Database Data Type Design (Strings Vs. 1's And 0's)
Mar 17, 2008
Hello guys, I am a hobbyist programmer and now that I have started asp.net, I was wondering about the correct way to enter data into a table. For example, i have a table called players with a field called status. What should I code the status as? "Active" or "Retired" or 1 and 0?
I thought using 1 and 0 would be better as far as database size, but it is pretty difficult to understand how to modify the gridview. I come from PHP and everything is a lot more accesible there as far as modification of output. Thanks in advance!
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Aug 24, 2007
I am having data where there are empty string in the business keys which should be used for Slowly changing dimesnion type 2, how do i over come this as due to empty strings i am getting new rows even though the rows havent really changed.
example of data is name and salary are business keys
name salary age address
dev 23 klddldldlk
sdfg 24 34 kdlddlkd
when the same is given as input the row
dev 23 klddldldlk
is coming as anew row where it already exists how do i over come this
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Oct 5, 2015
I need to convert a a string column to integer. Before converting, I need to check if it has blank values then convert it to NULL. Someone told me that its easier to convert it to NULL before converting to integer.
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Nov 17, 2015
Ilve install sql server 2012 in my pc and i want to change datetime default format. How can i do this and please i dont want to take the result from select convert() or select cast or something like this. I ve want to take the format i want writing query select datecolumn from table.Â
Now the format i have is:Â 2015-11-16 09:04:00.000
And i want this format: 16.11.2015 09:04:00
Is any way to convert automaticaly by select only column? or can i change at all once? or must write function to when i select the column can change automatic ? or another thing, i ve see in column properties something like formula. In computed column specification in formula i wrote this:Â
((CONVERT([varchar](10),getdate(),(104))+' ')+CONVERT([varchar](10),getdate(),(108)))
And I take the format i want automaticaly but i get the current date for all rows and i cant edit or insert that column anymore. So, how to change the format of date time but no from select query.
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Oct 2, 2007
Hi, all experts,
Is there a way in SSIS dev environment that will let you convert/cast data type at desing time?
Under data flow mappings, there are so many things you can do, but why I did not find any easy way to convert?
I got this validation warning about not supportng converting type DT_STR to DT_I4, or something like that on many occassions..
I am using OLEDB Source as source and SQL Server Destination as destination.
Am I missing something obvious?
Thanks!
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Jun 23, 2013
I'm designing a database that stores personal details of students and teachers for a school. I, wish to know if a there is away of formatting the bit data type to male/female. Cause i am only able to achieve 0 and 1 in this data type. So is there any way to change it, or is there any other data type suitable to provide only two options Also the database should be protected in a way that students may not be able to view or change. Only teachers/admin have the right to access/modify the data.
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Jul 23, 2005
I have a system that basically stores a database within a database (I'msure lots have you have done this before in some form or another).At the end of the day, I'm storing the actual data generically in acolumn of type nvarchar(4000), but I want to add support for unlimitedtext. I want to do this in a smart fashion. Right now I am leaningtowards putting 2 nullable Value fields:ValueLong ntext nullableValueShort nvarchar(4000) nullableand dynamically storing the info in one or the other depending on thesize. ASP.NET does this exact very thing in it's Session State model;look at the ASPStateTempSessions table. This table has both aSessionItemShort of type varbinary (7000) and a SessionItemLong of typeImage.My question is, is it better to user varbinary (7000) and Image? I'mthinking maybe I should go down this path, simply because ASP.NET does,but I don't really know why. Does anyone know what would be the benifitof using varbinary and Image datatypes? If it's just to allow saving ofbinary data, then I don't really need that right now (and I don't thinkASP.NET does either). Are there any other reasons?thanks,dave
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Dec 12, 2007
