MSSQL Float Data Problem
Sep 27, 2007
Hello,
I am connecting to MSSQL through ODBC using regular SQL commands (SQLAllocHandle, SQLConnect, SQLFetch). Sometimes when I retrieve float data from the server it gets corrupted. For instance, instead of 59.457443 I will actually get 59.45744299999998. The value that is stored in the database is 59.457443 and it is stored as a float. The code I use to retrieve the data worked OK with an Access database, the problem only appeared after switching to MSSQL. Does anybody know if it's a configuration issue? Any help would be greatly appreciated.
EoF
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Sep 27, 2007
Hi,
I am having problems using MSSQL Express with ODBC. I am trying to retrieve a float field from the MSSQL server, but the value I get is corrupted (or at least approximated wrong). For instance, the value I want to retrieve is 59.457443, but what I actually get is 59.457442999999998. This only happens if I connect through ODBC. I did some tracing with ODBC and I've noticed that it's not a problem in my code, since the wrong value is what is actually extracted from the database. Following is an extract from the log file.
a88-ec EXIT SQLGetData with return code 0 (SQL_SUCCESS) HSTMT 03C62918 UWORD 5 SWORD 1 <SQL_C_CHAR> PTR 0x0415EB30 [ 18] "59.457442999999998" SQLLEN 50 SQLLEN * 0x0415E720 (18)
I am wondering if I overlooked something configuration-wise of if this is a bug in the driver? Any help would be greatly appreciated.
EoF
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Nov 13, 2007
I'm connecting MSSQL Server 2005 Express via MS Driver for PHP (CTP version October 2007) and sometimes I don't retrieve exact float values. For example, in database is 0.7 and I get 0.69999999999999996, but for 1.0 in database I get 1.0. The result is the same, if I use prepared statement (sqlsrv_conn_prepare() and sqlsrv_stmt_execute()) or directly sql_conn_execute().
The table definition is very simple:
CREATE TABLE [dbo].[test](
a float NOT NULL
);
insert into test values(0.7);
insert into test values(1.0);
insert into test values(1.1);
insert into test values(1.2);
insert into test values(1.3);
insert into test values(1.4);
insert into test values(1.5);
insert into test values(1.6);
insert into test values(1.7);
insert into test values(1.8);
insert into test values(1.9);
insert into test values(2.0);
And select command is:
select a from test;
PHP code:
$conn = sqlsrv_connect("localhostsqlexpress", array("UID" => "sa", "PWD" => "password"));
sqlsrv_conn_execute($conn, "USE dbname");
$stmt = sqlsrv_conn_execute($conn, "select a from test");
while($row = sqlsrv_stmt_fetch_array($stmt, SQLSRV_FETCH_TYPE_ARRAY))
echo $row[1]."; ";
Result:
0.69999999999999996; 1.0; 1.1000000000000001; 1.2; 1.3; 1.3999999999999999; 1.5; 1.6000000000000001; 1.7; 1.8; 1.8999999999999999; 2.0
Expected result:
0.7; 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 2.0
Running configuration:
Windows 2003 Server SP2, SQL Server 2005 Express SP2, IIS6, PHP 5.2.5 ISAPI
Thank you very much for help.
Vlasta
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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.
All I did was just adapting some old code according to the mantissa finding Jeff made and optimized it a little
Some test codeDECLARE@SomeNumber FLOAT,
@BinFloat BINARY(8)
SELECT@SomeNumber = -185.6125,
@BinFloat = CAST(@SomeNumber AS BINARY(8))
SELECT@SomeNumber AS [Original],
CAST(@SomeNumber AS BINARY(8)) AS [Binary],
dbo.fnBinaryFloat2Float(CAST(@SomeNumber AS BINARY(8))) AS [Converted],
@SomeNumber - dbo.fnBinaryFloat2Float(CAST(@SomeNumber AS BINARY(8))) AS [Error]
And here is the code for the function.CREATE FUNCTION dbo.fnBinaryFloat2Float
(
@BinaryFloat BINARY(8)
)
RETURNS FLOAT
AS
BEGIN
DECLARE@Part TINYINT,
@PartValue TINYINT,
@Mask TINYINT,
@Mantissa FLOAT,
@Exponent SMALLINT,
@Bit TINYINT,
@Ln2 FLOAT,
@BigValue BIGINT
SELECT@Part = 1,
@Mantissa = 1,
@Bit = 1,
@Ln2 = LOG(2),
@BigValue = CAST(@BinaryFloat AS BIGINT),
@Exponent = (@BigValue & 0x7ff0000000000000) / EXP(52 * @Ln2)
WHILE @Part <= 8
BEGIN
SELECT@Part = @Part + 1,
@PartValue = CAST(SUBSTRING(@BinaryFloat, @Part, 1) AS TINYINT),
@Mask =CASE WHEN @Part = 2 THEN 8 ELSE 128 END
WHILE @Mask > 0
BEGIN
IF @PartValue & @Mask > 0
SET @Mantissa = @Mantissa + EXP(-@Bit * @Ln2)
SELECT@Bit = @Bit + 1,
@Mask = @Mask / 2
END
END
RETURNSIGN(@BigValue) * @Mantissa * POWER(CAST(2 AS FLOAT), @Exponent - 1023)
END
Thanks again Jeff!
