Delete Records That Don Exist In The Destination
Nov 23, 2006
Hi all,
I am developing an ETL wherein the requirement is to do an incremental load and at the same time, if there is a record that got deleted in the Source delete it from the destination too, makes sense.
The approach am doing is, pick data from the SRC and Destination, pass it onto a Merge join component, do a Full Outer join, then pass the rows to a conditional split. Newly Added records and updated records I can handle, how do I handle the Deleted records?
Am I correct in the way I am doing or there is something better to handle this?
Thanks in advance
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Jul 2, 2007
Short Question: How do I delete all records from a destination table prior to appending new data to that table?
I am working with a SQL database that was migrated from MS Access. All relationships, primary keys, and identity columns have been set identically to the MS Access database values. The MS Access database is still being used as the database of record until the SQL database is fully functional with front-end, etc.
I want to delete the information stored in all the SQL tables, and then append the MS Access values to the SQL tables. I was able to write delete and append queries in MS Access to correctly transfer data to the SQL tables. However, I would prefer doing this through SSIS because I have several other sources of data to move to a SQL Server database and most of those other sources are not a MS Access database.
Due to relational entegrity settings, I need to delete the records from 8 tables in a specific order. I have tried independent control objects for each of the 8 tables with data flow objects of either "OLE DB Command" or "OLE DB Source" with the SQL command as "Delete From TableName". Results of the debug indicate everything is "green" but no records were deleted fromt the tables.
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Apr 9, 2007
How do I delete records in the destination file in SSIS using BI Development Studio?
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Apr 10, 2007
How do I delete records in the destination file in SSIS using BI Development
Studio? Thanks.
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Jan 11, 2006
I'm a novice to SSIS (and we've never used DTS).
Writing a Control flow that inserts records worked fine, using lookups and all, but i can't find somewhere an example on how to update records of even delete records.
Any suggestions ....
Thx
Harry Leboeuf
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Mar 17, 2008
I need to delete all records in the TBL_PCL_LENS_DATA table that do not have a corresponding record in the TBL_VERIFICATION table.
Primary Table: TBL_PCL_LENS_DATA
PK: Serial Number
PK: ProcessedDateTime
Child Table: TBL_VERIFICATION
PK: Serial Number
Thanks,
Sean
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Sep 26, 2006
hi all,
i'm a newbie in SSIS. i created a package to transfer data from one table to another. before the data flow, i added a Execute SQL Task package that truncate the dest table if it exists and create a new one if it doesn't.
i'll encounter an error (invalid object name) when i run the whole package but no error if i execute the tasks 1 by 1.
what's the workaround for this? thanks!
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Feb 17, 2006
Hi All,
What is the most straighforward way of not importing rows that already exist in the destination table (as determined by a primary key value)? Thanks.
Regards,
Daniel
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May 25, 2015
I am working on SSIS wehre I need to work on a flat file as a source and needed to import it to database. If the destination table have the record already, I need to update it and if not exist, I just need to import the whole data.
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May 29, 2015
How to design ta SSIS package which loops through DESTINATION folder files and checks whether that file is there in the SOURCE or not.
If the file exists then I have to check the modified date on DESTINATION file if it is greater than 1 day delete that file. If the modified date is less than that SOURCE file then I have to copy that
file to DESTINATION<o:p></o:p>
<o:p></o:p>
If there are files which exists in SOURCE and not in DESTINATION, then how shall we copy all the files to the DESTINATION that are created on the day of execution of package.<o:p></o:p>
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May 19, 2012
I am using Master Data Service for couple of months now. I can load, update, merge and soft delete data in MDS. Occasionally we even have to hard delete data from MDS. If we keep on soft deleting records in a MDS table eventually there will be huge number of soft deleted records. Is there an easy way to hard delete all the soft deleted records from all MDS tables in a specific Model.
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Apr 25, 2014
ACADEMIC_YEAR COURSE_REFERENCE TERM
------------- ---------------- --------
2014 -1465586182 TERM4
2014 -772484485 TERM4
With the above data, user must check and delete the row only if exist
I have query some thing like this:
DELETE FROM epas_publish_course where COURSE_REFERENCE IN ( SELECT * FROM (SELECT COURSE_REFERENCE FROM epas_publish_course WHERE COURSE_REFERENCE) AS X) ;
which deleting the complete table but i need to delete one particular row...
