Question

Store only TIME in smalldatetime

Asked by: bendecko

Hi,

I've the opposite of this:

http://www.experts-exchange.com/Databases/Microsoft_SQL_Server/Q_20107994.html

Basically I want a field to hold just eg.  08:00  or 21:00

However it always puts in '1/1/1900 08:00:00' ?

MSSQL 2000, VBS

Thanks

Bendecko

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Asked On
2004-06-30 at 06:05:47ID21043147
Tags

time

,

smalldatetime

Topic

Databases Miscellaneous

Participating Experts
5
Points
125
Comments
11

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Answers

 

by: SjoerdVerweijPosted on 2004-06-30 at 06:59:50ID: 11435750

There's no way around that. You can either live with this (and ignore the date part), or store time in a different way (I always do "number of minutes since midnight").

 

by: namliam_ehtPosted on 2004-06-30 at 07:38:40ID: 11436275

Yep, just to confirm, Sjoerd is right....

Tho i would just live with the date part.... and put a mask on it so the user doesnt see it.

Greetz

 

by: kiranghagPosted on 2004-06-30 at 08:49:29ID: 11437243

you can create a updateable view onto the table and refer the view in the subsequent operations. dont forget to add indices on the view.

the column in concern e.g myDate can be masked as

cast(
   cast( month(mydate) as varchar )
+ '/'
+ cast( day(mydate) as varchar )
+ '/'
+ cast( year(mydate) as varchar )
as varchar )

correct me if I am wrong..

 

by: SjoerdVerweijPosted on 2004-06-30 at 08:59:28ID: 11437352

kiranghag: why on earth would he do that, seeing as the point was to have the time only?

 

by: kiranghagPosted on 2004-06-30 at 09:10:21ID: 11437500

ohhhh
i need to take a nap...

it should have been like

select cast(
   cast( datepart(hh,@mydate) as varchar )
+ ':'
+ cast( datepart(mi,@mydate) as varchar )
+ ':'
+ cast( datepart(ss,@mydate) as varchar )
as varchar )

or

select cast(
   cast( datepart(hh,@mydate) as varchar )
+ ':'
+ cast( datepart(mi,@mydate) as varchar )
as varchar )

thanks for pointing it out

 

by: namliam_ehtPosted on 2004-07-01 at 00:11:28ID: 11444150

Same as what i said, live with the day part and use a format of some kind.... (converting it to a string)

Greetz

 

by: sandeshjPosted on 2004-07-01 at 01:52:12ID: 11444576

I think your need to store only time in the data baes is to make life easier when it comes to getting the data from the dataBase...

So here is a method in which you can get only the time field from the date field...

SELECT
        CONVERT(varchar(12), timeField, 114) AS Time1
FROM
       tableName




Sandesh

 

by: vikarghoryPosted on 2004-07-01 at 03:11:40ID: 11444920

As sandesh suggested the need to store time is that you can retrieve it with select query or perform any calculation on it.This task can be achieved by using different Datetime functions like Datepart,Datediff,Dateadd, etc for your calculations and display purposes.

20120131-EE-VQP-002

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