Replace Column With A Calculated Column
Sep 12, 2007
Hello Everyone,
I'm a newbie to SSIS. While experimenting with it I've encountered an issue which I'm hoping someone of you could help me out with. I have need to make a specific transformation which as output would have to produce rows with a new calculated column that replaces single column from input. New column has different data type than input column it is replacing. I've used Derived Column Transformation (DER) to do the first part of the work - appending new column and calculating its value (based solely on value from single original column that has to be replaced). Question is how should I do second part, task of removing no longer needed column from the pipeline? I've tried in DER instead of Derived Column being added as new column, selecting Replace 'column' but as it seems it is meant to replace only column data and not column data type (what I've expected). I've also tried using Copy Column Transformation (CPYC) but as it turns out CPYC transformation just (logically) duplicates data in the pipeline with optional different allias.
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Oct 12, 2015
I am trying to create a whole number DAX calculated column that is derived from a date column. Basically it gets the date from the source data column and outputs it as an integer in the YYYYMMDD format.So 01/OCT/2015 would become --> 20151001...I've been fidgeting with DAX but my problem is that I keep missing the leading zeroes for months and days. So 01/March/2015 becomes 201531 which is not what I want (I need 20150301 in this case).
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Jun 24, 2014
I have a script that loops through a series of tables to send data to a table from each of the tables. My issue is that not all tables have the columns I need in them. What I would like is to replace the column with another column when it does not exist. Something like below
Select Misisng_Column(A.Name, replace with B.Name) as Name
FROM SomeTable A
Cross Join (Select Name FROM AnotherTable) B
AnotherTable has one record in it. To avoid a Cartesian issue. Like I said just an example
In my real script the table aliased as A is from a list of tables in a sys.tables query that loops through to the end.
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Jan 1, 2008
I have a location table with columns for [state tax rate], [local tax rate] and a bit column for each to indicate if it is active. From this I need to calculate a total tax percentage; i.e.(state tax rate * bit) +(local tax rate * bit). If I want to stay at the database with this I can identify three alternatives (I'm sure there are more):
1. Calculated column
2. Table Variable (or Temp. Table)
3. View
I'm interested in feedback as to which of these methods is more appropriate or if there is a better way I haven't identified.
Thanks
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Jan 29, 2007
Ok I have three columns in my database that deal with ratings of individual ads. One is called totalrating, one is totalvotes, and one is averagerating. TotalRating gets incremented with the rating and totalvotes is incremented by one when someone votes. Then averagerating is a calculated column which divides the totalrating by the totalvotes. The problem is unless I manually set totalrating and totalvotes to 0, the stored procedure does not work. They both remain null. I tried to set the default value for each column to 0, which visual studio changed to ((0)). Maybe I am doing this wrong. If someone could help me I would really appreciate it. Thanks so much. Dave Roda
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Sep 19, 2005
Hi,I'm struggling to get a calculated column to work in sql, the fields to be calculated are:[AdRevenue_a] money[Admissions_a] int[DoorPrice_a] smallmoney[DoorSplit_a] moneyAnd the calculation I require is:(AdRevenue_a / ( (Admissions_a * DoorPrice_a) - DoorSplit_a )) * 100This is what I think it should be but it doesn't work...convert(decimal(6,2), ((AdRevenue_a / ((Admissions_a * DoorPrice_a) - DoorSplit_a))*100) ))Any suggestions??
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Apr 21, 2008
*first issue
how to add a calculated column in a view such that this calculated column will be calculated from the oraginal columns
create view vw1
as
select tab.col1,tab.col2 from
from tab
and i want to add a column that contains the result of a comparison between col1 and col2 (col1<col2) such that the values of the column will be true,false
thanx
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Oct 3, 2013
I am attempting to create an SQL statement that will query a file and give me amount totals by company number/customer number. The totals have to be combined into 4 groups (1/2/3/4) for each amount total in company number/customer number combination. In effect it will look something like this:
COMPANY | CUSTOMER | SORT | AMOUNT
==================================
00001 | 11111 | 1 | $55
00001 | 11111 | 2 | $12
00001 | 11111 | 3 | $19
00001 | 11111 | 4 | $ 0
00001 | 22222 | 1 | $99
00001 | 22222 | 2 | $53
...and so on.