Hello,
I am wondering how it is going to work using SQL Server configuration type to store connection string in the SQL Server table. How does SSIS know what database to connect to if its connection string is store in the database? Thanks
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Jul 23, 2005
Hi all,I have a table called PTRANS with few columns (see create script below).I have created a view on top that this table VwTransaction (See below)I can now run this query without a problem:select * from dbo.VwTransactionwhereAssetNumber = '101001' andTransactionDate <= '7/1/2003'But when I create an index on the PTRANS table using the command below:CREATE INDEX IDX_PTRANS_CHL# ON PTRANS(CHL#)The same query that ran fine before, fails with the error:Server: Msg 242, Level 16, State 3, Line 1The conversion of a char data type to a datetime data type resulted inan out-of-range datetime value.I can run the same query by commeting out the AssetNumber clause and itworks fine. I can also run the query commenting out the TransactionDatecolumn and it works fine. But when I have both the conditions in theWHERE clause, it gives me this error. Dropping the index solves theproblem.Can anyone tell me why an index would cause a query to fail?Thanks a lot in advance,AmirCREATE TABLE [PTRANS] ([CHL#] [varchar] (100) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,[CHCENT] [numeric](2, 0) NOT NULL ,[CHYYMM] [numeric](4, 0) NOT NULL ,[CHDAY] [numeric](2, 0) NOT NULL ,[CHTC] [char] (2) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL) ON [PRIMARY]GOCREATE VIEW dbo.vwTransactionsASSELECT CONVERT(datetime, dbo.udf_AddDashes(REPLICATE('0', 2 -LEN(CHCENT)) + CONVERT(varchar, CHCENT) + REPLICATE('0', 4 -LEN(CHYYMM))+ CONVERT(varchar, CHYYMM) + REPLICATE('0', 2 -LEN(CHDAY)) + CONVERT(varchar, CHDAY)), 20) AS TransactionDate,CHL# AS AssetNumber,CHTC AS TransactionCodeFROM dbo.PTRANSWHERE (CHCENT <> 0) AND (CHTC <> 'RA')*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Oct 1, 2007
I've done some basic database design in the past, but am a relative newbie to design. I have recently come across a situation I'm not sure how to handle. Here's the situation...
Assume we've got a contacts table which holds information about our contacts. All contacts have the same basic information - name, address, telephone, etc. Each contact is of a certain type - let's just say a, b, and c, for ease. This contact type is stored in the contacts table. Now, on contacts of type b, I also have to store some additional data. What it is doesn't really matter. I found a way to set this up, but I'm not sure that I'm going about it the right way, and would love some advice on the proper way to do this. Basically, what I did is create my contacts table:
Contact_id, contactName, ContactAddress, ContactPhone, ContactType.
Created a contacttype table
ContactType, ContactTypeDescription, ContactAddInfo
What I've done is left contactaddInfo as a nullable field. When it has a value, that value is the name of a table which holds the additional information that I need for the contact... So when I'm running a query, I can tell if I need to reference another table by checking the value of ContactAddInfo.
I can't imagine that this is the best solution, but it was the first thing that popped into my head, and it's a really small database that's using it. However, I'm now being faced with the same situation in a much more important, larger database, and I'd love to know the 'right' way.
Thanks for any guidance you can provide!
Erin
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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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Feb 13, 2008
Hi,
I can populate a dataTable with type double (C#) of say '1055.01' however when I save these to the CE3.5 database using a float(CE3.5) I lose the decimal portion. The 'offending' code is:
this.court0TableAdapter1.Update(this.mycourtsDataSet1.Court0);
this.mycourtsDataSet1.AcceptChanges();
this.court0TableAdapter1.Fill(this.mycourtsDataSet1.Court0);
This did not happen with VS2005/CE3.01.
I have tried changing all references to decimal (or money in CE3.5) without luck.
I'm beginning to think that string may be the way to go!!!!!!!
Can someone shed some light on my problem.
Thanks,
Later:
It's necessary to update the datatable adapter as the 3.01 and 3.5 CE are not compatible.
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Mar 7, 2007
We have some columns in a table where the date is stored as 19980101 (YYYYMMDD). The data type for this column is NUMBER(8) in Oracle.
I need to copy rows from Oracle to SQL Server using SSIS. I used the Data Conversion transformation editor to change it to DT_DATE, but the rows are not being inserted to the destination.
