Determine Largest Numeric Datatype Scale Of A Column?

Oct 25, 2012

I would like to determine the largest numeric datatype scale of a column.

Decimal Largest Scale Solution found here.

Sample Data:

2222.0002430
2222.0000245
2222.0023455

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Largest Datatype

Apr 30, 2001

just needed to know the datatype that had the largest amount of characters that could be allowed within the field. thanx.

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SQL Server 2012 :: Determine Which Column Is Causing Error Converting Data Type Varchar To Numeric?

Aug 14, 2014

I'm moving data from one database to another (INSERT INTO ... SELECT ... FROM ....) and am encountering this error:

Msg 8114, Level 16, State 5, Line 6
Error converting data type varchar to numeric.

My problem is that Line 6 is:

set @brn_pk = '0D4BDE66347C440F'

so that is obviously not the problem and my query has almost 200 columns. I can go through one by one and compare what column is int in my destination table and what is varchar in my source tables, but that could take quite a while. How I can work out what column is causing the problem?

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T-SQL (SS2K8) :: Varchar Datatype Field Will Ignore Leading Zeros When Compared With Numeric Datatype?

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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Numeric Datatype To Ssis Variable Datatype Conversion Problem

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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Converting / Cast Varchar To Numeric With Scale?

Sep 1, 2013

I have a varchar(len=9) field that I want to cast as numeric(9,2). Some of the field values are null but some have valid values (ie 1.00 or .05).

I am selecting data from one table and then updating a different table.

I have a select statement within an insert statement and then an update statement. I've tried a cast statement but not successfully. I get the following error.

[Execute SQL Task] Error: Executing the query "Exec sp_ESTLoadPOData" failed with the following error: "Error converting data type varchar to numeric.". Possible failure reasons:

Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.

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Numeric Or Time-scale Values Apparently Produce 2 Datasets?

Mar 30, 2008



Hi All,
I have developed few charts - line graphs - and have checked the Numeric or time-scale values on the X-Axis. Now, when the graphs come out, they appear to have two datasets. For example, if the X axis has values from 1st march to 14th March, then there will be a line from 1st March to 14th March, but additionally there will be another one, pointing to different datapoint, and again starts from 1st March and ends at 14th March. Whereas I think it is because of the Numeric or time-scale values selection, but I am not sure. Also, is there a particular way to interpret such graphs??

Thanks a lot, I would have loved to give a picture, but I think I cannot give it.. I did not find an option..

Let me know if the question is not clear enough..

Manoj Deshpande.

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Selecting Numeric Or Time-scale Values On Chart Yields Duplicate Months

Feb 15, 2008



I have a line chart which works great except when the x axis displays duplicate months. I have tried format codes of MM-YYYY and MMM and have the "numeric or time-scale values" checkbox checked. The data displays fine but the X axis in the case of the MMM format code displays as:

Sep Oct Oct Nov Nov

leaving the user to wonder where exactly does October and November start...

I've googled around but don't see off-hand what I am doing wrong. I am display 3 simultaneous lines if that matters...

Thanks!
Craig

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DataReader Source Error - Cannot Change The Datatype, Precision Or Scale In The Output Columns

Oct 3, 2007

I have a data source that I access via odbc in a DataReader Source component in SSIS. I can access the data fine. However, I am having problems with certain fields that are numeric (specifically home prices ranging from 100,000.00 to 99,999,999.00). In the advanced editor for my data reader source under the input and output properties tab, in data reader output under the external columns and output columns, these fields for some reason default to numeric data types with a precision of 4 and a scale of zero, not large enough to hold the data that is coming in. This causes errors that make the data come in as null (after i specify to ignore the errors).

I can change the precision and scale to 18 and 4 in the external columns, but when I try to change the datatype, precision or scale in the output columns I get the following message:

Property Value is not valid.

The details are:

Error at Import DataReader Source: The data type of output columns on the component "DataReader Source" cannot be changed.
Error at DataReader Source: System.Runtime.InteropServices.COMException (0xC020837D)
at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.SetOutputColumnDataTypeProperties(Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostSetOutputColumnDataTypeProperties(IDTSManagedComponentWrapper90 wrapper, Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)

Any help is greatly appreciated.
Dave

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Error At OutputColumn.SetDataTypeProperties(dataType, Length, Precision, Scale, TargetColumn.CodePage);

Feb 14, 2008



I have generated the package ! but it gives me an error at:


outputColumn.SetDataTypeProperties(dataType, length, precision, scale, targetColumn.CodePage);

private void ConfigureDataConversionComponent(Microsoft.SqlServer.Dts.Pipeline.Wrapper.IDTSComponentMetaData90 dataconversionComponent)

{

PipeLineWrapper.CManagedComponentWrapper managedOleInstance = managedOleInstanceDataConversionComponent;

// Get the derived's default input and virtual input.

