Import data from XLSX file using SQL query

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Excel-2016

In Access I can run this query:

SQL

SELECT T1.* INTO Temp FROM [Excel 12.0 xml;HDR=YES;IMEX=1;Database=E:\Book1.xlsx].[Sheet1$] AS T1

to import data from an XLSX file.

However if I run the same query using CDatabase::ExecuteSQL I get a "Could not find installable ISAM" error.

Why does one work and not the other?

What I have tried:

Googling the error message - but all the results seem to be focussed on connections through code (connection strings) rather than through SQL.

Posted 19-Apr-22 14:49pm

Kyudos

Updated 20-Apr-22 12:21pm

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Richard MacCutchan 20-Apr-22 3:47am

You have a secret error in your secret code. Seriously, how can anyone comment without seeing the actual code you try to use?

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CHill60 · Answer 1 · 2022-04-20T02:10:00

Quote:
but all the results seem to be focussed on connections through code (connection strings) rather than through SQL.

Can I assume that CDatabase::ExecuteSQL is the MFC class? If so then before attempting to execute the SQL statement through that class you must have performed an Open. One of the parameters to the Open statement is lpszConnect

Quote:
Specifies a connection string. The connection string concatenates information, possibly including a data source name, a user ID valid on the data source, a user authentication string (password, if the data source requires one), and other information. The whole connection string must be prefixed by the string "ODBC;" (uppercase or lowercase). The "ODBC;" string is used to indicate that the connection is to an ODBC data source; this is for upward compatibility when future versions of the class library might support non-ODBC data sources.

It is that connection string that is incorrect - possibly targeting an earlier version of Office.