Date Poition Comparison Of A Datetime Field
Jul 23, 2005
I have a datetime variable coming from my ASP.NET application that has
a time portion. I give my users the option to perform an equals,
greater than, less than, or between comparison. The trouble comes in
the way the application builds the criteria string. The WHERE clause
passed in is in the format, "(start_dt = '2005/05/16 07:00:00.000')".
What I want to do is only compare the date portion of start_dt to the
date portion of the passed in time. Manipulating the start_dt with the
built-in SQL functions isn't a problem, but altering the date passed in
from the ASP.NET would be a massive framework change in the app.
Is there any way to only compare the date portions of both the SQL
field and the passed in value?
Thanks.
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May 17, 2015
I embedded a SQL query in excel that gets some datetime fields like "TASK_FINISH_DATE" .
How can I convert a datetime field to a date field in SQL in a way that excel will recognize it as a date type and not a text type?
I tried:
CONVERT(varchar(8),TASK_FINISH_DATE ,3)
CONVERT(Date,TASK_FINISH_DATE ,3)
CAST(TASK_FINISH_DATE as date)
**all of the above returned text objectes in excel and not date objects.
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Oct 17, 2007
I am trying to drag data from Informix to Sql Server. When I kick off the package
using an OLE DB Source and a SQL Server Destination, I get DT_DBDATE to DT_DBTIMESTAMP
errors on two fields from Informix which are date data ....no timestamp part
I tried a couple of things:
Created a view of the Informix table where I cast the date fields as datetime year to fraction(5), which failed.
Altered the view to convert the date fields to char(10) with the hopes that SQL Server would implicitly cast them
as datetime but it failed.
What options do I have that will work?
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May 4, 2006
Good morning...
I begin with SQL, I would like to add a field that will be date like 21/01/2000.
Actually i find just "datetime" format but give me the format 21/01/2000 01:01:20.
How to do for having date and time in two different field.
Sorry for my english....
Cordially
A newbie
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Mar 11, 2004
Hi
What is the best practice to get the date from a smalldatetime field without the time.
The table contains 5 minute readings for energy consumption in the column period.
Now i need to get all the readings form some dates.
SELECT dbo.TBL_Data.*
FROM dbo.TBL_Data
WHERE (Period IN (CONVERT(DATETIME, '2003-12-31', 102), CONVERT(DATETIME, '2004-01-01', 102)))
this result contains only the readings for the timestamp 00:00
so how to select the whole day ?
kind regards
piet
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Sep 2, 2004
Hi,
I have used smalldatetime datatype to store my date and time values. i want to store just the date or time but the problem is it stores both the date and time. For eg, if i add the the date 03/11/2004, it also the stores the current time automatically. so the new value will be something like 03/11/2004 10:00:00 AM where i want just 03/11/2004. further problem is even though i managed to store just the date like 03/11/2004 in the database, whole date and time shows up when i display it in my pages.
any help will be appreciated.
thanx,
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Sep 3, 2007
OK, I know this is really simple but I can't get my statement to pull just the date from a datetime field!
Here's my query:
select *
from tblPR
where date between convert(datetime, dateadd(day,-day(getdate())+1,getdate()),103)
and convert(datetime, dateadd(day,-day(getdate()),dateadd(month,1,getdate())),103)
I get no errors but I get the timestamp too and I only want the date.
Where am I going wrong?!
Thanks in advance,
Brett
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Nov 16, 2006
hai
In my web application i want to bind data from sql 2005 to ultrawebgrid, when i use
source code
dim cmdselect as sqlcommand
dim cmdstring as string
cmdstring="select name, datefieldname from tablename"
cmdselect=new sqlcommand(cmdstring,connectionstring)
connectionstring.open()
ultrawebgrid1.datasource=cmdselect.executenonquery()
ultrawebgrid1.databind()
connectionstring.close()
----- when i execute above coding i am geting date and time displayed there, but i want to display date alone
--my datefield datatype is datetime
- i am using sql 2005,(vs2005-vb/asp.net)
please help me
thanks in advance
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Mar 10, 2004
I know there must be a way to do this....
I want to select only the date portion of a datetime field. the date normally shows as similar to '2004-01-01 09:39:52.000'
I need to return just '2004-01-01'. using convert and cast returns the dates as 'JAN 01 2004' - this won't sort correctly, so it is of no use. any suggestions?
thanks,
john
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Feb 28, 2007
Hello. A question please. Can I save only the date in a datetime field ? I don't want the hours.
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Aug 4, 2006
We want to add a default date to our database tables. Looking at other database samples people use all sorts of dates to add as default date e.g. 1/1/1997 or the getdate() function.
Is it good practice to set a default date and what should the default date be????
Newbie
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Apr 24, 2004
Hi, I have a problem when I insert a date in a datetime field in a MSSQLServer.
