Server - Connection String

For Standard Security

oConn.Open "Provider=sqloledb;" & _ 
           "Data Source=myServerName;" & _
           "Initial Catalog=myDatabaseName;" & _
           "User Id=myUsername;" & _
           "Password=myPassword"
 

OR

oConn.Open "Provider=sqloledb;" & _ 
           "Server=myServerName;" & _
           "Database=myDatabaseName;" & _
           "User Id=myUsername;" & _
           "Password=myPassword"
 

For a Trusted Connection

oConn.Open "Provider=sqloledb;" & _
           "Data Source=myServerName;" & _
           "Initial Catalog=myDatabaseName;" & _
           "Integrated Security=SSPI"
 

To connect to a "Named Instance"

oConn.Open "Provider=sqloledb;" & _
           "Data Source=myServerName\myInstanceName;" & _
           "Initial Catalog=myDatabaseName;" & _
           "User Id=myUsername;" & _
           "Password=myPassword"
 

Note: In order to connect to a SQL Server 2000 "named instance", you must have MDAC 2.6 (or greater) installed.

To Prompt user for username and password

oConn.Provider = "sqloledb"
oConn.Properties("Prompt") = adPromptAlways
oConn.Open "Data Source=myServerName;" & _
           "Initial Catalog=myDatabaseName" 
 

To connect to SQL Server running on the same computer

oConn.Open "Provider=sqloledb;" & _
           "Data Source=(local);" & _
           "Initial Catalog=myDatabaseName;" & _
           "User ID=myUsername;" & _
           "Password=myPassword"
 

To connect to SQL Server running on a remote computer (via an IP address)

oConn.Open "Provider=sqloledb;" & _
           "Network Library=DBMSSOCN;" & _
           "Data Source=xxx.xxx.xxx.xxx,1433;" & _
           "Initial Catalog=myDatabaseName;" & _
           "User ID=myUsername;" & _
           "Password=myPassword"