Transact SQL :: Select Column By Ordinal Position
Apr 16, 2012
Is there any way to select columns by ordinal position rather than by name?
Something like
Select t.[1] as col1, t.[2] as col2
FROM table t
The question comes because of a very specific situation where I've got 2 databases that have exactly the same schema at a column/datatype level but the column names are different. There are a few other ways to skin the cat but I'm interested if it can be done this way - without a join to syscolumns.
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Jun 18, 2008
1 have a table with 74 colun.But due to some deletion i have the ordinal postions as
1
2
3
.
.
69
70
72
73
74
76
what i wants is to change the ordinal from 72 to 71,73 to 72,74 to 73,76 to 74
SELECT @field = 0, @maxfield = max(ORDINAL_POSITION) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = @TableName
-- handle insert case here
SELECT @field = min(ORDINAL_POSITION) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = @TableName and ORDINAL_POSITION > @field
SELECT @bit = (@field - 1 )% 8 + 1
SELECT @bit = power(2,@bit - 1)
SELECT @char = ((@field - 1) / 8) + 1
--IF substring(COLUMNS_UPDATED(),@char, 1) & @bit > 0 or @Type in ('I','D')
IF substring(COLUMNS_UPDATED(),@char, 1) & @bit > 0 or @Type in ('D') -- For the insertion case don't save the iserted data.
I needed it as i have a trigger whihc is adding value in a log table on update but due to this problem it fails for certain column
Trgger is solme thing like
WHILE @field < @maxfield
BEGIN
SELECT @field = min(ORDINAL_POSITION) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = @TableName and ORDINAL_POSITION > @field
SELECT @bit = (@field - 1 )% 8 + 1
SELECT @bit = power(2,@bit - 1)
SELECT @char = ((@field - 1) / 8) + 1
--IF substring(COLUMNS_UPDATED(),@char, 1) & @bit > 0 or @Type in ('I','D')
IF substring(COLUMNS_UPDATED(),@char, 1) & @bit > 0 or @Type in ('D') -- For the insertion case don't save the iserted data.
BEGIN
IF @Type not in ('I')
BEGIN
SELECT @fieldname = COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = @TableName and ORDINAL_POSITION = @field -1
--print('fieldname = '+@fieldname)
SELECT @sql = 'insert Audit (ActionTypeID, RowID, TableName, PK, FieldName, OldValue, NewValue, UpdateDate,UserID, UserName, UserType)'
SELECT @sql = @sql + ' select convert(bigint,' + @ActionTypeID + ')'
SELECT @sql = @sql + ',' + @RowID
SELECT @sql = @sql + ',''' + @TableName + ''''
SELECT @sql = @sql + ',' + @PKSelect
SELECT @sql = @sql + ',''' + @fieldname + ''''
SELECT @sql = @sql + ',convert(varchar(1000),d.' + @fieldname + ')'
SELECT @sql = @sql + ',convert(varchar(1000),i.' + @fieldname + ')'
SELECT @sql = @sql + ',''' + @UpdateDate + ''''
SELECT @sql = @sql + ',' + @UserID
SELECT @sql = @sql + ',''' + @UserName + ''''
SELECT @sql = @sql + ',''' + @UserType + ''''
SELECT @sql = @sql + ' from #ins i full outer join #del d'
SELECT @sql = @sql + @PKCols
SELECT @sql = @sql + ' where i.' + @fieldname + ' <> d.' + @fieldname
SELECT @sql = @sql + ' or (i.' + @fieldname + ' is null and d.' + @fieldname + ' is not null)'
SELECT @sql = @sql + ' or (i.' + @fieldname + ' is not null and d.' + @fieldname + ' is null)'
--print('@sq=====sdfdfsfsdf')--sha
--print(@sql)--sha
EXEC (@sql)
END
END
END
Kamran Shahid
Sr. Software Engineer(MCSD.Net)
www.netprosys.com
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Aug 30, 2007
Hi
I am having a problem in auditing the column data in tables.My requirement is i have write a trigger which is capable of auditing the columns which are going to be added in the future also with out using dynamic SQL.is there any way to do so.