That's my problem:
if the server is in english version, I have to insert date with this code:
DateTime.Today.ToString("MM/dd/yyyy")
instead if the server is in italian version, I have to insert date with this code:
DateTime.Today.ToString("dd/MM/yyyy")
Is there a way to insert a date in standard way, without knowing the server version?
bye and thanks in advance
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Sep 26, 2006
How is that I have stuff like...
13415-10-14 72:00:56.973
and -21858-02-28 390:54:27.200
in a datetime field when BOL says...
"Date and time data from January 1, 1753, through December 31, 9999, with an accuracy of three-hundredths of a second, or 3.33 milliseconds."
Not only that but I can't find where this field is getting written to in my trace
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May 9, 2012
I have 2 tables that I would like to summarize a couple of columns for a full day of production(12:00:00 AM to 11:59:59 PM) based on passed variables. Here are my Tables:
Order_Details_tbl
PlantID – IngredientID – AmountBatched – DateTime
1 – 8 – 1000 – 4/30/2012 1:23:12 PM
1 – 8 – 1000 – 4/30/2012 4:23:12 PM
1 – 8 – 1000 – 5/1/2012 1:23:12 PM
1 – 8 – 1000 – 5/1/2012 10:23:12 PM
1 – 8 – 4500 – 5/3/2012 1:23:12 PM
1 – 8 – 11000 – 5/7/2012 1:23:12 PM
1 – 8 – 1000 – 5/7/2012 10:23:12 AM
1 – 8 – 1000 – 5/7/2012 1:23:12 PM
1 – 8 – 1000 – 5/7/2012 1:23:12 PM
1 – 8 – 1000 – 5/8/2012 9:23:12 AM
1 – 8 – 1000 – 5/8/2012 4:23:12 PM
1 – 8 – 1000 – 5/8/2012 2:23:12 PM
Order_Details_Details_tbl
PlantID – IngredientID – AmountBatched – DateTime
1 – 8 – 100 – 4/30/2012 1:23:12 PM
1 – 8 – 11000 – 5/4/2012 11:23:12 PM
1 – 8 – 11000 – 5/7/2012 11:23:12 PM
1 – 8 – 1000 – 5/8/2012 11:23:12 AM
1 – 8 – 1000 – 5/8/2012 1:23:12 AM
1 – 8 – 1000 – 5/8/2012 11:23:12 PM
1 – 8 – 1000 – 5/8/2012 5:23:12 PM
1 – 8 – 1000 – 5/8/2012 2:23:12 PM
I will pass in the @PlantID int, @IngredientID int, and @Days int. I want to sum the AmountBatched from both tables and display the total for each given day. The @Days will indicate the number of days to query off of previous to the current date. I would also like to eliminate weekends from the results. For example when stored procedure is run passing the following values @PlantID = 1, @IngredientID = 8, and @Days = 14. If date procedure is run is 5/9/2012, would like to summarize for 4/25/2012 to 5/8/2012 excluding weekends if possible.
Results
Date – AmountBatched
4/25/2012 – 0
4/26/2012 – 0
4/27/2012 -- 0
4/30/2012 -- 2100
5/1/2012 -- 2000
5/2/2012 -- 0
5/3/2012 -- 4500
5/4/2012 -- 11000
5/7/2012 -- 25000
5/8/2012 – 8000
Notice 4/28, 4/29, 5/5, and 5/6 are eliminated from the results, which are weekends. Is this possible in a sql stored procedure? I am writing an app in vb .net and am hoping to get the results I need in a single call to sql server and not have to make several calls back. I have not worked with advanced datetime methods in sql server before.
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Aug 9, 2006
I have a field that I would like to only display the date as mm/dd/yyyy. Current field shows mm/dd/yyyy hh:mm:ss AM.
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Feb 5, 2008
I am trying to match records that are >= the current date. I have tried using:
SELECT DISTINCT name
FROM table
WHERE datefield >= DATEPART(month, GETDATE()) AND datefield >= DATEPART(day, GETDATE()) AND datefield >= DATEPART(year, GETDATE())
ORDER BY name
but this is not giving me the result that I am looking for. What is the best way to match a DateTime field type using the current date without the time?
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Jan 11, 2007
How do I extract the ate and time from a datetime field. The field is called Log_DateTime. I want to extract the date and the time and then use these two expressions to sort/filter on in Query Analyzer.
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Mar 11, 2006
from this, circdate being a datetime field:SQLQuery = "select distinct circdate from circdata order by circdate"I need the distinct date portion excluding the time part.this has come about when I discoveredI am inserting and updating some datetime values with the same value,but for some reason, the values are always off by a few seconds. I seta variable called SetNow assigned to NOW and then set the datetimefields to this SetNow variable. Then when I collect the distinct datetime I am assuming they will have the same values recorded incircdate, but no, they are off by several seconds. Makes no sense to meat all. I tried renaming the variable several times but it makes nodifference at all.any help appreciated, thanks.
