Precision And User Defined Types ...
Oct 9, 2007
I have a UserDefinedType that is Decimal(21,6)
The fields fltValorPendente e fltTotal are of this type. Field intSinal is an Integer.
I execute the following query:
SELECT
(intSinal * fltValorPendente) / fltTotal as Coef,
cast((intSinal * fltValorPendente) as decimal(21,6)) / fltTotal as CoefCast
into tmp
FROM tbl
Where fltTotal<>0
As a result, table tmp is created with the following structure:
CREATE TABLE [dbo].[tmp](
[Coef] [decimal](38, 6) NULL,
[CoefCast] [decimal](38, 17) NULL
) ON [PRIMARY]
How come both fields don't get the same precision?
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Jan 16, 2008
I've been doing some reading on UDT's and have a question...
It was suggested in one of the pieces I read that you could create a UDT for, in their example, cities. And every table that had a reference to city could share this datatype. Now, my initial thought was "wow, what a great idea! I wouldn't have to remember the exact datatype for my primary keys (was it a char(5) or char(6)?) and have a "central depository" for my key datatypes.
So the first question is; what are the disadvantages of such a design?
And the second is; How do you update a UDT? If business requirements change and udt_city needs to be changed from varchar(30) to varchar(60), for example, what would be the way of echoing the change thoughout your database?
My gut reaction for the answers are
1) performance will decrease as effectively the dbms has to "parse" every insert/update to a UDT field in a different method.
2) create a new udt and alter any tables referencing the old one before dropping it.
What do we think?
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Sep 8, 2005
Iam trying to create a geo-database.
For that i need to have a spatial data type called polygon which takes in values as int. so it can be declared as:
POLYGON(0 0, 100 0, 100 100, 0 100, 0 0)
How do i do that.
plz help.
---
Iam not real any more
Iam just an Illusion
---
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Apr 13, 2006
Hi!
I have a question about creating a user defined type: I'd like to create a table of employee objects which include objects of the type employee_t. I used this structure before in Oracle 9i and would like to know how it can be done with MS SQL Server 2000 or 2005, preferably with Enteprise Manager/Management Studio. Below is an example.
CREATE TYPE employee_t AS OBJECT (
name VARCHAR(10)
jobDesc VARCHAR(15)
...
)
CREATE TABLE Employee of employee_t
Regards,
Timo
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Jun 14, 2007
I have a very simple SQL Server 2005 database, nothing fancy except that I use user-defined types (e.g., udt_Name = varchar(20)). I just set up a login for my first user, using Windows authentication, and gave her the following database access:
default schema = dbo
role = db_datareader
role = db_datawriter
Using SQL Server Management Studio, she can open any table; however, every column that is defined with a user-defined type appears with generic column headings (Expr1, Expr2 etc). And when she opens a table in design view, all columns with user-defined types have their Data Type field listed as "invalid type" rather than, say "udt_Name:varchar(20)". I browsed to the "User-defined Data Types" entry in Object Explorer, and it was empty.
In other words, it appears that she is unable to access the user-defined type aliases, even though she has read/write access to the database. As a very temporary work-around, I gave her membership in the database role "db_owner", but this is obviously not an ideal solution.
User-defined types are a great organizing tool and I don't want to have to redefine all my tables without them. What are my options?
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Nov 14, 2006
Hi there
Can we have user defined data types in SSIS???
Thanks and Regards
Rahul Kumar
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Aug 24, 2000
Is there a way to change the physical mapping of a user defined data type to the physical SQL Server datatype. It seems that once you create them, it is just about impossible to change it.
Thanks,
Andrew Abrams
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Oct 30, 2003
This is part of the codes of a stored procedure:
-- Create tables variables
DECLARE @_tab_PRNumList TABLE(
PRNum udt_PRNum
)
However, it cannot be compiled coz of this error:
Error 2715: Column or parameter #1: Cannot find data type udt_PRNum.
This user-defined data type is created in a user database only.
I tried to created the user-defined type into BOTH tempdb and master but same error.
How can i resolove it?
Or it is impossible to use user-defined datatype for table variable?
In the past,
i use this method:
CREATE TABLE #PRNumList (
PRNum udt_PRNum
)
and cerate udt_PRNum in tempdb only could solve it.
But now i want to use table variable.
It seems NOT work for my situation.
Any idea?
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Jul 23, 2005
How can you tell which datatypes in a given database are user defined(with a query, not by looking in Enterprise Manager)? This is for SQLServer 2000.