On Error, If I fail the component, then the error is :
There was an error with input column "ORDER_DATE_CONV" (1191) on input "OLE DB Destination Input" (29). The column status returned was: "Conversion failed because the data value overflowed the specified type.".
Regards
RH
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Dec 22, 2006
How do I upload test data from a frame maker database to SQL database tables using ODBC.
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Mar 10, 2007
Out of curosity I am asking this design type question because I am curious as to what thoughts you fine folks have on the subject matter.
I have seen many instances of a databse design where there are detail records that have a dollar value associated with them such as an invoice table which holds invoice records. I have noticed that no where is a total of the invoices stored, causing SQL to have to run through the records each time a total is needed.
In days gone by prior to SQL, data structures would be such that a total accumulator field in a data file somewhere would be updated as invoices were processed so that the system would not have to run through the individual records to derive the total of them.
I am familiar with normalization in terms of SQL as I have worked with SQL for years and of course I have work with non-SQL technologies before SQL came onto the scene. What I am curious to know is that is it such a bad thing in the SQL world to have something like an invoice total accumulator that constantly is updated as invoices are processed and queries can access this total accumulator directly rather than having to gather the individual invoice records and total them up first before presenting the total to the user?
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Nov 10, 2014
How to use hierarchy id data type in Bill of material database.
The msdn example [URL] ....
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May 7, 2008
I am trying to delete the row with the minimum date. First I read in the minimum date using:
OleDbCommand myCommand = new OleDbCommand("SELECT MIN(Date) FROM 30_Day_Data", myConnection);
myCommand.ExecuteNonQuery();
OleDbDataReader myReader = myCommand.ExecuteReader();
This then gives me a date in the format "1/2/2008 12:09:33 AM". Since that is the minimum date, I need that row deleted, so I use:
OleDbCommand myDeleteCommand = new OleDbCommand("DELETE FROM 30_Day_Data WHERE Date='" + "myReader().GetValue(0).ToString()" + "'", myConnection);
myDeleteCommand.ExecuteNonQuery();
This gives me an error saying "Data type mismatch in criteria expression". I have no idea how to format the date so that it can get deleted. I have tried nearly everything with no success. Any help is appriciated.
Thanks!
Ross
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Jun 4, 2007
Hi there,
I am new here, and I've tried to see if this topic has been discussed elsewhere, but since I am not familiar with the terminology, I'll stick my neck out and ask.
Quick background: I am a C# developer with limited exposure to and experience with SQL. I now have to make some design decisions for a newer version of a "legacy" app. Since those of us who are left here basically know how to query the database and do the CRUD work, but don't have a lot of mad skills in the db design department, I am wondering to which degree we should leave things alone.
Ok, so now to the actual issue.
This database is used by an application that registers sales locally for certain types of sales teams. All data is eventually extracted and sent off as ASCII files to central processing, but until then, they are stored in a table for each sales campaign.
Information about campaigns is stored in one table called CampaignSettings. Highlights of this table include a CampaignID (primary key) and some generic sales information, plus a reference to the table that holds customer information. Yep, each campaign has it's own table, as customer registrations (not just for sales, but for information requests etc.) can easily scale into the hundereds of thousands, plus the number of campaigns will eventually reach at least 20-50 active at any given time.
Yep, perhaps it sounds like a huge task for inexperienced db people, that's why we have to learn, and fast! ;)
Ok, so these individual campaign tables is where it gets interesting, and they are the reason I am writing. Each campaign table has the same basic structure - a RecordID, an insertion date, several customer information fields. And then they have two additional sets of fields; The salesinfo "nodes", and the "custom fields".
There is a table called sinode, which pretty much looks like this:
id - int, primary key
campaign - foreign key to campaignsettings campaignid field
field - varchar, the name of the column in the campaign table
desc - a description of what goes in the field (used in the sales registration app)
default - a reasonable default value showing the user what to register
Using this method, the idea is that each campaign can have a different structure (i.e. different product types sold = different information needs to be registered).
