Using Timestamp With ASP.net / SQL Server
Sep 10, 2004
I have a database that I don't want to lock. I decided that before any updates can occur I would check a timestamp value and ensure that nobody else updated before I did (avoiding the 'last update wins' scenario).
I have a problem, I can read the Timestamp from the db when I read the record. I currently use the data to pre-fill a form (gee go figure ;) ) and the user changes some values and updates.
I don't know what to DO with the timestamp value while I am holding it. I have tried putting it into a hidden field on the form but the value does not seem to translate back and forth.
Do I have to store it as in memory as part of the session or can I somehow convert to and from text??
I have about 0 experience working with byte arrays so the best answer is one with an example.
Thanks.
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Jun 19, 2007
I am populating oracle source in Sql Server Destination. after few rows it fails it displays this error:
[OLE DB Destination [16]] Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft OLE DB Provider for SQL Server" Hresult: 0x80004005 Description:
"Invalid date format".
I used this script component using the following code in between the adapters, However after 9,500 rows it failed again giving the same above error:
To convert Oracle timestamp to Sql Server timestamp
If Row.CALCULATEDETADATECUST_IsNull = False Then
If IsDate(DateSerial(Row.CALCULATEDETADATECUST.Year, Row.CALCULATEDETADATECUST.Month, Row.CALCULATEDETADATECUST.Day)) Then
dt = Row.CALCULATEDETADATECUST
Row.CALCULATEDETADATECUSTD = dt
End If
End If
I don't know if my code is right . Please inform, how i can achieve this.
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Jun 23, 2015
date time s-sitename TimeTaken(Seconds)
6/8/2015 10:56:26 TestSite 100
6/8/2015 10:56:26 TestSite 500
6/8/2015 10:56:26 TestSite 800
6/9/2015 11:56:26 TestSite 700
6/9/2015 11:56:26 TestSite 200
6/12/2015 12:56:26 TestSite 700
I have a table with above values, I am looking for a sql query to find AvgTimeTaken at different time stamps and total count of each time stamp
Output
date time s-sitename TimeTaken(Seconds) Count_of_Request
6/8/2015 10:56:26 TestSite 1400 3
6/9/2015 11:56:26 TestSite 900 2
6/12/2015 12:56:26 TestSite 700 1
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Mar 21, 2007
Hi,
I'm knew to SQL Server so forgive the rookie. I have used MySQL for about two years now, and I've done something there that I'd like to duplicate in SQL Server.
First off, I'm using SQL Server 2005 Express (free) edition. I have a table, and within the fields I have one titled "Last_Updated".
Now, I know that the function (when I place it in the default value) "getDate()" will insert the current date and time, but it doesn't update the record if the record is modified. What I'm looking for is if the user updates a record that the date/time automatically updates. I experimented with the Timestamp, but all it gave me was "binary data" in the field. Ideally I'm looking for something like this:
...using the YYYYMMDDHHMMSS format...
Last_Updated = 20070321140001
Is there a syntax for a default value that I'm missing? I've looked at several discussion groups, all giving varying advice, and none of which seemed to work. I much appreciate any guidance anyone can give me. Thanks!
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Apr 13, 2004
Hi,
As we know that the DB2 has timestamp column with microseconds and SQL server has datetime with timestamp milliseconds.
How I can accomplish the same Timestamp value for the following requirement?.
1. Uniqueness
2. Replication between DB2 and SQL server
3. And various other requriement like this.
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Mar 22, 1999
I'm having trouble importing data with a binary timestamp.
I have a group of datafiles with various data types mixed in
and I seem to get a lot of errors during the import attemt using
BCP.. The timestamp data is represented in the text file to be
imported as 0x0000aedc (Hexidecimal representation of timestamp)
I'm using the tilde (~) as a delimiter. What can I do to get past this
rather annoying problem?
Datetime seems to be accepted fine if I use char as the import datatype
and 26 as the length. It seems to swallow that fine. It seems to be the
timestamp field I'm tripping on.
Timestamp comes up as [binary]
Prefix length = 2
Field terminator = ~
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Jul 10, 2007
For starters, please feel free to move this if it is in the wrong forum.
The issue I have is this. I have been asked to delete all information from a table that was inserted before May 12 this year. The issue is that when the DB was created, whoever designedd it neglected to add a timestamp column for the user data table (the one I need to purge). Does SQL, by default, happen to store insert times? Would it be something that might hide ina log file somewhere?
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Jun 18, 2004
Can anyone give me a brief summary of this datatype? Anything that I would need to know to use this in tables that are populated via an asp web service.
Thanks!
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May 9, 2006
can someone please supply some information to help with this??
I am moving data from db2 8.1 for windows. the dates in db2 are defined as timestamp. i want to convert these to sql server datetime format in sql server 2000 using dts and sql.
does anyone have examples or something??
any help would be greatly appreciated.
