Using Excel VBA to run SQL query

Question

I am fairly new to SQL and VBA  I have written a SQL query that I would like to be able to call and run from a VBA sub in an excel workbook and then bring the query results into the workbook  I have found some subs online  stackoverflow and other places  that claim to do this but I am having trouble understanding them as they contain no explanation  For example  here is a sub that I found online   Sub ConnectSqlServer        Dim conn As ADODB Connection     Dim rs As ADODB Recordset     Dim sConnString As String        Create the connection string      sConnString    Provider SQLOLEDB Data Source INSTANCE SQLEXPRESS    amp                       Initial Catalog MyDatabaseName    amp                       Integrated Security SSPI          Create the Connection and Recordset objects      Set conn   New ADODB Connection     Set rs   New ADODB Recordset        Open the connection and execute      conn Open sConnString     Set rs   conn Execute  SELECT   FROM Table1           Check we have data      If Not rs EOF Then           Transfer result          Sheets 1  Range  A1   CopyFromRecordset rs       Close the recordset         rs Close     Else         MsgBox  Error  No records returned    vbCritical     End If        Clean up     If CBool conn State And adStateOpen  Then conn Close     Set conn   Nothing     Set rs   Nothing  End Sub   First of all  would this work  Second  what do I need to replace in the sub  it looks like provider  data source  initial catalog  etc  and where do I find the info to replace them with   I hope this question is not too confusing and I appreciate your help

User · Answer

Below is code that I currently use to pull data from a MS SQL Server 2008 into VBA. You need to make sure you have the proper ADODB reference [VBA Editor->Tools->References] and make sure you have Microsoft ActiveX Data Objects 2.8 Library checked, which is the second from the bottom row that is checked (I'm using Excel 2010 on Windows 7; you might have a slightly different ActiveX version, but it will still begin with Microsoft ActiveX):

References required for SQL

Sub Module for Connecting to MS SQL with Remote Host & Username/Password

Sub Download_Standard_BOM()
'Initializes variables
Dim cnn As New ADODB.Connection
Dim rst As New ADODB.Recordset
Dim ConnectionString As String
Dim StrQuery As String

'Setup the connection string for accessing MS SQL database
   'Make sure to change:
       '1: PASSWORD
       '2: USERNAME
       '3: REMOTE_IP_ADDRESS
       '4: DATABASE
    ConnectionString = "Provider=SQLOLEDB.1;Password=PASSWORD;Persist Security Info=True;User ID=USERNAME;Data Source=REMOTE_IP_ADDRESS;Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Use Encryption for Data=False;Tag with column collation when possible=False;Initial Catalog=DATABASE"

    'Opens connection to the database
    cnn.Open ConnectionString
    'Timeout error in seconds for executing the entire query; this will run for 15 minutes before VBA timesout, but your database might timeout before this value
    cnn.CommandTimeout = 900

    'This is your actual MS SQL query that you need to run; you should check this query first using a more robust SQL editor (such as HeidiSQL) to ensure your query is valid
    StrQuery = "SELECT TOP 10 * FROM tbl_table"

    'Performs the actual query
    rst.Open StrQuery, cnn
    'Dumps all the results from the StrQuery into cell A2 of the first sheet in the active workbook
    Sheets(1).Range("A2").CopyFromRecordset rst
End Sub

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