I HAVE THIS PART WORKING ALREADY. The problem is that I am trying to exclude the rows that have 0 (zero) in the amount column from showing up in the output. The amount is a calculated field of all the invoice for that company number/customer number combination for that sort (eg: Company 00001/Customer 11111/Sort 1 has $55 associated to it). I cannot use the calculated field in my where clause.
I will include a simplified version of my select statement so you can see how I got as far as I have and where to go so I pretty much say "WHERE SUM(SubTBL.Amount) <> 0".
----SELECT STATEMENT-----
SELECT
MainTBL.Cust#,
SUM(SubTBL.Amount) As TotAmt,
CASE
WHEN (days (currdate) - days (MainTBL.DateFLD)) <= 30 THEN '1'
WHEN (days (currdate) - days (MainTBL.DateFLD)) BETWEEN 31 AND 60 THEN '2'
WHEN (days (currdate) - days (MainTBL.DateFLD)) BETWEEN 61 AND 90 THEN '3'
WHEN (days (currdate) - days (MainTBL.DateFLD))> 90 THEN '4'
[code]....
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Mar 29, 2007
I have calculated column which is referenced by function and I need to alter the function. How can I disable the calculated column so I am able to modify the function?
..................................................................
I have orders table and I need to disable the calculated column OrderDate so I may able to modify the function dbo.udfTicksToDateTime.
CREATE TABLE Orders (
OrderDateAsTicks BIGINT,
OrderDate AS dbo.udfTicksToDateTime(OrderDateAsTicks)
)
Thanks
Sanjeev
Cleveland
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Mar 28, 2008
Hi,
I'm writing a query that calculates values for each id, then I need to sum up all the values for each id and put them in another field, here is what I wrote but SQL cannot understand the column that I calculeted
select id,term_cd,
case when RIGHT(term_cd, 1) IN ('6') and substring(term_cd, 2,4) <= 2004) then '1'
when substring(term_cd, 2,4) <= 2004 and RIGHT(term_cd, 1) = 5 then '0.5'
else '1' end as term_count,
SUM(term_count) AS ttd_enrolled
group by id,term_cd
SQL gives me an error "invalid column name tern_count" in the line where I calculate the sum.
what's wrong with the query? or should I calculate the term_count in an inner query?
Appretiate your help
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Jul 6, 2006
Table: Names
Columns: Name_RID char(10)
Name_Type smallint
Name_Last char(50)
Name_First char(25)
Name_MI char
I have search for and see how to put the columns for the last, first mi together (Name_Last + ', ' + Name_First + ' ' + Name_MI) as Name
But how can I test the value of the Name_Type field to determine how the Name column looks
if Name_Type = 1 then
Name = (Name_Last + ', ' + Name_First + ' ' + Name_MI)
else
Name = Name_Last
The Name_Type represents Individual versus an Entity
0,ABC Pipeline,,
1,Williams, John,A
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Mar 12, 2015
I need to add a calculated column item in the same column. Please see SQL Codes for both existing data and desired outcome.
Product O is added according to:
for 201501 Product O= sum of en_count for product Y,W,N when yrmnth=201501
for 201502 Product O= sum of sum of en_count for product Y,W,N when yrmnth=20150
SQL:
--Existing Data
--===== If the test table already exists, drop it
IF OBJECT_ID('TempDB..#Table1') IS NOT NULL DROP TABLE #Table1
--===== Create the test table with
CREATE TABLE #Table1
(
product char(100),
yrmnth varchar(6),
en_count int,
[Code] ....
--Desired Outcome
IF OBJECT_ID('TempDB..#Table2') IS NOT NULL DROP TABLE #Table2
--===== Create the test table with
CREATE TABLE #Table2
(
product char(100),
yrmnth varchar(6),
[Code] ....
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Dec 10, 2013
I'm new to SQL Server and would like to add a calculated column to this query from the report writer in our ERP system based on the NextFreq case statement result.