Also, for the "custom fields" stuff, something similar is employed. There is a scriptvariables table, similar to the sinode one, which contains custom fields that campaigns contain - when they feel like it, they can for instance find everyone with a certain value in a custom field and send them some sales propaganda by snailmail, with some of these script variables used in the letter. The difference between salesinfo columns and custom field columns is basically that only salesinfo columns (plus a few of the standard ones present in all tables) are reported to central processing.
QUESTION #1: Is there a name for such a table structure, where the very definition of tables themselves are somewhat dynamic and applications need to query support tables in order to know the customer table structure for each campaign. Is the name "Brain Dead Design"? ;) Or is this an acceptable way of doing things?
Since we're now upgrading things a little, among other things we're considering moving from "old fashioned" ADO.NET to LINQ or some kind of O/R mapping application, so that we'll cut down on the maintenance of the database <-> object layer.
QUESTION #2: Will an O/R Mapper or LINQ (when Orcas goes RTM) be able to handle the kind of tables we're talking about here, considering that the structure of the individual customer table is not known at compile time, but depends on the database?
And then, there's the question that has been haunting me for a while now..
QUESTION #3: If you, the reader, who with great probability knows a lot more about database design than I do, were put in charge of such a project - how would YOU design it? Keep it like today? Create a huge normalization table for sales items and custom fields? What kind of architecture would be "correct" in this case, considering that our customers scale from the very small with few campaigns to the relative large with big, nasty customer tables.
I will be extremely grateful for any replies, and I promise to read many heavy SQL books as penance, and spend 10% of my work day helping newbies for several weeks once I attain enlightenment! :)
Thanks in advance,
Havremunken
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Nov 6, 2006
Hi,everyone.
I have defined a data type "OC_BUN_NAME" in database "CVPRO". I want to create a table tempdb.dbo.CVPRO in SQL SERVER 2005 system Database tempdb. But SQL SERVER 2005 DBMS gives a Error Messages:"Can not find the data type OC_BUN_NAME".
How can I do? How to use data types in the other database?
Please give me some advice. Thank you in advance.
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Sep 25, 2015
I want change all field in database to new datatype.I want change data from Small Integer to Integer but there are the relation in each table.
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May 13, 2015
I have a scenario like below
Product1
Product2 Product3
Product4 Product5
Product1 1
1 0 0
1
Product2 1
1 0 0
1
Product3 0
0 1 1
0
Product4 0
0 1 1
0
Product5 1
1 0 0
1
How to design tables in SQL Server for the above.
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May 13, 2008
hello all .. I have a form that includes two textboxes (Date and Version) .. When I try to insert the record I get the following error message .. seems that something wrong with my coversion (Data type)"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."
in my SQL database I have the date feild as datetime and the version as nvarchar(max)
this is the code in the vb page .. Can you please tell me how to solve this problem?Imports System.Data.SqlClient
Imports system.web.configuration
Partial Class Admin_emag_insert
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Record_DateTextBox.Text = DateTime.Now
End Sub
Protected Sub clearButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles clearButton.Click
Me.VersionTextBox.Text = ""
End Sub
Protected Sub addButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles addButton.Click
Dim objConnection As SqlConnection
Dim objDataCommand As SqlCommand
Dim ConnectionString As String
Dim record_date As Date
Dim version As String
Dim emagSQL As String
'save form values in variables
record_date = Record_DateTextBox.Text
version = VersionTextBox.Text
ConnectionString = WebConfigurationManager.ConnectionStrings("HRDBConnectionString").ConnectionString
'Create and open the connection
objConnection = New SqlConnection(ConnectionString)
objConnection.Open()
emagSQL = "Insert into E_Magazine (Record_Date, Version ) " & _
"values('" & record_date & "','" & version & "')"
'Create and execute the command
objDataCommand = New SqlCommand(emagSQL, objConnection)
objDataCommand.ExecuteNonQuery()
objConnection.Close()
AddMessage.Text = "A new emagazine was added successfully"
Me.VersionTextBox.Text = ""
End Sub
End Class
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Jul 20, 2005
Hi,I would like to convert a dollar amount ($1,500) to represent Fifteenhundred dollars and 00/100 cents only for SQL reporting purposes. Isthis possible and can I incorporate the statement into an existingleft outer join query.Thanks in advance,Gavin
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Sep 12, 2006
Hi,
I have a user defined data type which is called DEmployeeName,
it's length is varchar(20), how do i change it into varchar(30) without droping it?
