I’m trying to insert a row into an access database (mdb, access 2000 AFAIK)

Question

Asked: June 5, 20262026-06-05T11:31:34+00:00 2026-06-05T11:31:34+00:00

I’m trying to insert a row into an access database (mdb, access 2000 AFAIK) as follows:

conn.execute("INSERT INTO entries (userCol,typeCol,numitems,entrytime,worktime) VALUES ('mattk','Item 1',4,1339361723424,1339361723424)")

I’m receiving the following error:

Message: Data type mismatch in criteria expression.

The variable conn is an adodb connection object. It’s declared and initialised in javascript as follows:

var conn = new ActiveXObject("ADODB.Connection");
conn.open('Provider=Microsoft.Jet.OLEDB.4.0;Data Source=' + source + ';User Id=admin;Password=;');

I’ve confirmed the following data types:

userCol: text
typeCol: text
numitems: integer
entrytime: long
worktime: long

I just can’t fathom what could be causing this. Thanks in advance for any help.

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Editorial Team · Answer 1 · 2026-06-05T11:31:36+00:00

Editorial Team

MS-Access Long data type can hold values from -2,147,483,648 to 2,147,483,647 (signed).

You’re trying to insert too big numbers.

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