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Oct 27, 2014
I've got a question about the UNIX timestamp solutions, I am using this one:
select convert(datetime, switchoffset(convert(datetimeoffset, dateadd(second, start_date, '19700101')), datename(TzOffset, sysdatetimeoffset())))
from x
This works great for today (wintertime), but when I query the past, say last week, it will still hold the current offset of my server GMT+1, where it was GMT+2.
Is there a way to get always the right date/time from a sql-query?
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Dec 23, 2014
I need to sync several tables from a purchaes software to our own tables.
Not the complete tables, only selected fields.
Each source table has a timestamp, so I could use this to track what has changed.
But, how do I store locally the last timestamp from the source database.
A local timestamp field would register my localtimestamp instead of the one I would like to remind.
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Jun 29, 2015
I have a series of time from 08:10 till 00:55 and a single date in a seperate column. What I need to have is associate the date with each time from 08:10 and when it comes after 23:55 the date needs to be incremented to the next day.
something like below
29Jun2015 08:10
29Jun2015 08:15
29Jun2015 08:20
29Jun2015 08:25
29Jun2015 08:30
29Jun2015 08:35
29Jun2015 08:40
.....
.....
....
....
29Jun2015 23:55
30Jun2015 00:00
30Jun2015 00:05
30Jun2015 00:10
30Jun2015 00:15
30Jun2015 00:20
I tried to add the based on the datepart minute however its getting added only to 00:00 and not after that.
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May 28, 2008
Hi,
i wanted to read some datasets from a table with the ROWVERSION. Then i wanted to save these records with the ROWVERION- Column in a temp table. Now it seems i cant explicitely write data in a ROWVERSION Column. As i understand its only possible to write a default value in such columns. Only SQL Server itself can write into ROWVERSION columns.
Am i right with this meaning?
Thx in advance...
Greets Kamei
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Jun 22, 2006
Hi,
How can i store the record insert/update timestamp in a SQL server 2000 db programacally. ? what are the date/time functions in ASP.NET 2.0 ? I know that this can be done by setting the default valut to getdate() function in SQL, but any other way on ASP page or code-behind page ???
Thanks,
Alex
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Apr 2, 2008
HI ALL.
I created one table
USE [testdb]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[WORKDAYS](
[ID] [int] NULL,
[DDATE] [datetime] NULL,
[BEGTIME] [timestamp] NULL,
[ENDTime] [int] NULL,
[DAYTYPE] [int] NOT NULL,
[NOTE] [nchar](255) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
) ON [PRIMARY]
And I wand alter table ENDTime column type to TimeStamp and I get this error
'WORKDAYS1' table
- Unable to modify table.
A table can only have one timestamp column. Because table 'Tmp_WORKDAYS1' already has one, the column 'ENDTIME' cannot be added.
I using SQL SERVER Managment Studio 2005 Express.
What is this error?
Express Edition supporeted one timestamp column in a table???
Which way u are offer?
I want two column in a table do timestamp.
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May 25, 2004
I would like to get information related to timestamp data type in SQL Server (WANT TO SET NULL IN TIMESTAMP COLUMN )I have Following case
try {
try {
stmt.execute("drop table timestampTable");
}
catch (SQLException ex1) {
}
stmt.execute(
"Create table timestampTable(c1 int Primary Key, c2 Timestamp)");
PreparedStatement pst = connection.prepareStatement(
"insert into timestampTable values(?,?)");
pst.setInt(1, 2);
pst.setNull(2, Types.TIMESTAMP);
pst.execute();
}
catch (SQLException ex) {
ex.printStackTrace();
}
TRACE IS GIVEN BELOW
====================
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]Disallowed implicit conversion from data type datetime to data type timestamp, table 'ClientDB.dbo.timestampTable', column 'c2'. Use the CONVERT function to run this query.
at com.microsoft.jdbc.base.BaseExceptions.createExcep tion(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getExceptio n(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.proces sErrorToken(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.proces sReplyToken(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRPCRequest.pro cessReplyToken(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.proces sReply(Unknown Source)
at com.microsoft.jdbc.sqlserver.SQLServerImplStatemen t.getNextResultType(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.commonTransi tionToState(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.postImplExec ute(Unknown Source)
at com.microsoft.jdbc.base.BasePreparedStatement.post ImplExecute(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.commonExecut e(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.executeInter nal(Unknown Source)
at com.microsoft.jdbc.base.BasePreparedStatement.exec ute(Unknown Source)
at JDBC.TestSQLServer.testTIMETAMPDataTypes(TestSQLSe rver.java:75)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.daffodilwoods.tools.testworker.TestRunner.runM ethod(TestRunner.java:159)
at com.daffodilwoods.tools.testworker.TestRunner.runI nSequence(TestRunner.java:83)
at com.daffodilwoods.tools.testworker.TestRunner.runT estCase(TestRunner.java:4
PLEASE REPLY ME AS SOON AS POSSIBLE
THANKS
SUBE SINGH
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Jul 9, 2015
How would we know to assign the time stamps for automated backups in job schedules....