I feel if i can get the column data based on ordinal position then it is possible.
Can any body suggest.
My set Up is like this
I have a base_table to be audited.
I have a Audit_spec table which contains name of the table and columns to be audited.
And Audit table which actually captures the table name,column name ,old value and new value.
I have to audit only those columns in the Audit_spec spec.
If schema changes(Like new column added) happens to base_table and I want that column to be audited.with out any changes to my trigger code i should handle the newly added column ..
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Jul 20, 2005
Is there a neat way to find an ordinal value from a table,for example the median or 95th percentile value in a column,without walking through the table in ascending or descendingorder?Thanks,Jim GeissmanCountrywide Home Loans
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Sep 1, 2015
I have a storeprocedure( sp_nthWorkingday) which return a calender date.
eg :
calendardate
9/9/2015
I wrote a dts script for displaying this date.Below is the code.
Function Main()
dim myConn
dim myRecordset
dim iRowCount
[code]....
But I am getting an error on execution.Error : item cannot be found in the collection to the requested name or ordinal
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Oct 27, 2006
Hi,
I need to access columns from a data flow by ordinal position in a script transformation (I'm parsing an excel file which has several rowsets across the page). The first problem I encountered is the generated BufferWrapper does not expose the columns collection (i.e. Input0Buffer(0) does not work) but I got around that by implementing my own ProcessInputs(InputId, Buffer) method instead of using the wrapper.
My problem now is that the column ordinals are in some random order (i.e. Column "F1" is ordinal 1 but Column "F2" is 243). Where in the object model can I map between the name and the ordinal - it's not jumping out at me?
Dave
PS Why is the script editor modal, it's frustrating having to switch between the Visual Studio environment and the VSA one.
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Jun 4, 2015
I have a table "PrintArea" with below table structure.
The Details column have " " separated data.
CREATE TABLE [dbo].[PrintArea](
[ID] [int] IDENTITY(1,1) NOT NULL,
[AccessDate] [datetime] NULL,
[IPAddress] [varchar](16) NULL,
[SerialNum] [varchar](256) NULL,
[Description] [varchar](256) NULL,
[Details] [varchar](2048) NULL,
)
This is how the data lookis like.
INSERT [dbo].[PrintArea] ([ID], [AccessDate], [IPAddress], [SerialNum], [Description], [Details]) VALUES (104280, CAST(0x0000A28A00A88310 AS DateTime), N'70.89.39.161', N'InSign-f529c824-85a6-4a64-8c59-e9f786d718f3-YM2AS31367,BFEBFBFF000306A9', N'Printing', N'Headboard_Insert_4
1
1
7938
5579
[Code] ...
I want to calculate totalAreaPrinted based on below formula from Details column.
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May 19, 2015
i dont't know how to select row with max column value group by another column. I have T-SQL
CREATE PROC GET_USER AS
BEGIN
SELECT T.USER_ID ,MAX(T.START_DATE) AS [Max First Start Date] ,
MAX(T.[Second Start Date]) AS [Max Second Start Date],
T.PC_GRADE,T.FULL_NAME,T.COST_CENTER,T.TYPE_PERSON_NAME,T.TRANSACTION_NAME,T.DEPARTMENT_NAME ,T.BU_NAME,T.BRANCH_NAME,T.POSITION_NAME
FROM (
[code]....
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Aug 4, 2015
I built the following query to add the position of a record based on a certain date of the transaction of a customer:
select
CustomerID
, Product
, purchasedate
[code]....
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Jul 20, 2005
Hi there, it has been a while since i have posted. I am in asituation where I am stumped. I am learning to build a dts packagewhere I am connecting to a table in an AS400. This database is beingmaintained by an outsourced company and therefore I can't change thetable structure or even ask them to. Anyway, this table currently hasabout 104,000 records. I am building a package to check it and pullout the most recent records and put them where they go in my SQLServer 2000 tables. The only way I can think of to get the mostrecent records is to use a global variable in the package to rememberthe record count and then get those records from that record positionon. Problem is, I have no idea how I would go about selecting recordsfrom a record position. Does anybody have any ideas or should I beusing a different approach? There are no time stamps to work from. Iwas told that the AS400 records, including updates, are appended tothe table, which is why I thought this approach made sense. I wouldtruly appreciate any help.