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Sep 18, 2007
Hi all,
I am writing a test result database in SQL 2K5 and one of the features I want to implement is a stored procedure that deletes the oldrecords while preserving a set number of records, the following is what my SP looks like
Procedure [dbo].[CleanResults]
@RecsToKeep bigInt,
@Output Int output
as
Declare @Date Datetime
Declare @Count bigint
set @Date = getdate()
Select @Count = Count(UniqueID) from [Main]
Print 'THE COUNT IS'
print @Count
if ( @Count > @RecsToKeep) begin
set @Count= @Count - @RecsToKeep
Print 'THE Number to delete is'
print @Count
select TOP(@Count) UniqueID from Main order By [Main].[TestDateTime] desc
Delete from [Main] where exists (select TOP(@Count) * from Main order By [Main].[TestDateTime] desc);
set @Output = @Count
end
else begin
set @Output = -1
end
whats odd is that the select staement will evaluate correctly and return the oldest record @Count record, however the delete stament removes all the records. An advice would be appriciated.
Thanks Christopher
PS Any advice for using TOP with variables in MSDE 2k (as opposed to 2k5) would be appreciated
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Aug 26, 2005
Hello,
I need to delete rows from one table that appear in another table.
For example:
newnames has fname, lname, age
oldnames has fname, lname, age
So, I want to be able to remove the rows from newname where there are rows in oldnames. This should be simple enough.
This is what I'm trying to use but it is deleting everything from oldnames.
delete from oldname
select * from newnames
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Aug 6, 2007
HI,
I have been trying to solve the locking problem from past couple of days. Please help mee!!
Scenario:
--------------
I have a SSIS package in which 2 data flow tasks. 1st data flow task deletes records from a 5 tables and the 2nd data flow task should insert records into 1 of the five tables after the success of 1st data flow task. This scenario runs in Transacation.
The above scenrio in the 2nd data flow task hangs in runtime. It does not complete. with sp_who2 command i could see that there is an intent share lock(LK_M_IS) on the table and the status is SUSPENDED.
I dont know how to come out of this locking. Please help.
Thanks ,
Sunil
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Sep 28, 2007
Hi! Is there a way to delete a record from multiple tables at the same time? Thanks for the help!
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Oct 3, 2000
Dear friends,
I am thinkking there has to be away to do this in a SQL
statement.
can't you do some kind of...
Create Procedure sp_update_users
@User_Id Int,
@Title_Id Int
AS
UPDATE USERS
DELETE WHERE @User_ID = User_Id and @Title_Id = @Title_Id
ELSE
INSERT INTO USERS VALUES (@User_ID,@Title_Id;)
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Apr 30, 2008
help on CREATE stored procedure delete and after insert where not exist
in one stored procedure
in table_B
Code Snippet
CREATE PROCEDURE [dbo].[delete_from_table_B]
@empID varchar(500)
as
DELETE FROM table_B
WHERE charindex(','+CONVERT(varchar,[empID])+',',','+@empID+',') > 0
---HELP from this ponit how to insert ? after where not exist
IF @@ROWCOUNT > 0
BEGIN
insert into
table_B
set (empID,ShiftDate,shiftType)
where not exist
select
empID,ShiftDate,shiftType
from
table_A
table_A
empID fname ShiftDate shiftType
----------------------------------------------------
111 aaaa 15/03/2008 1
111 aaaa 16/03/2008 2
111 aaaa 18/03/2008 3
111 aaaa 19/03/2008 4
111 aaaa 20/03/2008 5
111 aaaa 21/03/2008 6
999 qqq 21/03/2008 9
222 bbb 02/05/2008 7
222 bbb 03/05/2008 8
222 bbb 04/05/2008 9
222 bbb 05/05/2008 7
222 bbb 06/05/2008 9
222 bbb 07/05/2008 3
222 bbb 08/05/2008 4
222 bbb 09/05/2008 5
333 ccc 03/04/2008 9
333 ccc 04/04/2008 2
TABLE B
empID fname ShiftDate shiftType
----------------------------------------------------
111 aaaa 15/03/2008 1
111 aaaa 16/03/2008 2
111 aaaa 18/03/2008 3
111 aaaa 19/03/2008 4
111 aaaa 20/03/2008 5
111 aaaa 21/03/2008 6
TNX for the help
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May 15, 2008
Hey all
I am exporting table rows (based on a query) into an excel file but I don't want to append to the file. I would like to delete the rows that were previously added and then add the new data. The file has column headings and I would like these to exist all the time.