I'm using SQL server 2005.
Thanks in advance..
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Oct 9, 2007
I have a field that is currently stored as the data type nvarchar(10), and all of the data in this field is in the format mm/dd/yyyy or NULL. I want to convert this field to the smalldatetime data type. Is this possible?
I've tried to use cast in the following way, (rsbirthday is the field name, panelists is the table), but to no avail.
SELECT rsbirthday CAST(rsbirthday AS smalldatetime)
FROM panelists
the error returned is "incorrect syntax near 'rsbirthday'.
I'm rather new to all things SQL, so I only have the vaguest idea of what I'm actually doing.
Thanks for the help!
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Dec 20, 2007
I am a developer and I have a problem trying to design a system to
manage data coming from web surveys. On average each subject will take
part in more than one survey and each survey may potentially have 100+
questions.
I am focusing here only on the table(s) that will hold the survey
data.
I'm thinking about having a wide table storing each question in the
survey(s) as a column against the subjects. My main concerns with this
approach:
- the "yuckiness" and potentially other performance issues(?)
associated with a table with 100s of columns
- the 8kb size limit per row (unlikely to touch it, but possible)
- 1024 column limit (unlikely to touch it, but possible)
Another approach obviously is to have a single table where we have, in
a simplified version, 3 columns: person_id, question_id and data/
answer. The problem with this is that the "data" column will have to
accommodate
all types of data, from bits to varchars, and that field validation
seems now impossible jeopardizing data integrity, and most
importantly, you can't easily work with the data in filtering/
reporting etc.
What do knowledgeable designers come up with in this case? Can someone
point me in the right direction?
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Feb 20, 2014
Is there a way to query all the columns in a database that have the data type as Integer.
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Feb 18, 2006
Hi,
I am using VS2005 C# + sql server 2005 Express edition.
I need to using a database that uses my own defined data types to define its tables columns.
I already have designed a Database projact and create the new UDT as follows:
Create a new Database project in the Visual C# language nodes.
Add a reference to the SQL Server 2005 database that will contain the UDT.
Add a User-Defined Type class.
Write code to implement the UDT.
Select Deploy from the Build menu.
Now I need to ask some quistions:
1- When I try to add a new query to a table that contains my new data type in its columns,if I try to exexute the query the next message appears:
'Execution of user code in the .Net framework is disabled. Enable "clr enabled" configuration option'.
How can I doing that??
2- I need to use that database - which has the new data type - in a traditional ' Visual C# Windows Application' instead of 'Database', but:
when I try to add a new Data Source that contains the tables that have the new data types in its definitions, the next message appears:
'<AyaDatabase.dbo.MyNewUDTTable>
User-defined types(UDTs)are not supported in the Dataset Designer.'
So, how can I resolve that problem??
please help me.
Thanks in advance for any help.
Aya.
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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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Apr 16, 2008
Hi,
The table in SQL has column Availability Decimal (8,8)
Code in c# using sqlbulkcopy trying to insert values like 0.0000, 0.9999, 29.999 into the field Availability
we tried the datatype float , but it is converting values to scientific expressions€¦(eg: 8E-05) and the values displayed in reports are scientifc expressions which is not expected
we need to store values as is
Error:
base {System.SystemException} = {"The given value of type SqlDecimal from the data source cannot be converted to type decimal of the specified target column."}
"System.InvalidOperationException: The given value of type SqlDecimal from the data source cannot be converted to type decimal of the specified target column. ---> System.InvalidOperationException: The given value of type SqlDecimal from the data source cannot be converted to type decimal of the specified target column. ---> System.ArgumentException: Parameter value '1.0000' is out of range.