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Jul 4, 2015
I have a table called names (firstname, lastname, number) then i have a DECLARED variable called @displaynum...If @displaynum id true my select query should select the number column. if the variable is false , only the first two columns are selected.
e.g @displaynum = true
@displaynum = false
Firstname | Lastname | number Firstname | Lastnam
blah | blah | 12345
blah | blah
i am not sure if this is possible as a case still selects the column but just changes the values.
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Aug 12, 2015
I want to add a custom column in a select statement that has a value to true or false based on other criteria.
SELECT [ID], [Name], [Description], [EmpID], [Employed] FROM [Employees]
Now, in the above example there is no [Employed] Column in my table but I want it to show true or false based on whether or not [EmpID] equals a certain value.
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Sep 15, 2015
I have a table with number and varchar columns. The last insert statement has 1 inserted.
The select statement should retrieve
a b
1 1
CREATE TABLE [dbo].[test1](
[a] [int] NULL,
[b] [varchar](10) NULL
) ON [PRIMARY]
insert into test1 values (1,'a')
insert into test1 values (2,'b')
insert into test1 values (4,'d')
insert into test1 values (12,'x')
insert into test1 values (15,NULL)
insert into test1 values (1,1)
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Jul 26, 2007
There are about 500 tables in one particular datbase. There are
foreign keys set on most of the tables. I want to change the position
of the primary key column in all those tables. How can I do that
programatically?
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May 26, 2008
HI All,
can we interchange the column position in sql.
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Jul 20, 2005
What is a good method/mechanism to swap the position of multiplecolumns?For instance, tblXZY has the followings columns and respectivepositions:tblXZY======xyzUUID 1fn 2ln 3phone 4email 5city 6state 7....Now, I need to make city as 2 and state as 3. BTW, the tblXYZ tablehas data there. Copy/select all the data into a new table withdesired column position would require constraints re-mapping etc.,which seems quite a bit hassle.Thanks.
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Dec 12, 2007
What is the SQL for adding a column at specific location?
eg
TableA
colA
colB
I want to add colC after colA.
Thanks,
Max
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Jun 8, 2015
I have the following two tables...
tblServer
-serverID
-serverName
-serverLocation
tblSite
-siteID
-serverID
-siteName
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I need to write a select query that gets the values of all columns but only returns unique sites because some sites are load balanced across several servers and where this is the case I don't want the site to appear multiple times in the list.
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Aug 1, 2015
i have table that has rows as below
DECLARE @Table TABLE
(minv_code INT,
alert_msg varchar(10),
alert_time Datetime)
[code]...
i want to select the data priority wise. the o/p should look like
e.g first row - 873939, 'Meter', '7/24/2015 3:31:22'
second row - 873939, 'Tamper', '7/24/2015 3:30:00'
third row - 873939, 'Reverse', '7/24/2015 3:31:18'
fourth row -873940, 'Tamper', '7/24/2015 3:31:22'
fifth row - 873940, 'Reverse', '7/24/2015 3:30:00'
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Jun 1, 2007
I created SQL table follow by XSD fileAnd when any users added new column to XSD in ordinal position = 3 But after my program successfully created new column, its position is the last position What can I do ???? I suspect why I can't set it (I've looked for solution on MSDN already)even though We can see ordinal position bythis query SELECT *FROM INFORMATION_SCHEMA.Columns What can I do for solving ???? Help me please
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Dec 16, 2004
We have a little app to help us move applications from developent --> stage --> production. It uploads the files, runs the new stored procedures etc.
One of the things it does is create new columns in existing tables. In EM you can create a new column in any position, but ALTER TABLE seems to only add columns to the end of the table. Is there a way in TSQL to create columns in arbitrary positions in the table? Or do I have to recreate the whole table?