PipeLineWrapper.IDTSInput90 input = dataconversionComponent.InputCollection[0];

PipeLineWrapper.IDTSVirtualInput90 vInput = input.GetVirtualInput();

// Iterate through the virtual input column collection.

foreach (PipeLineWrapper.IDTSVirtualInputColumn90 vColumn in vInput.VirtualInputColumnCollection)

{

managedOleInstance.SetUsageType(

input.ID, vInput, vColumn.LineageID, PipeLineWrapper.DTSUsageType.UT_READONLY);

}

// putting the truncation row disposition

dataconversionComponent.OutputCollection[0].TruncationRowDisposition =

PipeLineWrapper.DTSRowDisposition.RD_NotUsed;

// putting the error row disposition

dataconversionComponent.OutputCollection[0].ErrorRowDisposition =

PipeLineWrapper.DTSRowDisposition.RD_NotUsed;

// get the output column collection reference

PipeLineWrapper.IDTSOutput90 output = dataconversionComponent.OutputCollection[0];

foreach (PipeLineWrapper.IDTSInputColumn90 inColumn in

dataconversionComponent.InputCollection[0].InputColumnCollection)

{ // create the map

// get the target column from the mapping informations

PipeLineWrapper.IDTSOutputColumn90 outputColumn =

dataconversionComponent.OutputCollection[0].OutputColumnCollection.New();

outputColumn.Name = inColumn.Name;

Column targetColumn = GetTargetColumnInfo(inColumn.Name);

// find out the length of the column

int length = targetColumn.Length;

// get the precision of the target column

int precision = targetColumn.Precision;

// get the scale of the target column

int scale = targetColumn.Scale;

// get the SSSIS complaint datatype from the given mappings

Microsoft.SqlServer.Dts.Runtime.Wrapper.DataType dataType = targetColumn.DataType;

// setting the data properties

outputColumn.SetDataTypeProperties(dataType, length, precision, scale, targetColumn.CodePage);



// putting the external metadata column id to zero

outputColumn.ExternalMetadataColumnID = 0;

outputColumn.ErrorRowDisposition = PipeLineWrapper.DTSRowDisposition.RD_RedirectRow;

outputColumn.TruncationRowDisposition = PipeLineWrapper.DTSRowDisposition.RD_RedirectRow;

PipeLineWrapper.IDTSCustomProperty90 property = outputColumn.CustomPropertyCollection.New();

property.Name = "SourceInputColumnLineageID";

property.Value = GetSourceColumnLineageID(targetColumn.Name);

property = outputColumn.CustomPropertyCollection.New();

property.Name = "FastParse";

property.Value = false;

// Now we are preserving the Lineage id into a list.

// you know, when later we will configure the dataflowcomponent of SQL destination

// then, we will find all the inputs (the input came from flat file and the inputs

// came from the derived columns output). And we need to distinguish among them.

// we will only consider those inputs into the data destination component, where the

// inputs are came from the out put of derived column component. which is actually here.

derivedLineageIdentifiers[outputColumn.LineageID] = outputColumn.Name;

}

}

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Determine If Values In A Field Are Alpha Or Numeric

Feb 28, 2008

HI,
Thanks in advance for taking your time to read this post.
I am trying to write a SQL query using MS SQL 2005 that will read the value of a field and tell if it is alpha or numeric.  I have tried the following but it does not work:
select field1 from table1 where left(field1,2)='[0-9]'
select field1 from table1 where isnumber(left(field1,2) tried with a =1 at the end and without and =1 at the end
the goal is to read through a field and format it so if a field looks like this 12xxx111xx I can change it to look like 12-xxx-111-xx.
Any help is greatly apprecaited

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Retrieve All Rows With Largest Value In A Particular Column?

Jul 18, 2012

I am trying to retrieve all rows with the largest value in a particular column. The largest value could return many rows for a particular users. Here is what I have thus far.