Basically, I want to create a column called service with result as follows:
If IV.meter > NextFreq then the result should be 'OVERDUE'
If (NextFreq - IV.meter) <50 then the result should be 'DUE SOON'
Otherwise the result should be 'NOT DUE'
This is the code from the current report writer query:
Select IV.item, IV.meter, isnull(wt.name,0)as name, case when whh.meterstop is null then 0 end meterstop, whh.rejected, Case when cast(meterstop as int) > 0 then cast(meterstop as int) when meterstop is null then isnull(IV.meter,0) else isnull(IV.meter,0) end EndMeter, ISNULL(CAST(SUBSTRING(wt.name,1,4)as int),0) as LastFreq,
case when whh.rejected = 1 then ISNULL(CAST(SUBSTRING(wt.name,1,4)as int),0) when ISNULL(CAST(SUBSTRING(wt.name,1,4)as int),0) = 0 then 100 when ISNULL(CAST(SUBSTRING(wt.name,1,4)as int),0) = 100
[Code] ....
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Aug 21, 2015
Where we have increase the size of the calculated column in cube..whether in attribute or some where else...
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Oct 30, 2015
I have written a simple DAX calculated column formula using SEARCH and got an error: It tells the text "PWP" cannot be found but as you can see the screen shows this text exsist within "Promotional Claim"The same happens when I try FIND function.
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Oct 13, 2015
My simplistic data model looks like this:
Table.1
Spread Product Sales Channel ..
2 x CB ..
2 y CB …
4 x GFR ..
4 y GFR ..
I need a column with Spread Mapping, which should look like this:
->There are more columns in data model.
-> Spread for GFR is wrong so it must be mapped to be able to compare with CB
I guess there should be calculated column formula to calculate Spread Mapping. How to do it?
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Sep 25, 2007
Hi All,
I need to show the Cumulative calculated value only in Total by year/Group. I could not use Visibility expression using
InScope, as it creates *Blank column. Please go thru details below.
Year
Month01 02 03 Total
Salary Salary Salary Salary Cumulative (Calc)
Employee01 20 5 25 25
Employee02 10 10 20 45
.....
Total
How can i achieve this?. Any suggestion on this would be appreciated.
Thanks,
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Aug 14, 2012
I have two tables with the following structure:
Table 1
---------
id | Name
---------
1 | John
2 | Debbie
3 | Kim
4 | Mary
Table 2
---------
id | Name
---------
654 | John
415 | Debbie
68 | Kim
289 | Mary
Table 2 id's values are all messed up and I need to replace them so that they look exactly like in Table one, my guess is that query will have to replace value of "Id" based on the "Name" column, I hope I made myself clear.
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Nov 12, 2007
Hi,
I am trying to replace a string column with 'Y' or 'N' in my SSRS report. I tried the following expressions, but no one works for me.
=IIf(Fields!ExpectedWords.Value Is Null, 'Y', 'N')
=IIf(Fields!ExpectedWords.Value = '', 'Y', 'N')
=IIf(IsDBNull(Fields!ExpectedWords.Value), 'Y', 'N')
Would you please tell me what's wrong? Your suggestions would be appreciated.
Thanks alot.
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Jul 28, 2006
I've searched through this forum, and am extremely disappointed that something as simple as this can't be done without resorting to a script component (which I refuse to do):
I have a Lookup transformation that returns a GUID value -- or not, so I've configured its error output to ignore failure. That should leave a NULL in the output column, and I should be able to chain a Derived Column transformation that replaces the Lookup output column (e.g. foo) with an expression like:
isnull(foo) ? newid() : foo
But there's no newid() function! Who was the genius that decided SSIS should implement different expressions than Transact SQL? Is there a workaround, like (DT_GUID)GETDATE()?
Or do I have to craft a SQL statement in the Lookup that guarantees a non-NULL result?
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Jul 14, 2015
How to include a time difference column using 2 other date columns during creation of a table ?
The requirement is to create a table and include the following columns:
1.Downtime start date & time
2.Downtime end date & time
3.Downtime Duration in hh:mm (calculated date difference between column 1 and 2)
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Mar 21, 2007
I am trying to add a calculated field / column in Report Builder when working with a Report Model built from anAnalysis Services Cube. I can create the calculated Field/Columns, but I get an error whenever I try to use it in a report.
Is there a way to create a report builder calculated column on report models built from a SSAS cube? Is this supported?
Thanks,
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Jun 23, 2015
In a calculated column I am trying to get a scalar text value from a lookup to another table. This works quite well when getting numerical values with the following formula:
=MinX(Filter(LookUpTable;LookupTable[from]<=MySourceTable[Day] && LookupTable[to]>=MySourceTable[Day]);LookUpTable[numericalColumn])
But as soon as I substitute the numerical column by a string column, #error results.
