Finding The Most Recient Datetime
Sep 26, 2005
Hi,
My table has int Field1 and DateTime dtModificationTime. I maintain a
history of changes to the table by inserting a new record with a new
dtModificationTime. I need to be able to find the last inserted
record. It's easy to do Select * from table where field1=x ORDER BY
dtModificationTime. That works, but it hits all the records that
match the field. I need to come back with an exact hit. Can someone
point me in the right direction?
Thanks.
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Mar 17, 2007
Hey :)I'm facing a lot of troubles trying to create a new pause/break-system. Right now i'm building up the query that counts how many records that is inside 2 fields. Let me first show you my table:
ID (int) | stamp_start (Type: DateTime) | stamp_end (Type: DateTime) | Username (varchar)0 | 17-03-07 12:00:00 | 17-03-07 12:30:00 | Hovgaard
The client will enter a start time and a end time and this query should then count how many records that are inside this periode of time.
Example: The client enter starttime: 12:05 and endtime: 12:35.The query shall then return 1 record found. The same thing if the user enters 12:20 and 12:50.My current query looks like this:SELECT COUNT(ID) AS Expr1 FROM table WHERE (start_stamp <= @pausetime_start) AND (end_stamp >= @pausetime_end)But this will only count if I enter the exact same times as the one inside the table.Any ideas how I can figure this out?Thanks for your time so far :)/Jonas Hovgaard - Denmark
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May 29, 2008
[SQL Server 2005]
In a report there are following in parameters: from date, to date, from time and to time.
I need to match these search criteria€™s against start time and stop time in assignments.
The trick: How to write SQL that meets all different cases that can arise.
The query need's to traverse through every assignment,
and see if its start and stop time is in the interval given by the user.
It should then return the minutes from the assignment that is within the interval.
I'm thinking of packaging the minute "extracting" logic in a Scalar-valued function.
It should then take the in parameters from the user, and start time and stop time from the assignment as arguments.
To consider: Crossing midnight.
E.g. the user puts in
From date: 2008-05-24
From time: 22:00:00
To date: 2008-05-26
To time: 02:00:00
Since the user wants to evaluate a time span that crosses midnight,
I'll have to look in to time spans like:
2008-05-24 22:00:00 - 2008-05-24 23:59:59
2008-05-25 00:00:00 - 2008-05-25 02:00:00
2008-05-25 22:00:00 - 2008-05-25 23:59:59
2008-05-26 00:00:00 - 2008-05-26 02:00:00
Furthermore the start- and stop time can be partially in the above interval.
E.g. an assignment starts 2008-05-24 21:46:11 and stops 2008-05-24 22:36:05.
This would then yield from the time spans above 36 minutes.
The combinations seem never-ending€¦
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Jul 9, 2007
Hi,
I'm inserting a datetime values into sql server 2000 from c#
SQL server table details
Table nameate_test
columnname datatype
No int
date_t DateTime
C# coding
SqlConnection connectionToDatabase = new SqlConnection("Data Source=.\SQLEXPRESS;Initial Catalog=testdb;Integrated Security=SSPI");
connectionToDatabase.Open();
DataTable dt1 = new DataTable();
dt1.Columns.Add("no",typeof(System.Int16));
dt1.Columns.Add("date_t", typeof(System.DateTime));
DataRow dr = dt1.NewRow();
dr["no"] = 1;
dr["date_t"] = DateTime.Now;
dt1.Rows.Add(dr);
for(int i=0;i<dt1.Rows.Count;i++)
{
string str=dt1.Rows["no"].ToString();
DateTime dt=(DateTime)dt1.Rows["date_t"];
string insertQuery = "insert into date_test values(" + str + ",'" + dt + "')";
SqlCommand cmd = new SqlCommand(insertQuery, connectionToDatabase);
cmd.ExecuteNonQuery();
MessageBox.Show("saved");
}
When I run the above code, data is inserted into the table
The value in the date_t column is 2007-07-09 22:10:11 000.The milliseconds value is always 000 only.I need the millisecond values also in date_t column.
Is there any conversion needed for millisecond values?
thanks,
Mani
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Dec 6, 2006
I'm getting error:
String was not recognized as a valid DateTime.
my insert parameter:
<asp:Parameter Name="LastModified" Type="DateTime" DefaultValue= "<%=DateTime.Now.ToString() %>"
my insert command:
InsertCommand="INSERT INTO [Product] ([Enabled], [ProductCode], [ProductName], [ProductAlias], [CarrierId], [DfltPlanId], [DoubleRating], [DoubleRateProductId], [ConnCharges], [StartDate], [EndDate], [Contracted], [BaseProductId], [LastModified], [LastUser]) VALUES (@Enabled, @ProductCode, @ProductName, @ProductAlias, @CarrierId, @DfltPlanId, @DoubleRating, @DoubleRateProductId, @ConnCharges, @StartDate, @EndDate, @Contracted, @BaseProductId, @LastModified, @LastUser)"
LastModified is a datetime field.