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Jun 17, 2015
I have a SQL query like this
select CurrencyCode,TransactionCode,TransactionAmount,COUNT(TransactionCode) as [No. Of Trans] from TransactionDetails where CAST(CurrentTime as date)=CAST(GETDATE()as date) group by TransactionCode, CurrencyCode,TransactionAmount order by CurrencyCode
As per this query I got the result like this
CurrencyCode TransactionCode TransactionAmount No.OfTrans
AED BNT 1 1
AED BNT 12 1
AED SCN 1 1
AED SNT 1 3
[Code] ....
But I wish to grt result as
CurrencyCode TransactionCode TransactionAmount No.OfTrans
AED BNT 13 2
AED SCN 1 1
AED SNT 11 7
AFN BPC 8 6
[Code] ....
I also tried this
select CurrencyCode,TransactionCode,TransactionAmount,COUNT(TransactionCode) as [No. Of Trans]
from TransactionDetails where CAST(CurrentTime as date)=CAST(GETDATE()as date)
group by TransactionCode order by CurrencyCode
But of course this codes gives an error, but how can I get my desired result??
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Nov 26, 2015
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WHERE CUSTOMER_ORDER.SITE_ID = 'XXX' AND CUSTOMER_ORDER.STATUS = ('R','H','F')
I know I'm missing something....
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Dec 12, 2007
Hello!
Is there a function that gets the name of a column and a string as arguments and returns the position of this string in the column given?
Thank you in advance.
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Oct 22, 2015
I had to enable identity_insert on a bunch of tables and I have already done that. Now I need to modify my insert into select * from statements to include column list names along with identity columns for select as well as insert statements. The DDL is same but they are both different databases.There are almost 100 tables that it needs to be modified. Is there a way we can generate scripts for insert and select for each individual table along with their column lists including the identity column?
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Feb 26, 2008
I have a Stacked Column graph and when we set the Position of the Point Label to be "Top Center", the Point Label always stays in the center of that particular Bar.
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May 23, 2015
I need to select specific values from all rows where the value of a specific column is "Active"
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Aug 31, 2015
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SELECT*
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May 9, 2015
I have a column colC in a table myTable that has a value (e.g. '0X'). The position of a non-zero character in column colC refers to the ordinal position of another column in the table myTable (in the aforementioned example, colB).
To get a column name (i.e., colA or colB) from table myTable, I can join ("ON cte.pos = cn.ORDINAL_POSITION") to INFORMATION_SCHEMA.COLUMNS for that table catalog, schema and name. But I want to show the value of what is in that column (e.g., 'ABC'), not just the name. Hoping for:
COLUMN_NAME Value
----------- -----
colB 123
colA XYZ
I've tried dynamic SQL to no success, probably not executing the concept correctly...
Below is what I have:
CREATE TABLE myTable (colA VARCHAR(3), colB VARCHAR(3), colC VARCHAR(3))
INSERT INTO myTable (colA, colB, colC) VALUES ('ABC', '123', '0X')
INSERT INTO myTable (colA, colB, colC) VALUES ('XYZ', '789', 'X0')
;WITH cte AS
(
SELECT CAST(PATINDEX('%[^0]%', colC) AS SMALLINT) pos, STUFF(colC, 1, PATINDEX('%[^0]%', colC), '') colC
[Code] ....
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Aug 29, 2006
Hi guys,
How to produce ordinal numbers in sql query?
Say I have a table for a Building. My floor numbers are intergers, 1,2,3,4 and so on. When I run the query, the result I need is like this:
1st
2nd
3rd
4th
5th
...
23rd
....
How will I do this?
Thank you.
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Jan 13, 2006
I would like to add a field to a query that returns an ordinal number indicating which row of the results it is. Anybuddy know how?
eg. 1,2,3,4,5,6,7....
Thanks,
Carl
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Apr 24, 2006
Dear all
I've received the following error on the startup of SQL SERVER. Repeating the error when trying to start Service Manager.
sqlmangr.exe : The ordinal 29 could not be located in the dynamic link library odbcbcp.dll
Can someone help me to solve it
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Aug 3, 2015
How can I calculate a DateTime column by merging values from a Date column and only the time part of a DateTime column?
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