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Jul 8, 2006
Hi all,I defined unsigned_int in my database, which uses unsigned_int_rangerule. The unsigned_int_range rule is defined as follows:@unsigned_int >=0 and @unsigned_int <=4294967295(4294967295 = 0xFFFFFFFF)The storage size is 4 bytes.One of the tables in the database contains a field that is of typeunsigned_int.When I try to add a new record into the table (ex: using the EnterpriseManager), it always fails in the unsigned_int field if I enter a valuegreater than 2147483647 (which is 0x7FFFFFFF) all the way to 4294967295(0xFFFFFFFF). The Enterprise Manager shows the following message:"The value you entered is not consistent with the data type orlength of the column, or over grid buffer limit."What is wrong here? The 4-byte storage should be good for any valuefrom 0 to 4294967295.Any help is appreciated.Thanks,Ken
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Aug 24, 2006
Hi,
I'm wondering, why CLR user-defined-types are case-sensitive in T-SQL?
When I create an udt with vb.net, e.g. udtPoint with properties X and Y and a method ToString(), I have to write udtPoint.X ..., udtPoint.x would raise an error. udtPoint.tostring() isn't working, too.
I like vb, because you don't have to remember whether syntax is upper or lower case. Same is with T-SQL, there's no difference between select * from table and Select * FROM Table. Intellisense would by great, but is not yet implemented .
I'd like to put this topic under suggestions (in my opinon it's a bug), what do you think about it?
Many thanks for your answers!
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Dec 24, 2006
Hi!
I'm need to use typed Dataset with CLR UDT, but when I'm trying to create TableAdapter in Dataset designer, I'm gettng error message: User-defined data types are not supported in DataSet designer
Is any way to get it working?
My UDT defined in separate assembly as:
[Serializable]
[XmlRoot(Namespace = NS)]
[StructLayout(LayoutKind.Sequential)]
[SqlUserDefinedType(Format.Native, Name = DataType, IsByteOrdered = true, ValidationMethodName = "Validate")]
public struct Coordinate
: INullable,
IXmlSerializable
{
.....
}
Working environment: Visual Studio 2005 SP1, MS SQL 2005 SP1 + Hotfix.
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Mar 4, 2008
I have somw tables like Product, Sales, Customer.
I used UDTs like ProductCode = nvarchar(30)
CustomerCode= nvarchar(15)
How can I modify my UDTs ?Is there any quick way for that ?
****
Thanks.
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Mar 13, 2001
I have defined a user defined data type. When I try to create a stored procedure specifying the column and user define data tpye I receive message
Server: Msg 2715, Level 16, State 3, Procedure spStoredproc, Line 0
Column or parameter #1: Cannot find data type udtcol1.
Server: Msg 2715, Level 16, State 1, Procedure spStoredproc, Line 0
Column or parameter #2: Cannot find data type udtcol2.
Server: Msg 2715, Level 16, State 1, Procedure spStoredproc, Line 0
Column or parameter #3: Cannot find data type udtcol3
Can you have user defined data types in stored procedures.
Store Procedure creation text
CREATE PROCEDURE spStoredproc
@col1 udtcol1,
@col2 udtcol2,
@col3 udtcol3
AS
INSERT INTO tblTempEmployee
(col1 , col2 , Col3)
VALUES (@col1 , @col2, @col3)
GO
SET QUOTED_IDENTIFIER OFF SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER OFF SET ANSI_NULLS OFF
GO
Dave
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Jan 11, 2006
Hello is there a way to change the owner of a user defined data type in sql2000? If so help is appreciated
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May 10, 2006
Hello,
Does anybody know an easy way to change User Defined Data Types ownership to “dbo”, without dropping dependent objects?
I know that there is a st. proc sp_changeobject owner, but it does not deal with this particular db objects. Is there a similar st.procedure or script that would do the same operation?
Thank you
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May 14, 2008
We have a database that originally had all objects owned by a vendor id. We are in the process of changing the ownership to 'dbo' and wish to remove the vendor id but have found there are a few user defined datatypes that are also owned by this vendor id. How can I change the ownership of them to 'dbo'? They are currently being used in some of the tables. I tried the sp_changeobjectowner but that doesn't work for these.
thanks for any advice!
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Jun 10, 2006
Why is there a limit of 8000 bytes on CLR Extension user defined types in SQl Server 2005?
We now have varchar(max), varbinary(max) and XML data types that are unlimited in size, byt UDT's are limited to 8000 bytes!.
This limitation is ruining a key project of mine!
Any ideas that MS may lift this limit?
Regards
Derek
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Nov 27, 2015
I have a table RequestUtility with 3 columns Vendor, name, system. I want to call this table from BizTalk so that I send multiple vendors and will get corresponding Vendor, name and system for that. As I need to send multiple vendors at the same time I have created a User-Defined Table type VendorNames with a single column Names. and have written a SP :
ALTER PROCEDURE [dbo].[GetName]
 -- Add the parameters for the stored procedure here
 @vendorN VendorNames ReadOnly
AS
 -- SET NOCOUNT ON added to prevent extra result sets from
 -- interfering with SELECT statements.