I know how to export the data but don't know how to delete 'old' data rows from excel.
Any guidance will be highly appreciated.
Many thanks,
Rupa
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Jan 11, 2008
Can I delete the record if it exist before we do an insert at the DataFlow level base on a key of the record we are working on? Basically we want to keep history records and delete and reinsert any records that exist in the table.
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Mar 21, 2006
I'm just learning to join tables and I'm trying to construct a query to tell me the following:
Table names and related columns:
Table1.HdrSys
Table2.HdrSysNum and HdrSys
Table3.HdrSysNum
Table3 contains the detail info for Table2. Table1 is the header table for Table2. So.. If I want all records in Table3 that don't have a related record in Table1, is this even possible?
I started with:
select * from Table3 a
join Table2 b on a.HdrSysNum = b.HdrSysNum
join Table1 c on b.HdrSys= c.HdrSys
-- Now.. how do I qualify the statement.. or can I with just this. Thx! Hope I wasn't too confusing.. because I tend to get that way when I'm confused!
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Mar 29, 2012
basically IF multiple records with the same start date exist, i have to select the one with the max(note_id)
Example
note_id/start_date
88888/08-01-2001
98788/08-01-2001 <===
55555/08-01-2001
54856/08-01-2001
in the example above, i would need to pick the one with the arrow
note_id-98788 and start_date-08-01-2001
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Jan 24, 2014
I am trying to write a script that will only insert records that do not exist to a local table. Whenever a form is changed, it keeps the same name, but a new record is created with a new ID. I need to be able to pull the new record by checking for ID's that are not on the local table, but using a form name to isolate. The nested select I am attempting is
select distinct qf.[eform_id]
, qf.[name]
, qf.[description]
from [qfiniti].[qfiniti_platform].[dbo].[eval_forms] qf
inner join FORMS_REF fr on qf.[name] collate database_default = fr.form_name collate database_default
where not exists (select fr.eform_id
from forms_ref fr
inner join [qfiniti].[qfiniti_platform].[dbo].[eval_forms] qf on fr.eform_id = qf.eform_id);
It is outputting nothing, but I have intentionally deleted one form record to force it to show up.
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May 16, 2008
Greetings. I have been trying to develop an SSIS package that updates external data (Visual FoxPro tables) from SQL Server 2005. I have tried this various ways: using various Data Flow task components that flow to an OLEB Destination; using an Execute T-SQL Task; and even trying Management Studio interactively with the OpenDataSource('vfpoledb', etc.) statement. For each of these techniques, I have no problem performing a SELECT from the VFP data. Also, I have no problems performing an INSERT of new records using any of these techniques. However, both UPDATE and DELETE of existing records fail.
Is it possible the the OLE DB driver doesn't support UPDATE and DELETE operations? It appears that I'm not allowed to change or delete existing records, only add new ones. Or, are there other techniques I can be trying?
I am aware that updating FoxPro data can be performed by pulling the data from SQL Server into FoxPro. For our purposes, it would be more convenient if the processes could be initiated and managed from the SQL Server side of things instead.
Thanks much,
Randy Witt
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Sep 11, 2007
Posted - 09/10/2007 : 15:53:26
Hey all - got a problem that seems like it would be simple (and probably is : )
I'm importing a csv file into a SQL 2005 table and would like to add 2 columns that exist in the table but not in the csv file. I need these 2 columns to contain the current month and year (columns are named CM and CY respectively). How do I go about adding this data to each row during the transformation? A derived column task? Script task? None of these seem to be able to do this for me.
Here's a portion of the transformation script I was using to accomplish this when we were using SQL 2000 DTS jobs:
'**********************************************************************
' Visual Basic Transformation Script
'************************************************************************
' Copy each source column to the destination column
Function Main()
DTSDestination("CM") = Month(Now)
DTSDestination("CY") = Year(Now)
DTSDestination("Comments") = DTSSource("Col031")
DTSDestination("Manufacturer") = DTSSource("Col030")
DTSDestination("Model") = DTSSource("Col029")
DTSDestination("Last Check-in Date") = DTSSource("Col028")
Main = DTSTransformStat_OK
End Function
***********************************************************
Hopefully this question isnt answered somewhere else, but I did a quick search and came up with nothing. I've actually tried to utilize the script component and the "Row" object, but the only properties I'm given with that are the ones from the source data.
thanks in advance!
jm
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May 21, 2008
Hello everybody
I have one question about deleting blank row on flat file destination from conditional split.
