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SQL Delete freezing


sal88
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Hi all

I have a delete SQL command that freezes FM for around 40 seconds, before succesfully executing the command. The table in question has 30,000 records. The command is:

"DELETE FROM Originals WHERE Case_IDF IS NULL AND LOWER (Receive_Subject) LIKE LOWER ('%" & Settings::Case Filter Spark & "%')"

Have I done anything wrong here?

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This is a fairly processing intensive SQL call as you are asking to transform 2 cols of 30,000 rows with LOWER and filtering the result with IS NULL and LIKE.

I would shift the LOWER to FM by making Originals::Receive_Subject and Settings::Case Filter Spark calculations that produce lower as a result.

PS SQL does not always like cols with spaces in the names so i would change Settings::Case Filter Spark to Settings::Case_Filter_Spark.

Edited by Kris M
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This topic is 2333 days old. Please don't post here. Open a new topic instead.

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