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Editorial Team
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Asked: 2026-05-28T06:00:10+00:00

I thought I had a sql error licked in a post here just a

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I thought I had a sql error licked in a post here just a bit ago… (Error message: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.”) I’m trying to run this with the database tools in visual studio… not management studio, and not via client code/ ADO (yet). I rewrote a fairly simple query that uses a couple of custom functions… the functions as well as the parts of the query have been tested and all are running well, but the query below times out.. this does run exactly as typed in Management Studio, and takes about 4 minutes. As I mentioned in my other post, I changed the setting under Tools>Options>Designers>”Override connection string time- out value” to 120 seconds as per this posting, but… it still times out after 30 seconds. Adding the ISNULL in this latest version is the change that has it running in management studio.

SELECT Symbol, LatestDate
FROM (SELECT Symbol, ISNULL(dbo.LatestDateInDailyPricingVolBySymbol(Symbol), '1/1/1900') AS LatestDate FROM tblSymbolsMain) AS T2
WHERE (LatestDate < dbo.RecentTradingDateByNumber(3))

The general idea is to get back a subset of stock symbols that don’t have a corresponding data point in my daily pricing table for at least 3 days. Any takers? Thanks all.

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1 Answer

  1. Editorial Team

    Without regards to your timeout;

    Are you using the sql management console to run your query? If so, when connecting to the database there is an options button that allows one to set the timeouts.

    Connection Options

    Also, if in the query window, right click and choose Query Options….

    0, means unlimited, I would check these. 4 minutes is a long time, maybe the query can be refactored to run faster?

    enter image description here

    If you are running this inside of Visual Studio via C# the default command timeout is 30 seconds. Alter it by setting the command time out:

    SqlCommand comm= new SqlCommand();
comm.CommandTimeout = 300;
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