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Dec 2, 2015
I have a table of errors with a DateTime field for when the error occurred. I want to query the table for a given date range omitting the time portion. What is the most efficient way to perform this query?
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Dec 26, 2006
Good morning.I am importing an XLS file into one of my tables. The fields are:Date Id Time IO12/22/2006 2 12:48:45 PM 912/22/2006 16 5:40:55 AM 112/22/2006 16 12:03:59 PM 2When I do the import, I get the following:Date Id Time IO12/22/2006 12:00:00AM 2 12/30/1899 12:48:45 PM 212/22/2006 12:00:00AM 16 12/30/1899 5:40:55 AM 112/22/2006 12:00:00AM 16 12/30/1899 12:03:59 PM 2Here are my doubts:1. Would it be better to combine the Date & Time fields into onecolumn? If so, how?2. What issues or problems might I have when I program SQL reports, ifI leave the fields as they are?Any comments or suggestions will be very much welcomed.Cheers mates.
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Dec 26, 2006
Good morning.
I am importing an XLS file into one of my tables. The fields are:
Date Id Time IO
12/22/2006
2
12:48:45 PM
9
12/22/2006
16
5:40:55 AM
1
12/22/2006
16
12:03:59 PM
2
When I do the import, I get the following:
Date Id Time IO
12/22/2006 12:00:00AM 2 12/30/1899 12:48:45 PM 2
12/22/2006 12:00:00AM 16 12/30/1899 5:40:55 AM 1
12/22/2006 12:00:00AM 16 12/30/1899 12:03:59 PM 2
Here are my doubts:
1. Is it be better to combine the Date & Time fields into one column? Advantages/Disadvantages?
2. If I don't combine them, should I use varchar or datetime data type?
2. What issues or problems might I have when I program SQL reports, if I leave the fields as they are?
Any comments or suggestions will be very much welcomed.
Cheers mates.
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Jan 14, 2015
My goal is to update the "PriorInsert" field with the "DateInserted" from the previously inserted record where the WorkOrder, MachineNo, and Operator are all in the same group.
While trying to get to the correct previous record, I wrote the query below.
P.S. The attached .txt file includes a create and insert tbl_tmp sampling.
select top 1
a.ID,
a.WorkOrder,
a.MachineNo,
a.Operator,
a.PriorInsert,
[code]...
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Dec 26, 2006
I have StratDateTime and EndDateTime fields in the table. I need to compare this two datetime fields and find seconds. I can use DateDiff but there are the following exceptions:
1. Exclude seconds coming from the date which are Saturday and Sunday
2. Exclude seconds coming from time range between 7:01pm and 6:59am
3. Exclude seconds coming from Jan 1st and Jul 4th.
How can I do this?
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Sep 25, 2007
Hi, I´m new to SQL Server, and I´m having the following problem. I have this query:
SELECT
P.DIMENSION, P.CUSTACCOUNT, C.NAME AS CUSTOMERNAME, PE.PROJID, P.NAME AS PROJNAME, PE.EMPLID, E.NAME AS EMPLNAME,
PE.FECHAASIGNACION, PE.FECHADESASIGNACION
FROM
PROJVALEMPLPROJSETUP PE, EMPLTABLE E, PROJTABLE P, CUSTTABLE C
WHERE
PE.PROJID = P.PROJID AND PE.EMPLID = E.EMPLID AND P.CUSTACCOUNT = C.ACCOUNTNUM AND ((PE.FECHAASIGNACION >= '01/01/2006' AND PE.FECHAASIGNACION < '19/09/07')
AND PE.FECHADESASIGNACION >= '01/01/2007')
ORDER BY
P.DIMENSION, P.CUSTACCOUNT, PE.PROJID, PE.EMPLID
When I execute it, I get this error, regarding the date comparison I´m trying:
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
How do I compare a string value to a datetime from the database? Thanks a lot.
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Sep 22, 2015
I'm looking for comparing times in the same field. I have two tables, one table has times of sessions (multiple rows) and the other contains the session ID, start & end times of overall session block and each session length. I am looking for a way to compare from the start of the session until the end all the times sequentially and insert or mark all the sessions that fall between 10 min intervals.
i.e start 10:30 compare to 10:35 (no match), 10:30 to 10:40 (match 10:40 becomes new effective date), 10:40 to 10:45 (no match), 10:40 to 10:50 (match 10:50 new effective date).
I've attempted a couple of self join solutions but simply can't seem to get what I'm after.
CREATE TABLE MyTable (
[id] INT identity NOT NULL,
[sess_id] INT NOT NULL,
[Time] datetime NOT NULL
)
GO
[Code] .....
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Jun 27, 2000
Hi...
