Float Data Type

Oct 27, 2000

We are using a GL package called Solomon. It uses SQL Server 7.0 for it's database. I want to create a data warehouse using this data as the source. The package uses the float data type for dollar amounts. The dollar amounts in the data have either no numbers, 1 number, or 2 numbers after the decimal point. Is the float data type the best one to use in my data warehouse for dollars and cents, or should I try using the monetary or decimal (precision 2) data type? Which type uses the most storage?

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Converting A Data Type Double To A Type Float Using A Data Adapter && SSCE 3.5

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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Float Data Type

Oct 17, 2001

I am using SQL Server 7.0. I create a table with one field..type of float.
Using SQL Server Query Analyzer:
INSERT INTO MyTable(MyField) VALUES (4.9)
INSERT INTO MyTable(MyField) VALUES (Round(4.9,2))


SELECT * FROM MyTable

Result = 4.9000000000000004

This is a basic example of a problem I am having in another table with the
same float field that I am using to store money in. I don't want to use
the money field as the BDE from Borland has some issues with money fields.
Any suggestions? Thanks in advance.

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Mar 8, 2004

Hi all,
I have declared a field with datatype as float.
When I enter value with two precision it chooses to round off to lower value and insert into the database.

I am losing precision in this case.

I want to insert 4.56. It inserts the way shown and hence all my further calculations go haywire.

Is SQL server designed to store float like this or Am I doing soemting wrong ???

Please advise...

4.56 (Inserted)

4.5599999999999996 (Stored)

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Apr 4, 2008

Hai...

Hopefully ur guys can help me. I declare data type as float in price table. So the problem here is, whenever i enter a float number and move to the second row to enter a new number. The first number in the first row will automatically change to integer, without no reason. For example "2.3" will become "25".

Is there any configuration that need to do.

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SQL Server Float Data Type

Feb 16, 2006

1. In c++ (or any other language) I'm copying bit by bit to a doublevariable dob_var.2. If I copy dob_var to dob_var2 which is also a double I do not loseinformation.3. This implies that the same would be when copying to a data base, butwhen I write dob_var to an sql server float field (same size as adouble variable = 64 bit) it sometimes loses information. e.g. whenvalue=1E-320.It is true that SQL float is valid until 1E-308 but so is a C++ double.Any comments?

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Oct 17, 2007

Error converting data type varchar to float.


I am getting this error. Any one there to guide me

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Error Converting Data Type Varchar To Float.

Mar 25, 2008

hello anyone... i got this message "Error converting data type varchar to float" when i was trying to insert values into table using instead of trigger...

below is my table ClimateData

quote:USE [PVMC Database]
GO
/****** Object: Table [dbo].[ClimateData] Script Date: 03/26/2008 03:04:44 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[ClimateData](
[Climate_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_ClimateData_Climate_application_id] DEFAULT (newid()),
[Latitude] [float] NULL,
[Longitude] [float] NULL,
[Altitude] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[Climate_type] [varchar](100) COLLATE Latin1_General_CI_AI NULL,
[PV_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_ClimateData_1] PRIMARY KEY CLUSTERED
(
[Climate_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

GO
SET ANSI_PADDING OFF
GO
USE [PVMC Database]
GO
ALTER TABLE [dbo].[ClimateData] WITH CHECK ADD CONSTRAINT [FK_ClimateData_Photovoltaic] FOREIGN KEY([PV_application_id])
REFERENCES [dbo].[Photovoltaic] ([PV_application_id])
ON UPDATE CASCADE
ON DELETE CASCADE


Below is photovoltaic table

quote:USE [PVMC Database]
GO
/****** Object: Table [dbo].[Photovoltaic] Script Date: 03/26/2008 03:06:58 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[Photovoltaic](
[PV_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_Photovoltaic_PV_application_id] DEFAULT (newid()),
[PV_site] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_state] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_type_of_system] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_nominal_power] [float] NULL,
[PV_module] [varchar](150) COLLATE Latin1_General_CI_AI NULL,
[PV_mounting] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_building_type] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_topology] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_new_or_retrofit] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_design] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_construction] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_commissioning_date] [datetime] NULL CONSTRAINT [DF_Photovoltaic_PV_commissioning_date] DEFAULT (getdate()),
[PV_site_photo] [varbinary](max) NULL,
[PV_peak_nominal_rating] [float] NULL,
[User_application_id] [uniqueidentifier] NULL,
[Org_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_Photovoltaic_1] PRIMARY KEY CLUSTERED
(
[PV_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