 SET NOCOUNT ON;
   -- Select statements for procedure here
 SELECT * from dbo.RequestUtility where Vendor IN (SELECT Names from @vendorN)
This is working fine when the value for vendor is present in the table. But if the value is not present it is not returning any thing. But, my requirement is that for example vendor is Dummy which is not present in the table so it should return
Vendor  Name System
Dummy NULL  NULL
But currently it is not returning anything.
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Jun 5, 2015
I have a requirement of creating nested tables in SQL server. how to create them. Just to give a background I am trying to move the RDBMS from oracle to SQL server.
Structure of tables is as follows. I have table 'Employees' with address as one of the column. I have one more table with columns Street, Town, Dist, State. When I query the table 'Employees' I should see the attribute name and values of all the columns in address table in address column.
Employees: with columns: ID, FirstName, LastName, dept, gender, dob, address
Address (Nested table): with columns : Street, Town, Dist, State
This was done in oracle using Nested tables and user defined data types. what is alternative for this in SQL server. How can I achive this requirement in SQL server.
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Nov 4, 2015
Change structure of a User Defined Table Types
     field
([idConteudo] [int]
NULL)     to    Â
 ([idConteudo] [BigInt]
NULL)
Or really should drop and create again?
CREATE TYPE [dbo].[tbProjeto] AS TABLE(
[dsConteudo] [varchar](64) NOT NULL,
[idConteudo] [int] NULL,
[dtConteudo] [datetime] NULL DEFAULT (getdate())
)
GO
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Aug 25, 2014
T-SQL script for the following request ?
Generate script for view dependencies of user defined table types ?
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Apr 9, 2008
I'm trying to import some data from an Excel 2007 file into a SQL table. I created the Source Connection Manager and an OLE DB Source Data Flow Component which uses it. (Correct me if I'm wrong, but I can't use the Excel Source because of the version of Excel the file is saved in.) The outgoing Data Flow Path thinks some of the fields being imported should be of type float, when in fact they have alpha characters in them.
The fields in the database are defined as varchars.
A Data Conversion Transform doesn't seem right because I need the data to come out of the source as string data (which it actually is in the Excel file). Even if I convert it to string on the way to the destination, I would still be missing the original alpha characters.
How/Where do I change it (Source Connect Manager, OLE DB Source Data Flow Component, something else) to correctly identify the field's type?
TIA,
Christy
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Jul 3, 2007
This question is around how we can get the data types and lengths populated into the flat file source columns.
In Connection Manager, you have your flat file defined. You can choose "Suggest Types...", and the minimum lengths and correct data types will be returned from within the data in the flat file.
Is there some way to automate this data type definition, but coming from the other direction (coming from the destination table that we are loading)?
For example, you have mapped the columns that will be loaded. Can you then reverse engineer the data types and lengths for the columns in the flat file from the destination table?
TIA
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Apr 2, 2008
hai,
how can i identify the function is user defined or the system defined function....................
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Jan 26, 2000
Our server has integrated security setup, upon startup of the server,
we have a continuous flow of error msg:
Login Failed: Reason: User '_' not defined as a valid user of trusted
connection.
The timing of these messages only around 30 seconds apart
The only incident from Technet I can find is Q186314, but we don't have replication setup, anyone knows where I can look into ?
I recycle the server but didn't help.
I appreciate any help I can get ..
Thanks.
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Apr 5, 1999
Hi,
i'm a newbie in SQL. I can't connect to SQL 6.5 server using ASP ADO. Below is the program code
<%
set conn=server.createobject("adodb.connection")
conn.open "dsn=Central;uid=sa;pwd="
%>
An error message appears
Login failed- User: Reason: Not defined as a valid user of a trusted SQL Server connection.
I've already created a ODBC System DSN named Central
parameter Server Local and used Trusted connection checked.
Then under sql Manager there is a sa with a blank password.
Please help.
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Jan 10, 2007
I have a UDF that takes my input and returns the next valid business day date. My valid date excludes weekends and holidays.
It works perfect except for one issue. It doesn't check to see if today's date is a holiday.
I pass a query to sql server like so " select dbo.getstartdate('01/ 10/2007',2)"
It then moves ahead two business days and returns that date.
Here is the current code. Hopefully someone can tell me how to do the holiday check on the current date.
I really don't want to rewrite the whole script .
