SqlDataSource And Timestamp(Rowversion) Datatype
Mar 28, 2006
Hello, I'm attempting to use the Sql Timestamp (Rowversion in 2005) datatype for optimistic concurrency for my SqlDataSource because the table I'm updating has a few columns that can be null which breaks the optimistic concurrency code generated by visual studio. However, the Type's available for SqlDataSource parameters do not include "Timestamp" and everything else I've tried throws exceptions. SO, is there anyway to use the timestamp/rowversion datatype with a SqlDataSource? Many thanks for your help, I have been googling this for literally hours. Thanks again.
Drew
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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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Mar 26, 2007
Hi,
I am reading information of timestamp type in sql server.
I have read something about timestamp is deprecated and new type is rowversion, but in my sql server 2005 there isnt any type rowversion.
is timestamp deprecated?
how can I cast timestampt to datetime?
Thanks
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Feb 12, 2008
I have a RowVersion/Timestamp column in my table. I check against the RowVersion/Timestamp column when updating rows to check if a row has been updated by another user. I would like to call RAISERROR with a custom message which indicates the current RowVersion/Timestamp of the row in question.
What data type do I convert the RowVersion/Timestamp column into so I can make it part of the custom message which will be a string?
If I convert the RowVersion/Timestamp column into a bigint column, will the max value of RowVersion/Timestamp ever exceed the max value of a bigint? For example, convert(bigint, MyRowVersionColumn)
If the max value of the RowVersion/Timestamp column can exceed the max value for a bigint column, can I convert the RowVersion/Timestamp into a hex string?
Basically RowVersion/Timestamp columns are binary(8) or varbinary(8) so the question could also be answered if it is known if binary(8) can exceed the max value of bigint or if binary(8) can be converted into a hex string
Any help would be appreciated, Thanks!
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Jan 16, 2004
Hi all,
I have moved a mysql table to SQL Server and the table had an int datatype storing the value of the Unix timestamp. I want to convert this datatype into a DATETIME type in SQL Server.
Any ideas how I could do it?
Thanks in advance.
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Jul 14, 2014
What sql data type would fit these value? This is timestamp field in the ERP.
2013-05-24-20.03.46.843480
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Jun 23, 2015
I have column which has timestamp datatype.in this column inserting date in encrypt format.
I want insert date format into that column.If it is not possible to insert date format while fetching (through select statement) want to decrypt format ( I mean date format).
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Apr 29, 2008
Hi folks, I am binding a gridview to a SQLDataSource that contains a timestamp column. My SQLDatasource contains an update method (via a stored procedure) that takes all of the data fields from the grid as input parameters. I am getting an error stating 'sql_variant is incompatible with timestamp' . The parameter definition for the update method specifies the timestamp column as type 'Object'. <UpdateParameters> <asp:Parameter Name="timestamp" Type="Object" /> ... </UpdateParameters> When the data is initially retrieved, the timestamp column is converted to a System.Byte[] however I cannot specify System.Byte[] in the parameter definition (different error) I have read other post with this issue but none seemed to have been solved (while still using SQLDataSource and binding).I have tried other datatypes and they do not work as well. Any help would be greatly appreciatedThanksTom
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May 26, 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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Aug 10, 2006
After several hours of trying, I trow the towel in the ring and come here to ask a question.
Source system uses a timestamp column in the transaction tables. which is equal to a non-nullable binary(8) datatype (sql 2000 bol).
What I want to do is get the timestamp at the start of the transfer and at the end of the transfer of data. and store these in a controltable
I try to do this in 2 sql execute tasks:
sqltask 1: "select @@DBTS AS SourceTimestamp" and map the resultset to a variable. Here come's the first problem what variable type to take ?
DBNULL works (meaning it doesn't give errors) (BTW: is there a way to put a variable as a watch when debugging sql tasks ?)
INT64 and UINT64 don't work error message that types for column and parameter are different
STRING works
Then I want to store this variable back in a table of a different data source
sqltask2: "insert into controltable values(getdate(), ?)" and make an input parameter that takes the previous timestamp ...
if I took DBNULL as a type for the variable there doesn't seem to be a single parameter type that works ???
if i take STRING as a type for the variable I have to modify the sql to do the explicit conversion from string to binary so I change CAST(? as binary). It doesn't return any error but the value stored in the table is 0x00000000000 and not the actual timestamp.
Any help on this one ? Why are the INT64/Bigint not working here, you can perfectly do a convert(bigint, timestampfield) in sql ?
