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If I have a datetime field, how do I get just records created later than a certain time, ignoring the date altogether?
It's a logging table, it tells when people are connecting and doing something in our application. I want to find out how often people are on later than 5pm.
(Sorry - it is SQL Server. But this could be useful for other people for other databases)
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To get a day of week from a timestamp, use the DAYOFWEEK() function: -- returns 1-7 (integer), where 1 is Sunday and 7 is Saturday SELECT dayofweek('2018-12-12'); -- returns the string day name like Monday, Tuesday, etc SELECT dayname(now()); To convert a timestamp to a unix timestamp (integer seconds):
For SQL Server:
select * from myTable where datepart(hh, myDateField) > 17
See http://msdn.microsoft.com/en-us/library/aa258265(SQL.80).aspx.
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