Running sql2005
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Mar 14, 2007
Hi all, having a little problem with saving dates to sql databaseI've got the CreatedOn field in the table set to datetime type, but every time i try and run it i get an error kicked up Error "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.The statement has been terminated."I've tried researching it but not been able to find something similar. Heres the code: DateTime createOn = DateTime.Now;string sSQLStatement = "INSERT INTO Index (Name, Description, Creator,CreatedOn) values ('" + name + "','" + description + "','" + userName + "','" + createOn + "')"; Any help would be much appreciated
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May 13, 2006
Hi,
I have a column of type datetime in sqlserver 2000. Whenever I try to insert the date
'31/08/2006 23:28:59'
I get the error "...datetime data type resulted in an out-of-range datetime value"
I've looked everywhere and I can't solve the problem. Please note, I first got this error from an asp.net page and in order to ensure that it wasn't some problem with culture settings I decided to run the query straight in Sql Query Anaylser. The results were the same. What else could it be?
cheers,
Ernest
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Mar 11, 2014
I am inserting date and time data into a SQL Server 2012 Express table from an application. The application is providing the date and time as a string data type. Is there a TSQL way to convert the date and time string to an SQL datetime date type? I want to do the conversion, because SQL displays an error due to the
My date and time string from the application looks like : 3/11/2014 12:57:57 PM
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Sep 7, 2007
Nothing difficult, I just need a way to generate a new datetime column based on the column [PostedDate], datetime. So basically I want to truncate the time. Thanks a lot.
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Jan 17, 2008
e.g.
1st March 2005 12:00:00
is showing as
01/03/2005 00:00:00
instead of
01/03/2005
Why does this happen?
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Jun 15, 2004
I have the following SQL:
select convert(datetime,'04-20-' + right(term,4)) as dt,
'Deposit' as type, a.* from
dbo.status_view a
where right(term,4) always returns a string which constitutes a 4 digit year eg '1999','2004',etc.
The SQL above returns
2004-04-20 00:00:00.000 Deposit ...
Which makes me think that it is able to successfully construct the datetime object inline. But then when I try and do:
select * from
(
select convert(datetime,'04-20-' + right(term,4)) as dt,
'Deposit' as type, a.* from
dbo.status_view a
) where dt >= a.submit_date
I get the following error:
Syntax error converting datetime from character string.
Given that it executes the innermost SQL just fine and seems to convert the string to a datetime object, I don't see why subsequently trying to USE that datetime object for something (in this case comparison with submit_date which is a datetime in the table a) should screw it up. Help!!! Thanks...
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Jul 20, 2005
Hi,I have a text file that contains a date column. The text file will beimported to database in SQL 2000 server. After to be imported, I wantto convert the date column to date type.For ex. the text file look likeName dateSmith 20003112Jennifer 19991506It would be converted date column to ydm database in SQL 2000 server.In the table it should look like thisName DateSmith 2000.31.12Jennifer 1999.15.06Thanks in advance- Loi -
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Nov 5, 2007
Hi,
I am trying to access a date column up to millisecond precession. So I cast date to as follows:
Code BlockCONVERT(varchar(23),CREATE_DATE,121)
I get millisecond part as a result of query but it€™s €œ000€?.
When I try to test the format by using getDate instead of DateTime column I get right milliseconds.
CONVERT(varchar(23),GetDate(),121) --Gives right milliseconds in return
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Sep 11, 2007
hi,
How do i convert a varchar field into the datetime data type? the reason i need this lies in the requirement that in the earlier data base the column that is hlding the date value is having the data type as varchar. and in the new design the column data type is datetime. i am using sql scripts for the data migration from the older design to the newer and got stuck with this datetime convertion issue. do let me know the best possible solution.
following are the sample data that is theer in the older table for the date.
12/12/2003
1/13/2007
01132004
1-1-2004
1.2.2001
there is no uniformity of the data that is stored currently.
thnkx in adv.
rahul jha
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May 21, 2015
I have a table that has a unique ID and a datetime of when something changed.