How came the SQL datatypes, and the variable datatypes, parameter datatypes are so badly alligned to each other (and all seem to use different names) ?
tx for any help
Dirk
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Jul 16, 2007
I created a SSIS package and creating a derived column named: Date...set datatype as DT_DBDATE....I do not want the timestamp on date...then I want to load this Date into a SQL server database table, with datatype of datetime, but it will load here with the timestamp which I do not want. Any ideas? I did change datatype of the SQL Server Destination datatype to DT_DBDATE but it will change it back to DT_DBTimestamp. thx
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Nov 10, 2005
I am trying to use a 'timestamp' type column with SQLDataSource for concurrency control with SQL Server. I'm getting the following error:
Operand type clash: timestamp is incompatible with sql_variant
It appears that the problem is that the value for the Type property of the Parameter (which was generated by the SqlDataSource wizard) is Object which maps to 'sql_variant' rather than to 'timestamp'.
I know that the older way of doing things with SqlDataAdapter, SqlCommand, SqlParameter can handle timestamps because SqlParameter has a SqlDbType property that can have a value of SqlDbType.Timestamp, but I don't see how to do this with the newer SqlDataSource, Parameter classes because the Parameter.Type property (of type TypeCode) doesn't have a Timestamp value.
Has anyone been able to use a 'timestamp' type field with SqlDataSource?
Here's my sample code:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="MyTestPage.aspx.cs" Inherits="MyTestPage" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"><title>Untitled Page</title></head><body><form id="form1" runat="server"><div><asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1"EmptyDataText="There are no data records to display." DataKeyNames="MyID"><Columns><asp:CommandField ShowEditButton="True" /><asp:BoundField DataField="MyID" HeaderText="MyID" InsertVisible="False" ReadOnly="True"SortExpression="MyID" /><asp:BoundField DataField="MyDesc" HeaderText="MyDesc" SortExpression="MyDesc" /></Columns></asp:GridView><asp:SqlDataSource ID="SqlDataSource1" runat="server" ConflictDetection="CompareAllValues"ConnectionString="<%$ ConnectionStrings:CtrlConnectionString1 %>" DeleteCommand="DELETE FROM [MyTest] WHERE [MyID] = @original_MyID AND [MyDesc] = @original_MyDesc AND [timestamp] = @original_timestamp"InsertCommand="INSERT INTO [MyTest] ([MyDesc], [timestamp]) VALUES (@MyDesc, @timestamp)" OldValuesParameterFormatString="original_{0}"ProviderName="<%$ ConnectionStrings:CtrlConnectionString1.ProviderName %>" SelectCommand="SELECT [MyID], [MyDesc], [timestamp] FROM [MyTest]"UpdateCommand="UPDATE [MyTest] SET [MyDesc] = @MyDesc WHERE [MyID] = @original_MyID AND [MyDesc] = @original_MyDesc AND [timestamp] = @original_timestamp"><DeleteParameters><asp:Parameter Name="original_MyID" Type="Int32" /><asp:Parameter Name="original_MyDesc" Type="String" /><asp:Parameter Name="original_timestamp" Type="Object" /></DeleteParameters><UpdateParameters><asp:Parameter Name="MyDesc" Type="String" /><asp:Parameter Name="timestamp" Type="Object" /><asp:Parameter Name="original_MyID" Type="Int32" /><asp:Parameter Name="original_MyDesc" Type="String" /><asp:Parameter Name="original_timestamp" Type="Object" /></UpdateParameters><InsertParameters><asp:Parameter Name="MyDesc" Type="String" /><asp:Parameter Name="timestamp" Type="Object" /></InsertParameters></asp:SqlDataSource></div></form></body></html>
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Feb 6, 2008
In SQL 2005 I use this 'min_active_rowversion()' to return the lowest active rowversion but this function is not available in SQL 2000. Is there any similar kind of thing in SQL 2000. We have 2 different application one on SQL 2005 and other on SQL 2000.
Thanks !
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Sep 14, 2007
Is there an equalivent to scope_identity that supports getting the rowversion value last provided by the system?
The reason I'm asking: We're updating a table, and I want to send the rowversion value back to the client as an output paramter so they can update again without running into a false positive concurrency error.
Without something like scope_identity, I have to run a select statement after the update just to get the rowversion that was provided by the system, and that hardly seems efficient.
My goal is to avoid the extra code and the select statement.