SELECT DISTINCT
ID, NAME, FOP, ACCT, CTNUM, ENDDATE, DEBIT, CREDIT, TRANSACTION_DATE, EXPORTED, CALENDAR_YEAR, FISCAL_YEAR, PAYROLL_IDENTIFIER,
PAYROLL_NUMBER, [EARN-SEQNO], EVENT_SEQUENCE_NUMBER
FROM (SELECT *, ROW_NUMBER() OVER (PARTITION BY ID, ACCT, PAYROLL_NUMBER,EVENT_SEQUENCE_NUMBER
ORDER BY EVENT_SEQUENCE_NUMBER DESC) AS RN
FROM PAYROLLYEAREND ) s
WHERE RN = 1 AND ID = '16443' AND PAYROLL_NUMBER ='7'

In the above example, the EVENT_SEQUENCE_NUMBER is populated with values from 0 to 12. Could vary per user and PAYROLL_NUMBER. The query above returns 48 rows. However, all I want are the rows where EVENT_SEQUENCE_NUMBER is equal to the highest, which is in the above example is 12. The result would be 29 rows. The where clause is not part of overall query. Just isolating on one ID.

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Finding The Highest Or Largest Number In A Column Problem

Dec 19, 2006

Example data
CA1000
CA10001
CA10002
CA10003
CA11597
CA11603
CA1001
CA998
CA999
As you can see, CA11603 is the largest number in this list. 
 When I try the follow sql code,
SELECT
MAX([MyCode])
FROM
[MyTable]
WHERE (SUBSTRING([MyCode], 1, 2) = 'CA')
The largest number comes back as CA997
When I try
MAX([MyCode])
FROM
[MyTable]
WHERE [MyCode] LIKE 'CA%'
 The largest number comes back as CA997
 
SELECT
TOP 1 (SchoolMasterCode)
FROM
SchoolMaster
WHERE (SUBSTRING(SchoolMasterCode, 1, 2) = 'CA') ORDER BY Schoolmastercode
 The largest comes back as CA10001
When I try....
SELECT
TOP 1 (SchoolMasterCode)
FROM
SchoolMaster
WHERE (SUBSTRING(SchoolMasterCode, 1, 2) = 'CA')
 The largest comes back as CA1278
What am I doing wrong?

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Nov 3, 2004

Is there any method to find out the size of an image datatype currently in the database. For example I have 2 tables that contain the same image, but the archive table is not displaying the same as the main. I am thinking the image file was corrupted somehow but don't know how to check this out.
Any ideas?

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Jul 12, 2007

I'm designing a database that will not be that large (I would be surprised if it ever surpassed 50,000 rows across all tables), but will be accessed quite often, so I am doing my best to optimize its structure, such as doing 3NF, selecting appropriate data types, etc.

I have a few columns that will contain numeric data (such as an invoice number (from an external source) or location ID). However, one of my classes in college was about database design, and we were taught that if you won't be doing mathmatic computation on a field (such as the invoice or location fields I mentioned earlier), then you should use a string literal type (char, varchar, etc.)

Unfortunatly, the professor did not explain much as to why this should be done. From the standpoint of semantic analysis, these types of fields are probably more labels than they are numbers. However, I don't find that very convincing (or even helpful).

In short, my question is that given a column holding numeric data that isn't worked on in a mathematical sense, is it really better to mark it as a string literal than a number? Any articles or studies I can read relating to this?

I would think that comparisons would be faster with int, as well as data storage (though, as mentioned, that's not as big of a concern). Sadly, Google doesn't have many helpful resources. (Lots of stuff on char vs varchar, though.)

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Datatype Convert Char To Numeric

Dec 31, 2003

Hi,

I read the topic from JROdden and this case is similiar but...

I got several varchar fields with
values like
1.2
1.3
... these I can covert with
select CONVERT(dec(5,2), fieldname) as fieldname

In fact I also solved undefined- and NULL-values with.
CONVERT(decimal(12, 2), CASE WHEN GESCHKOSTMAX IS NULL OR
GESCHKOSTMAX < '0' THEN '0' ELSE GESCHKOSTMAX END) as GESCHKOSTMAX,

But now there are values like
1,4 and these ones neither CONVERT nor CAST will handle.

I tried the
SELECT DISTINCT KMPAUSCHALE
FROM extr_INTFIRMA
WHERE (isnumeric(KMPAUSCHALE) = 1)

and get
0,40
0.25
0.30 and so on...

The error is:
[Microsoft][ODBC SQL Driver][SQL Server]Error converting datatype varchar to decimal. (or float or numeric (whatever I tried))

I think the easiest way would be to insist on higher data quality but
I also would like to solve this interesting challenge.


Thanks for any hints

By the way, I followed rudys link to
http://rudy.ca/afdb.html
and now I know how I could protect myself !!!!

There must be a voice in my head saying:
Try the db-forum, try it and stay happy... ;-)

best regards and have fun with new year eve.