See example:
IDÂ Â Â TimeStamp
16094Â Â Â 2013-11-25 11:46:38.357
16095Â Â Â 2013-11-25 11:46:38.430
16096Â Â Â 2013-11-25 11:46:38.713
16097Â Â Â 2013-11-25 11:46:38.717
16098Â Â Â 2013-11-25 11:46:38.780
[Code] ....
Is there a way I can calculate the difference between row 16106 and 16105 and enter it in line 10601.
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May 2, 2007
hi friends,
how to get the date of the first/last day of the week in sql...
can any one help me
Cheers,
raj
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Aug 3, 2015
How can I calculate a DateTime column by merging values from a Date column and only the time part of a DateTime column?
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Jan 28, 2008
update tblPact_2008_0307 set student_dob = '30/01/1996' where student_rcnumber = 1830when entering update date in format such as ddmmyyyyi know the sql query date format entered should be in mmddyyyy formatis there any way to change the date format entered to ddmmyyyy in sql query?
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Jun 9, 2008
Hi All,This is only my second day using C#/asp.net and English isn't my native language so I'll apologise in advance if this question doesn't make sense and/or is stupid . I'm trying to make a little event planner which was going well until I hit a small problem, the user needs to enter the event name and choose a date/time from dropdowns, this bit works okay... however I'm having difficulties with storing the date/time, at the moment I'm making a DateTime object and filling out the year/month/day/hour/minute selected on the form and adding that to the database field (which is a datetime field type).Problem is, I'm using the date format DD/MM/YYYY HH:MM:SS but the database stores it as MM/DD/YYYY HH:MM:SS so if I wanted to do things like:
select * from tbl where date > DateTime.Now - it isn't going to work because the month is switched with the day in the DB-versions.
Just to try and give another example, if I'm not being very clear, if I print DateTime.Now.ToString() it will display 10/06/2008 02:50:48 however if I put it into the database and pull it back out cast to a DateTime Object and then display that object via ToString() it'll be 06/10/2008 02:50:48
Any suggestions on what to do would be appreciated, usually in cases like this I'd just use the unix timestamp, but since C#/ASP.NET doesn't support that natively I was hoping there was an easier/native alternative. Also I don't have access to the server configuration so changing the localization of mssql isn't an option unfortunately.Thanks in advance!
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Dec 14, 2005
After testing out the application i write on the local pc. I deploy it to the webserver to test it out. I get this error.
System.Data.SqlClient.SqlException: The conversion of a char data type to a
datetime data type resulted in an out-of-range datetime value.
Notes: all pages that have this error either has a repeater or datagrid which load data when page loading.
At first I thought the problem is with the date, but then I can see
that some other pages that has datagrid ( that has a date field) work
just fine.
anyone having this problem before?? hopefully you guys can help.
Thanks,
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Apr 19, 2008
Advance thanks ....... My table is TimeSheet:----------------------------------- CREATE TABLE [dbo].[TimeSheet]( [autoid] [int] IDENTITY(1,1) NOT NULL, [UserId] [int] NOT NULL, [starttime] [datetime] NOT NULL, [endtime] [datetime] NOT NULL, [summary] [nvarchar](50) NOT NULL, [description] [nvarchar](50) NULL, [dtOfEntry] [datetime] NOT NULL, [Cancelled] [bit] NULL) ON [PRIMARY] My Query is------------------ insert into timesheet (UserId, StartTime,EndTime, Summary, Description,DtOfEntry) values (2, '19/04/2008 2:05:06 PM', '19/04/2008 2:05:06 PM', '66', '6666','19/04/2008 2:05:06 PM')i m not able to insert value Error Message is-------------------------Msg 242, Level 16, State 3, Line 1The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.The statement has been terminated. can any body give any solution
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Aug 3, 2005
Hey, I have a big problem that i wanna search data from SQL by DateTime like thatselect * from test where recorddate='MyVariableWhichHoldDate'i use variable that holds Date info.i searched a lot infomation on net but there is no perfect solution. i know why this occur but there is no function to solve this problem. i used a lot of ways. it accept yyyy-mm-dd format but my variable format is dd-mm-yyyyy . is there any function for this problem? and any other solution.thanks for ur attentionregards
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Jun 22, 2007
Hello,
I am very new to SQL and I have an issue. We have a website that has pictures on the site. We want to take them down but the pictures are somehow tied into the database, they aren't on any of the servers. How can I find these pictures that seem to be somehow hard coded into the database?
Any help would be greatly appreciated.