GO
SET ANSI_PADDING OFF
GO
USE [PVMC Database]
GO
ALTER TABLE [dbo].[Photovoltaic] WITH CHECK ADD CONSTRAINT [FK_Photovoltaic_OrganizationDetail] FOREIGN KEY([Org_application_id])
REFERENCES [dbo].[OrganizationDetail] ([Org_application_id])
ON UPDATE CASCADE
ON DELETE CASCADE
GO
ALTER TABLE [dbo].[Photovoltaic] WITH CHECK ADD CONSTRAINT [FK_Photovoltaic_Users] FOREIGN KEY([User_application_id])
REFERENCES [dbo].[Users] ([User_application_id])
ON UPDATE CASCADE
ON DELETE CASCADE

Below also my command for instead of trigger


quote:set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go


CREATE trigger [tr_v_PhotovoltaicClimateData] on [dbo].[v_PhotovoltaicClimateData] instead of insert as
BEGIN

insert Photovoltaic (PV_site, PV_state, PV_type_of_system, PV_nominal_power, PV_module,
PV_mounting)
select distinct inserted.PV_site, inserted.PV_state, inserted.PV_type_of_system,
inserted.PV_nominal_power, inserted.PV_module, inserted.PV_mounting
from inserted left join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
and inserted.PV_state = Photovoltaic.PV_state
and inserted.PV_type_of_system = Photovoltaic.PV_type_of_system
and inserted.PV_nominal_power = Photovoltaic.PV_nominal_power
and inserted.PV_nominal_power = Photovoltaic.PV_module
and inserted.PV_nominal_power = Photovoltaic.PV_mounting
where Photovoltaic.PV_site IS NULL /*** Exclude Organization Detail already in the table ***/

insert ClimateData (Latitude, Longitude, Altitude, Climate_type, PV_application_id)
select distinct inserted.Latitude, inserted.Longitude, inserted.Altitude, inserted.Climate_type,
Photovoltaic.PV_application_id
from inserted inner join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
left join ClimateData on inserted.Latitude = ClimateData.Latitude
and inserted.Longitude = ClimateData.Longitude
and inserted.Altitude = ClimateData.Altitude
and inserted.Climate_type = ClimateData.Climate_type
where ClimateData.Latitude IS NULL /*** Exclude Organization Types already in the table ***/

END -- trigger def




and finally, i hav tried using this command to insert into table v_PhotovoltaicClimateData.. this is the command to insert

quote:insert into v_PhotovoltaicClimateData(PV_site, PV_state, PV_type_of_system, PV_nominal_power,
PV_module, PV_mounting, Latitude, Longitude, Altitude, Climate_type)
values ('CETDEM', 'Sequ Inspection', 'Cheras', 34.44, 'ew', 'ewew',
34343.44, 323.32, 'ewew', 'ewewe')

and i got this error...

quote:Msg 8114, Level 16, State 5, Procedure tr_v_PhotovoltaicClimateData, Line 6
Error converting data type varchar to float.



so anyone... plzz help me...

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Error Converting Data Type Varchar To Float

Mar 28, 2008

Hello everyone... i have some problem with instead of trigger... after insert values into v_PhotovoltaicClimateData, i got this error, Msg 8114, Level 16, State 5, Procedure tr_v_PhotovoltaicClimateData, Line 6
Error converting data type varchar to float.

below is my DDL for Photovoltaic table

quote:CREATE TABLE [dbo].[Photovoltaic](
[PV_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_Photovoltaic_PV_application_id] DEFAULT (newid()),
[PV_site] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_state] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_type_of_system] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_nominal_power] [float] NULL,
[PV_module] [varchar](150) COLLATE Latin1_General_CI_AI NULL,
[PV_mounting] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_building_type] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_topology] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_new_or_retrofit] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_design] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_construction] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_commissioning_date] [datetime] NULL CONSTRAINT [DF_Photovoltaic_PV_commissioning_date] DEFAULT (getdate()),
[PV_site_photo] [varbinary](max) NULL,
[PV_peak_nominal_rating] [float] NULL,
[User_application_id] [uniqueidentifier] NULL,
[Org_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_Photovoltaic_1] PRIMARY KEY CLUSTERED
(
[PV_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