Michael

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Apr 9, 2007

Hi guys,
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May 3, 2015

ID A B C AVG
------------------------
1 08 09 10 -
------------------------
2 10 25 26 -
------------------------
3 09 15 16 -
------------------------

I want to calculate the average of the larges two number from the column A,B & C for particular identity and store that average in the AVG column....

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Oct 17, 2007

Hello,

I have to develop a package to get some data from a 10g Oracle database and load it to a SQL Server 2005 database.

In my design I used Oracle Provider for OledDB as my source provider following Microsoft recommendations found here : http://msdn2.microsoft.com/en-us/library/bb332055.aspx

As I have to use a parametrized query against my Oracle database I create a variable with my query that I override at runtime with a script task to update the parameters values.

One of the return column is of numeric datatype.

To handle this known issue with Oracle sources I edited through the advanced editor my Oledb source component to manually correct the precision.

Everything works fine with one of my package.

So I repeat the whole process while designing an other one with the same purposes.

As for the previous one I first unit test every components and everything works. But when running the full package it raised an error code 0x80004005 Error while validating post executing phase of the component (sorry for the poor translation from french to english ...)

I open my dataflow where the component is and found no warnings or errors. I edited through the advanced editor my Oledb source component and found that there's an error on the precision scale of the numeric return column. The message warn me that the precision must be between 1 and 38.
I checked this column and in the "OLE DB Source output / External Columns" the precision is 0 though I previously manually corrected it.
I upadted again for a 18 precision as it is for this column in "OLE DB Source output / Output Columns".
But it never keeps my changes ......

I delete the component and recreate it to force the metadata to be updated but always the same thing, the precision scale for this column in the "OLE DB Source output / External Columns" never keeps my 18 value.

Does someone have any clues to help me ?

Thanks a lot.

Bertrand

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Dec 19, 2006

How do I set Precision and Scale in a calulated column?

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Thanks,

Scott

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Dec 19, 2006

What query should I run? 
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- Primary key
- Column Name
- Data Type
- Length
- Allow Null
- Default value
- Precision
- Scale
- Identity
- Identity Seed
- Identity Increment
- Row guid
 
Thanks a lot!

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Sep 25, 2001

Do anyone know how to find out programmatically is a particular column in
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Thanks,

Kurt

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Sep 25, 2001

Do anyone know how to find out programmatically is a particular column in
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Thanks,

Kurt

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Apr 25, 2007

Using VS05 Pro, VB, Sql Express...



For a DBConcurrency exception, is there a way to determine the Column(s) that triggered the excepction? The exception itself does not seem to contain the information. You could probably write a very complex method comparing

DataRowVersions

, to determine which value is different, but that seems overkill.



Thanks!

Bob

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Sep 28, 2001

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Any tips or trick would really be apreciated!

Kurt

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Mar 2, 2011

I need to determine if a value for a group of rows is the same or different and I am not sure where to begin. I am fairly new to writing T-Sql code. I am working with SQL Server 2005. This is a work assignment; I am not a student.

I have two tables: One for Course and another for CourseDays. As the Course table implies, it lists courses for a school. The CourseDays tables has a row for each day a course is held. For instance, one course maybe held on Monday, Wednesday, and Friday, so there would be three rows, one row for each day. A given course could be held in a different room for each day. I am trying to write a query that returns one row for each course, and if the room number is the same for each day the class is held, return that room number in the row, else return 'Various'.

Course table:
CourseID, Desc
1 English
2 History
3 Science

CourseDays table:
CourseID, Day, RoomID
1 M 320
1 W 445
1 F 680
2 T 123
2 Th 123
3 M 514
3 T 514
3 W 521
3 Th 901
3 F 521

Expected results:
CourseID, Desc, RoomID
1 English Various
2 History 123
3 Science Various

I simplified the example, as there are about 30 columns in the table and about half a million rows.

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May 5, 2008

Hi all,

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Is this a relatively easy thing to do and I'm just not finding the right built-in variable name, or does something more need to be done?

Thanks,
-Mike

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Jul 12, 2007

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May 20, 2004

Hello All,

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Jun 14, 2002

Using the following:

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returns

hl test
A PCM/RODRIGUEZ A PCM/
Y OPTOMETRY/VISUAL FIELD TESTSY OPTOMETRY/
W DENTAL/DUNDON W DENTAL/
Y LAB
Y PCM/NEMES F/U Y PCM/
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Apr 23, 2008

Hi All,

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How can achive this in SQL Server 2005?

Looking for a quick help.

Thanks a million,

Zee

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