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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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Feb 6, 2007
Hello all,I am new at SQL Server 2005 and have been reading everything I canfindabout the new optimistic concurrency control mechanisms. As far as Ican tell, the Snapshot Isolation Level is based avoids the use ofshared locks using rowversioning instead.To control rowversions in SQL Server 2000 I was using an extra columnin each table containing a rowversion datatype. What i do with this isfind out if a row was modified. Is it possible in SQL Server 2005 toavoid the use of this extra column, using the new versioning features?What I mean is, if the Snapshot Isolation already manages rowversionsin TempDB, is it possible for me to query those versions using somestored procedures or functions given by SQL Server 2005 system? Whatfunctionalities does SQL Server 2005 gives me for that (anydocumentation pointer would help)?This would allow me to do the exact same processing that i was doingwith the rowversion column in SQL Server 2000 without the need forthat extra column.For all of you my thanks and best wishesSusana Guedes
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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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Jan 28, 2015
Need to know if the varchar datatype field will ingore leading zeros when compared with numeric datatype ?
create table #temp
(
code varchar(4) null,
id int not null
)
insert into #temp
[Code] .....
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Apr 24, 2008
Good afternoon,
I have an issue with an ssis variable datatype.
The scenario is as follows:
I have a stored procedure:
PROCEDURE [dbo].[sp_newTransaction]
@sourceSystem varchar(50),
@txOut NUMERIC(18,0) OUTPUT
AS
insert into scn_transaction (sourceSystemName) values(@sourceSystem);
SELECT @txOut = @@identity
Whose purpose is to perform an insert into a table and return me the identity value of the inserted record, which I'll then use throughout the rest of my package. The identity column in the inserted table is numeric(18,0).
I execute the stored proc with the following sql with an OLE DB connection manager:
exec sp_newTransaction ?, ?
The first parameter is a string variable from earlier in the package, and the second is the output parameter. I have the following parameter mappings to the execute sql task:
User:ystxId output numeric 1 -1
User:ourceSys input varchar 0 -1
The proc is correctly called, and the row insesrted, however I get a type conversion error when SSIS attempts to map the return parameter to my package variable... I've tried all sorts of combonations, and can't seem to get it to execute.
At one point I wasn't returning a numeric, but rather an int from the stored proc, and all was well until I went to use the variable in a derived column later in the package, and the type was converted quite incorrectly (a 1 was 77799789080 or some such), indicating a type conversion error likely related to the encoding of the number.
I'd like to keep the datatypes as numeric and make ssis use those - any pointers are greatly appreciated as to what type my package variable should be to allow proper assignment of a sql server numeric type to it.
Thanks much,
B
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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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Sep 17, 2003
Database is SQL Server 2000
I have a field in a table that stores date of birth. The field's datatype is char(6) and looks like this: 091703 (mmddyy). I want to convert this value to a datetime datatype.
What is the syntax to convert char(6) to datetime?
Thank you in advance.
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Mar 14, 2008
Hi,
I imported a table from Accees to SQL 7 with data in it.
I need to modify one of the datatype columns to "datetime" from nvarchar.
I tried to convert it manually, in SQL Server Enterprise Manager tool, but it gave me an error.
I also tried, creating another column "DATE2-datatype:datetime" and updating the column with the old one.
UPDATE users SET DATE2 = DATE.. But it also faild,..
How can I modify the column?
Thank you.
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Dec 15, 2005
HI,I have a table with IDENTITY column with the datatype as INTEGER. Nowthis table record count is almost reaching its limt. that is totalrecord count is almost near to 2^31-1. It will reach the limit with inanother one or two months.In order to avoid the arithmentic overflow error 8115, we would likechange the datatype from INT to BIGINT. we hope this will solve ourproblem.How do I approch this datatype conversion?. Since the data count ishuge, that leads to a long down time of database.we need better approach or solution for this problem?. kindly give mea better solution that will reduce the total downtime of the productiondatabase.?.Regards
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Feb 25, 2008
Hi guys..
i have so doubts in my mind and that i want to discuss with you guys... Can i use more then 5/6 fields in a table with datatype of Text as u know Text can store maximu data... ? acutally i am trying to store a very long strings values into the all fields. it's just popup into my mind that might be table structer would not able to store that my amount of data when u use more then 5/6 text datatypes...
and another thing... is which one is better to use as data type "Text" or "varchar(max)"... ?
if any article to read more about these thing,, can you refere to me...
Thanks and looking forward.-MALIK
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Jul 23, 2007
What is the C# code I use to do this?
I'm guessing it should be fairly simple, as there is only one row selected. I just need to pull out a specific field from that row and then insert that value into a different SqlDataSource.
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Mar 8, 2007
i am using visual web developer 2005 with SQL Express 2005 with VB as the code behindi have one database and three tables in itfor manipulating each table i am using separate SqlDataSource() is it sufficient to use one SqlDataSource() for manipulating all the three tables ? i am manipulating all the tables in the same page only please help me
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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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