--- End of inner exception stack trace ---
at System.Data.SqlClient.SqlBulkCopy.ConvertValue(Object value, _SqlMetaData metadata)
--- End of inner exception stack trace ---
at System.Data.SqlClient.SqlBulkCopy.ConvertValue(Object value, _SqlMetaData metadata)
at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternal()
at System.Data.SqlClient.SqlBulkCopy.WriteRowSourceToServer(Int32 columnCount)
at System.Data.SqlClient.SqlBulkCopy.WriteToServer(DataTable table, DataRowState rowState)
at System.Data.SqlClient.SqlBulkCopy.WriteToServer(DataTable table)
at MS.Internal.MS
COM.AggregateRealTimeDataToSQL.SqlHelper.InsertDataIntoAppServerAvailPerMinute(String data, String appName, Int32 dateID, Int32 timeID) in C:\VSTS\MXPS Shared Services\RealTimeMonitoring\AggregateRealTimeDataToSQL\SQLHelper.cs:line 269"
Code in C#
SqlBulkCopy bulkCopy = new SqlBulkCopy(sqlConnection, SqlBulkCopyOptions.Default);
DataRow dr;
DataTable dt = new DataTable();
DataColumn dc;
try
{
dc = dt.Columns.Add("Availability", typeof(decimal));
€¦.
dr["Availability"] = Convert.ToDecimal(s[2]); ------ I tried SqlDecimal
€¦€¦€¦.
}
bulkCopy.DestinationTableName = "dbo.[Tbl_Fact_App_Server_AvailPerMinute]";
bulkCopy.WriteToServer(dt);
thx
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Jul 6, 2006
I am trying to use the Bulk Insert Task to load from a csv file. My final column is a bit that is nullable. My file is an ID column that is int, a date column that is mm/dd/yyy, then 20 columns that are real, and a final column that is bit. I've tried various combinations of codepage and datafiletype on my task component. When I have RAW with Char, I get the error included below. If I change to RAW/Native or codepage 1252, I don't have an issue with the bit; however, errors start generating on the ID and date columns.
I have tried various data type settings on my flat file connection, too. I have tried DT_BOOL and the integer datatypes. Nothing seems to work.
I hope someone can help me work through this.
Thanks in advance,
SK
SSIS package "Package3.dtsx" starting.
Error: 0xC002F304 at Bulk Insert Task, Bulk Insert Task: An error occurred with the following error message: "Cannot fetch a row from OLE DB provider "BULK" for linked server "(null)".The OLE DB provider "BULK" for linked server "(null)" reported an error. The provider did not give any information about the error.The bulk load failed. The column is too long in the data file for row 1, column 24. Verify that the field terminator and row terminator are specified correctly.Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 23 (cancelled).".
Error: 0xC002F304 at Bulk Insert Task 1, Bulk Insert Task: An error occurred with the following error message: "Cannot fetch a row from OLE DB provider "BULK" for linked server "(null)".The OLE DB provider "BULK" for linked server "(null)" reported an error. The provider did not give any information about the error.The bulk load failed. The column is too long in the data file for row 1, column 24. Verify that the field terminator and row terminator are specified correctly.Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 23 (cancelled).".
Task failed: Bulk Insert Task 1
Task failed: Bulk Insert Task
Warning: 0x80019002 at Package3: The Execution method succeeded, but the number of errors raised (2) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "Package3.dtsx" finished: Failure.
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Feb 13, 2002
Ok, I'm doing a football database for fixtures and stuff. The problem I am having is that in a fixture, there is both a home, and an away team. The tables as a result are something like this:
-------
Fixture
-------
fix_id
fix_date
fix_played
----
Team
----
tem_id
tem_name
-----------
TeamFixture
-----------
fix_id
tem_id
homeorawayteam
goals
It's not exactly like that, but you get the point. The question is, can I do a fixture query which results in one record per fixture, showing both teams details. The first in a hometeam field and the second in an away team field.
Fixture contains the details about the fixture like date and fixture id and has it been played
Team contains team info like team id, name, associated graphic
TeamFixture is the table which links the fixture to it's home and away team.
TeamFixture exists to prevent a many to many type relationship.
Make sense? Sorry if this turns out to be really easy, just can't get my head around it at the mo!
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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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