Below is my DDL for ClimateData table

quote:CREATE TABLE [dbo].[ClimateData](
[Climate_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_ClimateData_Climate_application_id] DEFAULT (newid()),
[Latitude] [float] NULL,
[Longitude] [float] NULL,
[Altitude] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[Climate_type] [varchar](100) COLLATE Latin1_General_CI_AI NULL,
[PV_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_ClimateData_1] PRIMARY KEY CLUSTERED
(
[Climate_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]



below is my v_PhotovoltaicClimateData

quote:CREATE VIEW [dbo].[v_PhotovoltaicClimateData]
AS
SELECT dbo.Photovoltaic.PV_site, dbo.Photovoltaic.PV_state, dbo.Photovoltaic.PV_type_of_system, dbo.Photovoltaic.PV_nominal_power,
dbo.Photovoltaic.PV_module, dbo.Photovoltaic.PV_mounting, dbo.ClimateData.Latitude, dbo.ClimateData.Longitude, dbo.ClimateData.Altitude,
dbo.ClimateData.Climate_type
FROM dbo.ClimateData INNER JOIN
dbo.Photovoltaic ON dbo.ClimateData.PV_application_id = dbo.Photovoltaic.PV_application_id

below is my instead of trigger command...

quote:CREATE trigger [tr_v_PhotovoltaicClimateData] on [dbo].[v_PhotovoltaicClimateData] instead of insert as
BEGIN

insert Photovoltaic (PV_site, PV_state, PV_type_of_system, PV_nominal_power, PV_module,
PV_mounting)
select distinct inserted.PV_site, inserted.PV_state, inserted.PV_type_of_system,
inserted.PV_nominal_power, inserted.PV_module, inserted.PV_mounting
from inserted left join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
and inserted.PV_state = Photovoltaic.PV_state
and inserted.PV_type_of_system = Photovoltaic.PV_type_of_system
and inserted.PV_nominal_power = Photovoltaic.PV_nominal_power
and inserted.PV_nominal_power = Photovoltaic.PV_module
and inserted.PV_nominal_power = Photovoltaic.PV_mounting
where Photovoltaic.PV_site IS NULL /*** Exclude Photovoltaic already in the table ***/

insert ClimateData (Latitude, Longitude, Altitude, Climate_type, PV_application_id)
select distinct inserted.Latitude, inserted.Longitude, inserted.Altitude, inserted.Climate_type,
Photovoltaic.PV_application_id
from inserted inner join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
left join ClimateData on inserted.Latitude = ClimateData.Latitude
and inserted.Longitude = ClimateData.Longitude
and inserted.Altitude = ClimateData.Altitude
and inserted.Climate_type = ClimateData.Climate_type
where ClimateData.Latitude IS NULL /*** Exclude Climate Data already in the table ***/

END -- trigger def

this is my commad insert values using instead of trigger that i've created...

quote:insert into v_PhotovoltaicClimateData(PV_site, PV_state, PV_type_of_system, PV_nominal_power,
PV_module, PV_mounting, Latitude, Longitude, Altitude, Climate_type)
values ('CETDEM', 'Sequ Inspection', 'Cheras', 34.44 , 'ew', 'ewew',
34343.44, 323.32, 'ewew', 'ewewe')

after execute this commad, i got this error..
quote:Msg 8114, Level 16, State 5, Procedure tr_v_PhotovoltaicClimateData, Line 6
Error converting data type varchar to float.

what should i do??? anyone help me.

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Here's what I get with the comparison line activated:

I've tried converting to numeric, int and bigint instead of float. I've tried CAST instead of CONVERT. Nothing works.

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This is the request :

SELECT DISTINCT N_ROW_ID FROM COMM WHERE N_ARTICLE_ID=79510 AND N_DATASOURCE_ID=1 AND N_SOURCE_ID=-102 AND N_PROVIDER_ID=-100
AND N_LEAD_TIME IS NULL AND N_UNIT_PRICE = 329.78 AND N_UNIT_PRICE_CURRENCY_ID=1



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In the line need, the field N_UNIT_PRICE has 329.78 but with the round of SQL Server 2K I have 329.779999999999997.

So I never find the row



Do you have a solution for comparate a float flied with SQL Server round and a float send in a request as my 329.78?

I can't transform the column in decimal or numeric data type.

Is it possible to Disable the function?



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Apr 9, 2007

I can't take full credit for this. I want to share this with Jeff Moden who did the important research for this calculation here.

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SELECT@SomeNumber = -185.6125,
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END
END

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Peter Larsson
Helsingborg, Sweden

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version = VersionTextBox.Text

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End Sub
End Class
 

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I am using SQL Server 2000, VS 2003
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Hi,

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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."}

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--- 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();
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try
{

dc = dt.Columns.Add("Availability", typeof(decimal));
€¦.

dr["Availability"] = Convert.ToDecimal(s[2]); ------ I tried SqlDecimal
€¦€¦€¦.

}
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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).".

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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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