It may seems like stupid question but I cannot find any solution for it
I have column with StartDateTime dd.mm.yyyy hh.mm.ss
I need to select only dd.mm.yyyy because its access SQL Server CAST doesn't work. Is there any function in MS Access which I can use for selecting only dd.mm.yyyy?
It's been a while, but would the DateValue function work?
Related
How do you convert SQL mm/dd/yy datetime to mm/dd only? On Microsoft server.
Thanks all.
With dates and times it is an extremely common mistake to believe that what you see is what is stored. If the field is date, datetime, smalldatetime or datetime2 then what is stored are integers, not strings. So if the field is one of these, then:
convert(varchar(5),[date_field],1)
or
format([date_field],'MM/dd') -- mssql 2012 onward
If the information is a string already then left() will do the job.
Since you have specified an input format, the input must already be a string. Simply truncate with
cast(dateIn as char(5)).
You can use LEFT to just return the day and month:
SELECT LEFT('12/12/2000', 5)
I realize this isn't directly answering your question the way you asked it, but the best advice I can give is: Don't.
Instead, send back the field in its native datetime type. The database is not the place to be doing formatting. Instead, format the date in your application code.
For example, if you are calling SQL Server from a C#/.NET application, you could retrieve the value from a DataReader like this:
DateTime dt = (DateTime) reader["YourDateTime"];
Then you would format it as a string like this:
string s = dt.ToString("MM/dd");
This will ensure that the date is formatted correctly. If you are using a different language to call SQL Server, there are probably similar methods in that language.
One of the problems with the other approach mentioned (trunacating the string) is that the original value might not be formatted in mm/dd/yyyy to begin with. That all depends on the environment settings where the SQL Server is running. If you run the same code on an environment with dd/mm/yyyy settings, you would have unexpected results. This is avoided by using the native data type, the way I described.
Our application using SQL SERVER 2005
I need to show only DATE from DateTime in GridView.
I don't want to convert it into any other format like Varchar or something.
It should be only in DateTime format itself, without Time.
Please Help.
In SQL Server, the code is
CAST(datediff(d,0,datetimecol) as datetime)
However, I doubt that does any good for a GridView, which will infer it to be a "datetime" column and show a "date + time" formatting, even if the times are ALL "00:00:00".
Bound the DateField coloumn in Grid like below, then it works...
<asp:BoundField DataField="Your_Date_Column"
HeaderText="Date_Column"
DataFormatString="{0:d}" />
DataFormatString="{0:d}" it display the Date like 3/11/2013
In SQL 2005 there is no way of keeping it in datetime format without the time (time is part of the datetime type), the best you could get would be something like:
2013-04-02 00:00:00.000
If you were willing to convert to VARCHAR, you could use something similar to:
SELECT CONVERT(VARCHAR(10),GETDATE(),111)
Which would display the date portion as you want it. Otherwise, you need to move to SQL 2008+ where there is a proper date type that you can use instead.
If you need to stick with SQL 2005, the best way to achive this is to just format it in the datagrid view itself.
If you want to truncate a datetime so that it only returns the date as at midnight, see the accepted answer to this question - the question relates specifically to SQLServer 2008, but the answer includes details of how to achieve this in SQLServer 2005.
If you want to convert a datetime field into a date-only field - you cannot achieve this in SQLServer 2005 in SQL alone, as there is no date-only datatype - see here.
I'm trying to remember the syntax to change a date field into a string. I know I'm close but not 100% correct. Here is what I'm using so far: TO_CHAR(FIELD_NAME). I'm using an Access database. The error I'm getting is: undefined expression. Any help would be very much appreciated.
Use either CStr(dateField) or Format(dateField) to convert.
Additionally you can add parameters to Format() to show it in a different format, such as:
Format(dateField, "general date") 9/12/2010
Format(dateField, "long date") Monday, September 12, 2011
Given that you're using MS Access and its a date field you're probably not just looking to convert to string but to also format the Date. If that is indeed the case you'll want the Format function
SELECT Format ([DateCreate], "yyyy/mm/dd") AS Foo
FROM MSysObjects;
If you're using SQL Server, try out CAST or CONVERT
You can use the CONVERT function, like this:
CONVERT(VARCHAR, DateField, 100)
Here's a link that shows the different date formats you can use:
http://www.sql-server-helper.com/tips/date-formats.aspx
I assume SQL Server as you're questions in the past are .NET Questions.
Use CONVERT
http://msdn.microsoft.com/en-us/library/ms187928.aspx
I have problem. I have script with more insert where is datetime in format 'DD.MM.YYYY'.
Problem is that server understand it as 'MM.DD.YYYY', so half of dates import with wrong value and half of dates do error.
Is any simple way how to say server that what is correct format?
I know that in past, if I worked with Oracle, I solve it by to_date function where I could specify format.
I believe http://support.microsoft.com/kb/173907 holds the answer
eg
set dateformat dmy
Using something like this should work:
convert(datetime, '28.6.2011', 104)
From here:
http://anubhavg.wordpress.com/2009/06/11/how-to-format-datetime-date-in-sql-server-2005/
i need to check for a specific DateTime value in my table from my code (VB.NET) and i don't know how to format the DateTime as a string. i've read that SQL Server will recognize my string if it's in either date, time, or date and time format. i mean:
'May 15, 2004'
'5/15/2004'
'20040515'
'2004 4 am'
will SQL Server recognize these strings as valid DateTime values? i'm curious because if i check the actual DateTime values in the table they are in this format:
2/2/2006 3:49:33 PM
Don't put the date/time value in the SQL query in the first place - use a parameterized query and then you don't need to know or care what format SQL Server would parse literals as. You put the placeholder in the SQL, and specify the value as a DateTime in the parameter collection.
You should be using parameterized SQL as a matter of course, in fact - not only does it get rid of formatting and parsing problems like this, but possibly more importantly it's the single most effective weapon against SQL injection attacks.
If not using a parameterized query, use CAST/CONVERT to explicitly change a string to a DATETIME:
SELECT CAST('2/2/2006 3:49:33 PM' AS DATETIME)
On my SQL Server 2005, that returns to me:
2006-02-02 15:49:33.000
Mind that the default date format in SQL Server can be different than what you provide.
This has always been safe that I have found:
YYYY-MM-DD HH:MI:SS
If you're comparing DateTime to DateTime, you don't have to worry about conversion, necessarilly, but yes, Sql Server (at least as of 2k8, and I believe 2k5 as well) will automatically parse a DateTime from a string. That is, if you pass '5/15/2004' it will see 5/15/2004 12:00:00 AM or something similar.
a better way, though, is to use SqlParameters in your SqlCommand from Code.