I create an SSIS package to filter data from Flat file source.
On flat file source, it is Ragged right format and header row delimeter in {CR}{LF}
the coulums are devided manulaay using markers.
I use only 2 columns divided and send the source into conditional split task and the conditions are given to filter data,
when the output from conditional split is placed on flat file destination, i notice blank rows on the output. I want to delete the blank rows so the result data can be displayed continuously in rows.
anybody has any idea for this? I know the script task will work but hope to avoid to use script task.
Thank you in advance for all the help.
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Feb 14, 2006
Greetings from a SSIS newbie still on the learning curve...
I have a SQL query OLE DB Source that yields a result set that I'd like to put into a SQL Server Destination, but only those records that don't already exist in the destination.
Is there a recommended (read: easy) way to accomplish this? Perhaps a handy transformation?
I have tried to incorporate a subquery in my source query along the lines of:
SELECT fields FROM table1 WHERE keyfield NOT IN (SELECT keyfield from table2)
which works in design time but fails at the server with a cryptic:
"Error: Unable to prepare the SSIS bulk insert for data insertion."
and
"Error: component "<component>" (16) failed the pre-execute phase and returned error code 0xC0202071."
Don't mean for that to cloud the issue, though. I would appreciate any help given.
Thanks!
Paul
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Oct 6, 2015
I am trying to put together a Stored Procedure that runs other SP's based on a records found condition. Sometimes my update table either by deleting duplicates or for other reasons is empty. Running a SP to update records on a table is not needed.
IF EXISTS (SELECT TOP 1 * FROM Work_Tables.dbo.Trace_Return_Updates WHERE TR_RecType = 'CT1')
BEGIN
EXEC IMB_Trace_Data.dbo.Update_CT1_Trace_Data
END
IF EXISTS (SELECT TOP 1 * FROM Work_Tables.dbo.Trace_Return_Updates WHERE TR_RecType = 'CT2')
BEGIN
EXEC IMB_Trace_Data.dbo.Update_CT2_Trace_Data
END
IF EXISTS (SELECT TOP 1 * FROM Work_Tables.dbo.Trace_Return_Updates WHERE TR_RecType = 'FULF')
BEGIN
EXEC IMB_Trace_Data.dbo.Update_FULF_Trace_Data
END
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Jul 23, 2005
Hi guys,i have a little problem here.im attempting to write a stored procedure that compares two tables ofthe same data structure and adds (inserts) extra records that exist intable1 to table2.My problem is that i dont have a unique identifier between the tables.i think someone said that i needed to build up a keyany ideas greatly appreciated ??C
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Nov 26, 2002
Hi Gurus,
We have a SQL 2000 DB1 ( publisher) which is replicated using transactional replcation onto the secondary server DB2 ( subscriber). we have identity columns on the DB1 and we created those tables with 'not for replication' clause. we skipped the following errors in the replication profile '2601:2627:8102:20598'. on DB2 ( the subscriber ) some records are missing in some tables . ( I verified this with record count differences for some tables in both the servers DB1 & DB2.
How to find out what are all the records missing & the cause.
I have listed the msrepl_errors table on DB1 , distribution databases all I'm seeing there are error code 8102 , unable to update identity column.
Any Idea is appreciated.
- Thanks
Jay
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Oct 18, 2007
All,
I am having a brain-fart or something. I need help!!!
I'm developing a transform that selects data from a SQL script, then transforms that data, and then needs to update the data back into the same source table. The transform is working great, but I can't figure out the update table part. I've got it adding the transformed records to the table, but that's not what I need to do. I need to update the table with the changed data.
Any sample code or blog links would be greatly appreciated!
Thanks for the help!
-Scott
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Jun 14, 2006
Hi
I have a requirement like, i need to save all the records from my Flat File on Monthly basis to my database table. In the next month, the flat file may be added with 10-20 records and also some updates happened to my old records. Though the faltfile is same for each month, the changes are occured in some records and also added with few records.
So when i am loading this data in to Database table, i need to just update the changed records and also needs to add the new records. I don't need to touch the remaining records.
How can i do that in SSIS 2005 using different data flow tasks ?
Thanks
Kumaran
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Apr 4, 2007
Does SQL have a function that return "null" for records which don't exist? Per example in a FK relation ship, that not all records in the first table have a "child" in the second table, so it returns null records.
Thank you very much.
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