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Mar 11, 2008
i have
create table test
(id_text int
,text_name varchar(10)
,id_author int)
insert into test (id_text, text_name, id_author) values (205, 'name1', 123)
insert into test (id_text, text_name, id_author) values (205, 'name2', 124)
insert into test (id_text, text_name, id_author) values (205, 'name2', 125)
insert into test (id_text, text_name, id_author) values (206, 'name2', 124)
insert into test (id_text, text_name, id_author) values (207, 'name2', 122)
insert into test (id_text, text_name, id_author) values (207, 'name2', 128)
select id_text, id_author from test
and i need to get out only id_text with the first author.
any solutions for sql server 2000?
thank you
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Aug 16, 2006
I have a report that is grouped by week. The details of the week have the date, time interval (half hour), and the maximum value for that day. So in the example below I am showing the week of May 21st. Then I have all of the days of that week, sorted by date as requested, with the halfhour the maximum value occured in on that day. So Monday the 22nd has the maximum value for the week at 254 (and is highlighted in red). Where the ????? are below, I need to display '1400' which is the interval, but have not yet been able to figure out how to do this.
I tried the following expression:
=iif(max(Fields!MaxValue.Value) = Fields!MaxValue.Value, Fields!Interva.Value, "X")
but this only works if the first day is the maximum value.
5/21/2006
?????
254
Sun, 5/21/2006
1000
147
Mon, 5/22/2006
1400
254
Tue, 5/23/2006
1830
141
Wed, 5/24/2006
1830
107
Thu, 5/25/2006
0830
210
Fri, 5/26/2006
1900
36
Sat, 5/27/2006
1000
149
Any ideas are greatly appreciated!
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Apr 26, 2007
I have, say 4 rows for 1 client I want to find the date difference between two(or more) of the rows when the first has a true flag and the next does not
Row1 Date1,falseRow2 Date2,trueRow3 Date3,falseRow4 Date4,false
so I want to find the difference between Row2 Date2 and Row3 Date4I know I can loop through the rows but with 000's of clients each with x numbers of rows this will surely be very slow
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Feb 2, 2008
I have a form where users can enter an appointment on this form some personal details are entered. I want the users to be able to write in a textbox the users surname. they will then press a button next to the textbox that will bring up a smaller screen displaying that users details :
SELECT * FROM Members where surname = (textbox1)
Alternatively the users can click the button and bring up a screen where the users can put the surname into a textbox and then bring up the users details this way.
I am not sure how to do this or how to select from the database where a field in the database is the same as the information put in to a text.
Is this possible? Thanks in advance Mike
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Feb 29, 2008
I have a table TEST.
I want to find the triggers which use this table test.
For example: If there is a table A, and a insert in A causes a trigger to insert data in TEST,
I want to find this particular trigger.
Any ideas?
I am using SQL server 2000
thank you
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Aug 28, 2001
hai
I have to delete a single row from a table , where there are multiple rows with the same data and i want to delete only one row and i cannot alter my table
structure.
Thanks in advance
satya
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Jul 26, 2002
I have a customer database with the following structure:
Dept ID (int)
Section (varchar)
I need to find only occurrences of a section (eg Admin) where the section name has a record in Dept 1,2 and 3 - only return the result if the record for Admin is associated will these depts.
Example Data:
Dept Section
1 Admin
1 Finance
1 Marketing
2 Admin
2 Sales
2 Marketing
3 Admin
3 Sales
3 Finance
The query would only return 'Admin' since this is the only Section that is represented in Departments 1,2 + 3.
I am not in control of the data design and can't create a bitwise field to achieve this.
tia,
Steve
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Oct 18, 1999
How can I find out a user's suid or login name from within a stored procedure?
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Sep 8, 2004
Hi
My problem is a little tricky. I am trying to get the first distinct row(s) from a table where one column will have only a few differences, while a second is unique.
Now using "distinct" doesnt help as even though distinct(column1) may return only a few rows, because the next column is unique you will still have all rows returned.
How do I return only 1 row per distinct(column1) and drop the rest? What makes this so annoying is that all columns need to be returned, but only in accordance to distinct(column1)
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Sep 23, 2005
Hi, sorry if this comes across as a stupid question, but i'm new to SQL. I have had a look on Google and on these forums but not found the answer..
I am running MS SQL 7 with a database containing around 130 tables.. i want to know if there is a query/command that i can type that will look through all the tables and tell me which ones reference a specified table (through it's key). Hope this makes sense! i've looked at some of the stored procedures but not found any that give me anything useful.
EDIT: Just so you are aware, i did not create this database, hence why i am not aware of the relationships myself, i have only just started working on it.
Thanks
Steve
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