I have a problem comparing dates in SQL Server 7.
I want to find results where date1 = date2.
I am having problems becausing SQL is also trying to compare the time which
is included in the field value e.g. 03/04/00 12:01:32
So even if the dates are equal the time may be different so the results are not shown?
I've tried SUBSTRING, and CONVERT,CAST etc.. and still can't get it to work
Any ideas???
Thanks.
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Oct 23, 2003
Good day,
I am receiving garbage data from my other department as follows.
I want:
'12/05/03' for example.
I get:
'//'
'00/00/00'
And other garbage. All of which crashes the transaction because it cannot be converted to Datetime.
What I would like to do is something like this:
IF @v_date > '01/01/50'
BEGIN <-- statement will crash if bad data)
Something to trigger a Boolean (True/False) validation of the data.
I want to know if it is even a date before I run it through my block.
Any thoughts?
I don't want to add a new IF block for every bizarre thing they send me.
Thanks ahead of time.
PS - I guess I could just raise an exception and handle it in a block that way, but am still curious.
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Dec 28, 2005
I have two tables that I am needing to link by the tables date field. In one table the date field is defined as varchar(23). The time for this field is always zeros.
Example: '2005-12-27 00:00:00.000'
The other table is defined as datetime, and it does have the date and time in this field.
Example: 2005-12-27 08:00:35.000
The problem i am having is
2005-12-27 00:00:00.000 does not = 2005-12-27 08:00:35.000.
Because I will never have more than one record on the same date I would like to be able to only compare the date. Example 2005-12-27 = 2005-12-27
Since the fields are 2 different field types, this is giving me a problem. Could someone please help. I have tried everything I know to do.
What I really need is the a way to format the datetime fields date into a string such as '2005-12-27'.
Hopefully what i have written makes sense.
Thanks
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Aug 25, 2007
I remember at some point I had some problem with this issue and I couldn't find something that suites a newbie.
The point that I was missing was that I couldn't pass the string representation of the date value to a query string. The key is to convert the string date to its equivalent datetime or smalldate .
For example imagine you'd like to select all Employees who where born on a specific date stored in a variable called myDate:
the BirthDay column in our Employee table has type smalldatetime
----------------------------------------------
string myDate = @"06/06/1978";
....
SqlCommand comm = new SqlCommand("SELECT * FROM EMPLOYEE WHERE [BirthDay] = Convert(smalldatetime,'" + myDate + "', 103))";
....
----------------------------------------------
Make suer that you don't miss single quotes around value of myDate in your query string.
For more info regrading the Convert function look at:
http://msdn2.microsoft.com/en-us/library/ms187928.aspx
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Nov 13, 2000
I'm having a problem with what should be a simple TSQL statement. I have a
table which has a datetime field updated. After the update if I type
select * from patient_medication where rec_status_date = '11/10/2000'
it returns the rows I want.(All the dates have a time of 00:00:00.000.
But if I type
select * from patient_medication where rec_status_date <> '11/10/2000'
or select * from patient_medication where rec_status_date != '11/10/2000'
The rows that have a value are returned, but none of the null values
are returned. Will nulls not work with this comparison?
Thanks
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Jul 31, 2006
In my current job I am learning MS SQL - while having to write valid SQL statements. I need some help designing a query that checks hire dates for establishing participation for (something).
So the statement establishing participation has to have a WHERE clause that will check HIRE_DATE and establish two different goals:
1. WHERE Hire_Date < OCTOBER 1 of this current year
2. WHERE Hire_Date < OCTOBER 1 of previous year
Different question now that I am thinking about it: some of these previous SQL statements have a @ symbol, what does that mean in SQL? Can't find an online resource that references that symbol
Example: IF @Type IN ('Workflow','All')
Thanks for the help in advance.
Rob
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Jul 20, 2005
HiI have a table that contains information that has start dates and enddates. They are stored in short date format.I have built a web page that initially returned all the information. Ithen want to return information spcific to todays date, where I useddim todDatetodDate = nowthen I didshTodDate = FormatDateTime(todDate, 2)which returned the date to a web page that was in the same format aswhat was in the access table.SELECT * from Events WHERE stDate = # ' & shTodDate & ' #;"This was fine beacuse it returned all events that started on that day.This doesn't help though because some events last a few days, so Itried the followingSELECT * FROM Events WHERE stDate >=#'&shTodDate&'# ANDendDate<=#'&shTodDate&'#;This still only returned events that started on the current day.Does anyone know how I can use <= or >= when comparing dates?ThankspuREp3s+
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Jul 20, 2005
Hi all,I am trying to create a stored procedure that will check a date field.I want to check for records that are equal to or greater then 90 daysfrom the current date. I am trying to check this against a fieldcalled LastUpdate. Is there an easy way in SQL to do this?TIA
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