I also want to mention that the above query yields only one row as a result. It should be simple to return the value of one of the columns but after searching for quite some time, I could not find any function for that.
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Jun 11, 2015
I want a report that displays selected year quantity sales and previous year sales quantity and their quantity difference.
i also want to display a chart like I added year to the series group but i don't know how to add difference to the series group.
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Mar 26, 2015
I have an update where I need to replace the first two numbers of a string with SF and remove the last number - e.g.:
029929229 >> SF992922
I have an update statement which works in Oracle, but I cannot get it to work in SQL Server. The statement is below:
UPDATE oraowner.ems_sam
SET sam_id = replace(sam_id,sam_id,'SF'||substr(sam_id, 3, length(sam_id) - 3));
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Mar 27, 2008
How do I improve a 3 column, composite clustered index on a large table when the developer insists there is no other way to achieve uniqueness? They say a uniqueindentifier column will not work.
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Feb 29, 2008
Hi, I was wondering if it is posible as in derived columns to replace an input column with the output one in Data Conversion?
What I can see that when a data conversion is done, only we can do it in a new column and not in the same one we are using as input.
Do you know if this it is posible?}
Thanks for your help!
Beli
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Jul 13, 2015
I am looking to add a column to one of my tables that displays a running rank of how many times a customer has ordered in a given period.
I currently have such a column however this column ranks against ALL of the orders that a customer has placed and ignores filters, whereas I need one that ranks based on the filters that are active at any given time.
The current formula is:
CustOrderCountPersistant=RANKX(FILTER('Q1 Data Set',[k1_customer_id]=EARLIER([k1_customer_id])),[order_id],[order_id],1,DENSE)
For example, if I am looking at a full years worth of data and a customer has placed 10 orders in that period this formula will add a 1 in the column for first order, a 2 for the second and so forth all the way to 10, the last order.
However it will give me exactly the same results if I filter the data to just one month of that year where they may have order only 2 orders.
In this scenario I want to have another column with a table that is filter sensitive and would show 1 for the first order and 2 for the second order.
Now, I do understand that the issue here is probably the FILTER() I have on as, if I understand correctly, that means all other filters are ignored. My attempts at reworking the formula to remove this have been unsuccessful (such as using a CALCUALTE and trying to use filter properties within that forumula).
To explain the context - I want to create a measure that counts how many customers have placed x amount orders in y number of days e.g. how many customers have placed 2 orders in 30 days.
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Jul 31, 2007
Hi
How do i remove Carriage return in a varchar column?
Thanks
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Apr 14, 2004
What is the correct syntax to replace a field data nvarchar(50)
Current data = 0020-10-02
Change = 2003-10-02
Thank you in advance.
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May 14, 2007
How do you replace quotes in an expression
I mean for example if I needed to replace xx in a string with empty string then the following works: REPLACE(SelectedString, "xx","")
But the example I have needs to actually replace quote marks in a string with an empty string and REPLACE(SelectedString, " " ","") doesn't work. I tried guessing a few option like "E or &QTE or something...
Any ideas ?
Thanks
Richard
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Jun 2, 2006
Hi,
We have a dataflow task that imports data from excel to a sql2005 database table. One of the columns is never filled in in the excel source. For updates we can use the lookup transformation to fill in that column, but for new values we need to calculate a new value for it (it's a PK) with MAX(column) +1 and replace the null value in the dataflow with this new value.
Just to be clear:
column id (int)
column name (string)
Based on the 'name' column, we can look up existing ids, and update these in the table. Ids that don't exist yet need to be filled in with the maximum value of the column + 1 (we can't use identity columns) and inserted in the table
Which transformation do I use to replace the value of the id column with this new id?
thanks,
Stephane
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Sep 27, 2007
I have a SQL Server 2005 database that has a table with a TEXT column. This TEXT column has XML data in it. The length of the XML data in each record in the table is about 700,000 characters. What is the quickest most efficient method to replace a nodes text with another value? I.E., <LogoLarge>aasdfasdfaasadfasdfsdfasdfadsf</LogoLarge> with <LogoLarge>a</LogoLarge>. This table has about 2 million records. Thanks in advance for your help.
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