Code---------------------------------------------------------
SET QUOTED_IDENTIFIER OFF GOSET ANSI_NULLS OFF GO
--DROP FUNCTION GetStartDate
--declare function receiving two parameters ---the date we start counting and the number of business days
CREATE FUNCTION GetStartDate (@startdate datetime, @days int) RETURNS datetimeASBEGIN
--declare a counter to keep track of how many days are passingdeclare @counter int
/*Check your business rules. If 4 business days means you count starting tomorrow, set counter to 0. If you start counting today, set counter to 1*/set @counter = 1
--declare a variable to hold the ending datedeclare @enddate datetime
--set the end date to the start date. we'll be -- incrementing it for each passing business dayset @enddate = @startdate
/*Start your loop.While your counter (which was set to 1), is less than or equal to the number of business days increment your end date*/WHILE @counter <= @days
BEGIN
--for each day, we'll add one to the end dateset @enddate = DATEADD(dd, 1, @enddate)
--If the day is between 2 and 6 (meaning it's a week --day and the day is not in the holiday table, we'll --increment the counter IF (DATEPART(dw, @enddate) between 2 and 6) AND (@enddate not in ( select HolidayDate from tFederalHoliday where [HolidayYear] = datepart(yyyy,@enddate) ) ) BEGIN set @counter = @counter + 1 END
--end the while loopEND
--return the end dateRETURN @enddate
--end the functionEND
GOSET QUOTED_IDENTIFIER OFF GOSET ANSI_NULLS ON GO
---------------------------------------------------------------------------------------------
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Aug 22, 2007
I've a view in which one of the fields were DATEDIFF(day,contract date,received) AS AgeOfAccount. I changed it to DATEDIFF(day, m.received, CASE WHEN m.clidlp > m.clidlc THEN m.clidlp ELSE m.clidlc END) * - 1 AS AgeOfAccount. When I execute the view I'm getting an error. But the results are getting displayed properly. That's what's puzzling me. Could someone tell me what the error is.
The following errors were encountered while parsing the contents of the sql pane.
Your entry cannot be converted to a valid date time value.
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Sep 3, 2004
Hi,
I have a search returning many 'car' records (regno, mileage, color, etc)
In a seperate table I have two columns: accessory and regno. This can have many rows for each regnumber.
Within the storedprocedure that returns the 'car' records I need to also return the relevant accessories for that car as one column.
I have written a function as such (with some help!):
ALTER Function getAccs(@regNo varChar(20))
RETURNS varChar
AS
BEGIN
Declare @List varchar(1000)
SELECT @List = COALESCE(@List + ', ', '') + accessory
FROM frxrep2.dbo.usedaccessories WHERE regnumber = @regno
return @List
END
I was hoping that I could simply use this in the 'car' SELECT statement.
ie:
SELECT regNo, color, mileage, dob.getAccs(regno) as AccessoryList
FROM tableBla etc
I'm not even sure if the function works - How can I test in SQL analyzer?
any help much appreciated,
Pete
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Aug 17, 2005
Hi everyone,
I am tring to pass acomma delimited string to a function and this function is parsing the string so that I can see individual values so for example I am passing 1,2,3,4,5 as a parameter to my function and I am parsing this string so that I can write something like this
Select * from tableA where userID in(1,2,3,4)
It is working fine. Only problem is if the user passes word 'all' instead of 1,2,3,4 then I have to doSelect * from tableA
My function looks like this. How can I modify this function if I pass 'all' as a paramater. Any help will be appreciated.CREATE FUNCTION [dbo].[ParseText2File] (@p_text varchar(4000), @p_Delimeter char(1))
RETURNS @results TABLE (id varchar(100))
AS
BEGIN
declare @i1 varchar(200)
declare @i2 varchar(200)
declare @tempResults Table (id varchar(100))
while len(@p_text) > 0 and charindex
(@p_Delimeter, @p_text) <> 0
begin
select @i1 = left(@p_text, charindex(@p_Delimeter, @p_text) - 1)
insert @tempResults select @i1
select @p_text = right(@p_text, len(@p_text) - charindex(@p_Delimeter,@p_text))
end
insert @tempResults select @p_text
insert @results
select *
from @tempResults
return
END
Thanks
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Oct 11, 2000
Hi,
I know that we cannot have User Defined Functions in SQL 7.0, but is there a work around. I am trying to standardize the date according to the time zone using a function and use it as part of a select statement.
I cannot believe that is not possible in SQL 7.0, can somebody tell me what is the work around, I am running against time. I really appreciate any help on this one.
Satish.
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Dec 14, 1999
How can I create a user defined function in SQL and call it inline from a SQL statement? I need the ability to execute a statement such as:
select myFunc(x,y) from table
I need myFunc(x,y) to return a value, not a recordset and use that value in the select statement. Any and all ideas would be appreciated.
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