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change time format in sql - easier to read

al4629740
al4629740 asked
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Last Modified: 2014-08-21
How can I change the format of the HourTimeFrom and HourTimeTo columns to this format?

9:00am
10:00am

temp
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Top Expert 2011
Commented:
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Author

Commented:
Does this take significantly more time to process?  rather than changing the datatype?
Top Expert 2011

Commented:
Not really. However, it is always a good idea to keep date and time as one field -DateTime.

You can still separate them programmatically but it is better to have one fieldname than two, Date and Time.

Author

Commented:
Ok
Thank you
PortletPaulEE Topic Advisor
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Commented:
from SQL 2012 onward you can use FORMAT()

select format(hourFromTime,'h:mm tt')

for a list of styles using convert (like the style 100 used before)

Author

Commented:
Between your solution and Sams solution which one is better?
PortletPaulEE Topic Advisor
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Commented:
there isn't much between them

I would use format() if it is available to you, as it is easier to understand and maintain IMHO
I do not think you will detect a measurable performance differential

- but "ltrim(right(convert" is 3 functions -v- format() which is one function

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