RE: Get DATE part of the DATETIME

SSC Guru

Points: 186127

February 5, 2008 at 4:29 am

Running an update against a table with a little over 500,000 rows I get the following (average of three runs, in seconds)

1) CAST / FLOOR / CAST [2.32]

2) DATEADD / DATEDIFF [1.84]

3) CAST / CAST [1.69]

4) CAST / CONVERT [4.33]

So not much in it except for method 4.

^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}

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