Peter Larsson
Helsingborg, Sweden
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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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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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Mar 2, 2005
I've got a float data type in a table. I imported data from a csv file. One value was 0.5195, but when I use the value in a calculation or select it using the Query Analyser, I'm getting a value of 0.51949999999999996. Is there any way around this, it's a real pain?
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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Mar 20, 2006
I am using SQL Server 2000, VS 2003
I have Education table in which there is a field CGPA having float data type (null allowed) I retreive the data from SQL server using stroed proc and store it in SqlDataReader dr while reading if CGPA contains 0 then it raises an error that "Specified cast is not valid" other wise it does not raise any error.
while (dr.Read()){ Education e = new Education(); e.EducationId = dr.GetInt32(0); e.Country = dr.GetInt32(1); e.InstitutionName = dr.GetString(2); e.Grade = dr.GetString(3); e.CGPA = dr.GetFloat(4); // ERROR HERE e.Percentage = dr.GetFloat(5); e.PassingYear = dr.GetString(6);}
where as in Education CGPA is also the float property can any one tell me how to read 0 value of float from SQL server
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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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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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Jan 7, 2008
For example load 0.15 from Excel to varchar field in database and get 14.99999, why?
How just get 0.15 in varchar field?
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Jan 10, 2008
Hi All,
Am I missing something or is there something odd with float data types. i know that float is not the most precise definition but i came across something really odd today.
first let me define the scenario.
this is sql server 2005, standard edition build 3042.
I have a table defined as
CREATE TABLE [dbo].[ASSET](
[Property_Num] [numeric](10, 0) NOT NULL,
[Accrual_Factor_Val] [float] NULL
)
the accrual_factor_val was updated to a value of 0.00005 then the web service failed because the proc returned 5E-05!
i opened the table, and discovered this is the stored value. is this correct?
thoughts and ideas?
thanks for your input!
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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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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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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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Jul 23, 2005
I have created a stored procedure that contain this field (below) inorder to meet certain criteria. But my problem is when I try to runthe stored procedure I encounter an error "Error converting data typevarchar to float".CASE Final WHEN 0 THEN '--' ELSE Final END AS FinalGradeThe Final field is a float data type.Could anyone teach me how to fix this problem?
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May 8, 2008
Hello,
I have a simple question. Is it at all possible to replace columns which has nulls with blank spaces for a float data type column.
The columns has null values( written)) in it in some rows and has numbers in other rows . I want to remove nulls before copying it to another file.
Thanks
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Sep 24, 2015
In the following code I want to compare 2 values: AccessVal and SQLVal. The values are stored as nvarchars, so I'm isolating the numeric values in a subquery. Notice I'm only selecting 1 row. The commented line, where I compare the values, is throwing the error.
SELECT QA_AutoID, AccessVal, SQLVal
,ROUND(ABS(CONVERT(float, AccessVal,1)),0) as AccessFloat
,ROUND(ABS(CONVERT(float, SQLVal,1)),0) as SQLFloat
FROM QA
WHERE QA_AutoID in (
SELECT TOP 1 QA_AutoID
FROM QA
WHERE ISNUMERIC(SQLVal) = 1 AND ISNUMERIC(AccessVal) = 1
)
--AND ROUND(ABS(CONVERT(float, AccessVal,1)),0) <> ROUND(ABS(CONVERT(float, SQLVal,1)),0)
ORDER BY ROUND(ABS(CONVERT(float, AccessVal,1)),0) DESC
,ROUND(ABS(CONVERT(float, SQLVal,1)),0) DESC
Here is the output with the comparison commented out...