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May 24, 2007
I am attempting to move a timestamp data column from DB2 to SQL Server 2005. Normally not a big deal but the column is part of unique index.
The DB2 timestamp has seconds of ss.ssssss but SQL Server only has ss.sss.
Most all the times entered into this column are a from an automated process so they are really close together timewise.
Here is what I have come up with so far:
1. Fast Load OLEDB with a batch of 10,000 records at a time
2. On the fail of the batch redirect rows to a regular table load OLEDB insert task
3. On the fail of the single insert redirect rows to script that ups the seconds one tick.
4. Attempt one last insert of the modified rows
5. If fail, then store the record off to a delimited text file
I am hoping to get the number of records that wind up in the delimited text file to be a very small number and not in the 1,000+.
Any help would be appreciated.
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Jul 10, 2007
In SQL Server I've created a linked server to an Oracle database. I am trying to insert (within the context of an sql server table trigger) an SQL Server datetime to an Oracle column with similar precision. Oracle timestamps are not compatible with sql server datetimes and I don't know how to convert the data (or if I should use a different type of column to store the data in Oracle). I have full control over the structure of the Oracle table so I can use a different type if timestamp is not best, but I need the destination column to have at least the same precision as the sql server datetime value. What is the easiest way to do this?
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Mar 18, 2015
How to convert float to timestamp in single select query
E.g., i have float as 1.251152515236 ,
I want to convert this to datetime and from datetime to timestamp... i.e. 26:11:00
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Apr 2, 2007
how to insert a value into table where the fieldname uses a datatype timestamp.(asp.net2.0)
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Jun 6, 2007
I have a timestamp in a date field of a table I have but when run it does not enter the date automatically and all I get is system.byte[] display where the dtae and time should be, how can i get it so this field places the date in automatically.???
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Jun 20, 2007
I am retrieving data from a database, and have been noticing some really strange timestamps. Has anyone ever seen a timestamp that looks like this: 16777215Karls
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Jul 12, 2004
Hello,
I just started using SQL and i don't really know too much syntax.
I have an ASP page that is inserting data into a table called YellowAlerts.
The first field in this table is AlertDate. I thought I read somewhere that there is a timestamp feature. If anyone could help me out that would be great.
Thanks.
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Jul 6, 2000
How can I add a timestamp column to a table that will let me know when
a record was inserted? (perhaps by setting a default to that column?)
For some reason, @@currenttimestamp gives me
some binary garbage.
Please help with any suggestions.
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Aug 23, 1999
How do I "disable" the timestamp so that when I copy my data into a new
database it will use the timestamp from the last time the table was effected?
Thanks,
Tracy
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Jun 2, 1999
Hi All,
I believe that all created tables have got by default a timestamp field.
I tried to find out how to read this field with a Transact-SQL statement.
And so I don't know the syntax, is anyone can help me ?
Thanks,
Herve
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Feb 10, 2005
If i have a table with a 3 fields and one of them has a timestamp as a field type and I want to do an insert or update what is the value I am inserting for the column timestamp.
Help appreciated
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Sep 23, 2006
hello I put a time stamp in one of my column and it says binary data in the field. How do i make that binary data turn into a real date and time. If this is possible how do I separate the date from the time in the results or would I have to do this myself. Also, I need to sort the results by date can this be done?
Sorry for the stupid questions my sql book (sql demystified) does not elaborate. Thanks
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Sep 4, 2006
hello,
m new to sql server.can any one tell me is it possible to insert only time value in timestamp datatype.
i have table which have datatype datetime.and i have to insert only time.i can't change the datatype datetime to any other one.p
plz any one can suggest me the solution..
Regards,
Sonal.
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Feb 12, 2008
Hello I'm not a SQL Expert but i'm using it for a few months. Now i need to use a variable that everytime that is called to a select into it gives the timestamp (or Stamp) to put on a specific field. The problem is that i need this variable not in bd conotation (like 2007-02-12 12:00:44:33) but like this 2007021212004433. Can someone help me? Thanks in advance.
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Jul 20, 2005
Is there any reason to have a TimeStamp column onto a table that has aPrimaryKey when using SQL Server and an Access front end?I read that doing so will always eliminate that write conflict error.But I notice that when pulling a recordset of 10K records, it takes 3Xless time if I delete the timestamp column on the table before runningthe SP.lq
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Jul 20, 2005
Is there any chance to get the content of a timestamp field?I am trying to get the content via Visual Objects and I am receiving onlynothing.Not NIL but "".Is it possible to get any useful information out of this field in anylanguage?(btw I know that the MS-Timestamp is not a timeformat)THXJens
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