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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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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Sep 10, 2007
Hi,
I have a excel file which i want to import the data to sql server... The sql server Data type for that particular column is
varchar and it has a contraint too like the data should be in this fashion 00000-0000 or 00000...
but when i try to import the data from the excel to sql server... 08545 just becomes 8545 (cause excel is treating it as a float) and so my insert fails...
what can i do to rectify the problem...
regards
Karen
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Jun 19, 2007
Hello,
I have a problem with the round of SQL Server 2K on the float data type.
In my application I do a SQL request for find a row in a table of SQL Server 2K.
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
N_UNIT_PRICE is a float data type.
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?
Regards
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Jun 11, 2014
So I have two tables with similar columns etc, unfortunately the Insert to the History table fails. Noto sure how to format.
Source Table.
CREATE TABLE [dbo].[SKUCURRENT](
[UID] [int] IDENTITY(1,1) NOT NULL,
[SKU] [nvarchar](100) NOT NULL,
[WHSELOC] [nvarchar](50) NOT NULL,
[WEIGHT] [nvarchar](50) NOT NULL,
[Code] ....
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Dec 6, 2006
I currently run our company website using MS Access and ASP. I am trying to upgrade the database to MSSQL Server 2000. Unfortunately I'm not finding it that straight forward. I am trying to learn MSSQL but the learning curve is a bit steep.
I have a column in my MSSQL db called tbl_FULL which contains a full description of the product along with html formatting for line breaks, paragraphs and special characters (ie •).
I have set the data type to varchar 1800. All seemed to be well until I tried to enter new data, but unfortunately it only displays the first 50 or so characters.
Can anyone tell me what I am doing wrong?
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Jan 20, 2008
I would like to use bcp and transfer image data from MS-SQL Server 6.5 to MS SQL Server 2005.
1. Can I use bcp successfully? if so should I mention any option to copy the BLOB?
2. Is there any reliable method to move tables with BLOBs
Regards,
/ash
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Sep 24, 2004
Hi,
I wish to enter some string data with period(.) in a column with char type. It doesn't accept period(.) What data type should I choose for this field ?
I'm using MSSQL Server 2000.
Please advice.
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Jul 13, 2004
I recall something about Analysis Services (SQL server tool) that is able to extract data from the DB tables (select multiple tables if one wishes (and to link those tables up ??!?)) then extracted to MS Excel. It has been a while since the course was last taught, I'm not at all sure how the steps were, or how Excel were able to display them. Would someone advice or refer to a tutorial if possible?
Much thanks!
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May 15, 2006
I am just starting out with MSSQL, but have previous experience with MySQL and PGSQL. What I'm trying to do is do a nightly dump of data from a proprietary DB into MSSQL. Access to the prop DB is through an ODBC driver.
I already have a DTS script that will dump a specific table, but every time it runs it just appends the data to the end of the table.
What I am looking for is a way to download a list of tables, upload them into the MSSQL DB, and if something failed, rollback to the state before the data transfer and somehow alert of the fact.
Any help will be greatly appreciated!
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Mar 10, 2004
reading help i know that client for working with mssql remote db must have installed oledbprovider for XXX
i always use ole db provider for ODBC
, this ole db provider is installed with mssql, but what exactly must to have the clients which are not familiar with this ole bd provider, what files ?
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Jan 19, 2008
Hello,I need to learn where mssql server stores its data. I knew it was inProgram filesCommon filesBut I cant find.. Its urgent pls..Thanx
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Jul 20, 2005
Hi all.I need to set a oneway replication of some data from MSSQL (running underWindows 2000 server) to MYSQL (running under Linux).Do you have some ideas to solve the problem?Thank youLuca
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Aug 2, 2007
How do you determine the data folder during the SQL2005 Express install?
No matter what folder I start with it gets appended with MSSQL.1 or MSSQL.2
If another vendor has installed a different instance of SQL2005 how do I know whether mine is .1 or .2 ?
Basically I need to know the full folder in order to copy our MDF/LDF files into so we can attach them.
Or is there another way?
Thanks.
Graham
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Jan 22, 2008
Where is the correct forum for that,
Thanks,
Dani.
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