Insert Data From Flat File Into Serveral DB Tables Having Many-to-many Relations
Nov 4, 2007
Hi everyone,
I am new to SSIS and I thought maybe someone would give me tips for solving the problem I am facing.
Overview:
I want to insert data contained in a flat file into several DB tables, which have N-M relations.
For illustration, I would explain the problem on a very simple DB:
1. The database contains the following 3 tables:
EMPLOYEE (EMP_ID, EMP_NAME)
PROJECT (PROJ_ID, PROJ_NAME)
EMP_PROJ (EMP_ID, PROJ_ID) , where EMP_ID and PROJ_ID are foreign keys referencing records in the EMPLOYEE and PROJECT tables respectively.
2. Each entry in the falt file contains the following data:
EMP_ID, EMP_NAME, PROJ_ID, PROJ_NAME
3. In SSIS, I have created a Data Flow Task containing:
- a path from a Falt File Source to an SQL Server Destination (Table: Employee)
- a path from a Falt File Source to an SQL Server Destination (Table: Project)
- a path from a Falt File Source to an SQL Server Destination (Table: Emp_proj)
Note: I used SQL Server Destination, because I need to import a huge amount of data and I read that this component performs better than the OLE DB Destination!
Questions:
1. I would like to eliminate EMP_ID and PROJ_ID from the Flat File Source. Instead, I would like these fields to be generated automatically upon insertion.
a. How can I do this and propagate the generated key among the different paths, which I have explained previously?
b. Can I first generate the two keys somehow then the parallel insertions into the different tables should start using the generated keys?
2. Is my solution correct in the first place? Or is there another better way for inserting data which belong to N-N relations?
Thanks in adavance,
Samar
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Oct 31, 2015
Is there anyway to get the order in which data to be import on to tables when they have primary and Foreign Key relations?
For ex:We have around 170 tables and when tries to insert data it will throw error stating table25 data should be inserted first when we insert data in table 25 it say 70 like that.
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Oct 24, 2007
Hi all,
In a foreachloop, I am inserting records into a flat file which is working fine. But the thing is that as the file grows, it takes longer for it to locate the EOF(End of File) of the flat file so as to insert the records.
I have around 70-100 lines written to the file at each loop and there are more than 20k records to be looped. wihich means that at the end I should be having 1400k - 20000k line in the text file.
One solution would be to insert the records at the start of the file itself so that it does not has to lookup the EOF each time before writting.
Another would be to generate separate files and then merge it.
Any idea how can this can be done?
Beside this I have to zip the file and then SFTP to a given address.
Any suggestion or help would be welcome.
Rdgs
David
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Mar 29, 2006
How do I insert data from a flat file or .csv file into an existing SQL database???
Here what I've come up with thus far and I but it doesn't work. Can someone please help? Let me know if there is a better way to do this... Idealy I'd like to write straight to the sql database and skip the datset all together...
strSvr = "vkrerftg"
StrDb = "Test_DB"
'connection String
strCon = "Server=" & strSvr & ";database=" & StrDb & "; integrated security=SSPI;"
Dim dbconn As New SqlConnection(strCon)
Dim da As New SqlDataAdapter()
Dim insertComm As New SqlCommand("INSERT INTO [Test_DB_RMS].[dbo].[AIR_Ouput] ([Event], [Year], [Contract Loss],[Company Loss], " & _
"[IndInsured Loss Prop],[IndInsured Loss WC],[Event Info]) " & _
"VALUES (@Event, @Year, @ConLoss, @CompLoss, @IndLossProp, @IndLossWC, @eventsInfo)", dbconn)
insertComm.Parameters.Add("@Event", SqlDbType.Int, 4, "Event")
insertComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")
insertComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")
insertComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")
insertComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")
insertComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")
insertComm.Parameters.Add("@eventsInfo", SqlDbType.NVarChar, 255, "Event Info")
da.InsertCommand = insertComm
Dim upComm As New SqlCommand("UPDATE [Test_DB_RMS].[dbo].[AIR_Ouput] " & _
"SET [Event] = @Event " & _
",[Year] = @Year " & _
",[Contract Loss] = @ConLoss " & _
",[Company Loss] = @CompLoss " & _
",[IndInsured Loss Prop] = @IndLossProp " & _
",[IndInsured Loss WC] = @IndLossWC " & _
",[Event Info] = @EventInfo", dbconn)
upComm.Parameters.Add("@Event", SqlDbType.Int, 4, "Event")
upComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")
upComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")
upComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")
upComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")
upComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")
upComm.Parameters.Add("@EventsInfo", SqlDbType.NVarChar, 255, "Event Info")
da.UpdateCommand = upComm
da.Update(dsAIR, "TextDB")
************* ANY HELP WOULD BE GREATLY APPRECIATED************
THANKS
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Mar 29, 2006
How do I insert data from a flat file or .csv file into an existing SQL database???
Here what I've come up with thus far and I but it doesn't work. Can someone please help? Let me know if there is a better wway to do this... Idealy I'd like to write straight to the sql database and skip the datset all together...
strSvr = "vkrerftg"
StrDb = "Test_DB"
'connection String
strCon = "Server=" & strSvr & ";database=" & StrDb & "; integrated security=SSPI;"
Dim dbconn As New SqlConnection(strCon)
Dim da As New SqlDataAdapter()
Dim insertComm As New SqlCommand("INSERT INTO [Test_DB_RMS].[dbo].[AIR_Ouput] ([Event], [Year], [Contract Loss],[Company Loss], " & _
"[IndInsured Loss Prop],[IndInsured Loss WC],[Event Info]) " & _
"VALUES (@Event, @Year, @ConLoss, @CompLoss, @IndLossProp, @IndLossWC, @eventsInfo)", dbconn)
insertComm.Parameters.Add("@Event", SqlDbType.Int, 4, "Event")
insertComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")
insertComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")
insertComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")
insertComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")
insertComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")
insertComm.Parameters.Add("@eventsInfo", SqlDbType.NVarChar, 255, "Event Info")
da.InsertCommand = insertComm
Dim upComm As New SqlCommand("UPDATE [Test_DB_RMS].[dbo].[AIR_Ouput] " & _
"SET [Event] = @Event " & _
",[Year] = @Year " & _
",[Contract Loss] = @ConLoss " & _
",[Company Loss] = @CompLoss " & _
",[IndInsured Loss Prop] = @IndLossProp " & _
",[IndInsured Loss WC] = @IndLossWC " & _
",[Event Info] = @EventInfo", dbconn)
upComm.Parameters.Add("@Event", SqlDbType.Int, 4, "Event")
upComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")
upComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")
upComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")
upComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")
upComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")
upComm.Parameters.Add("@EventsInfo", SqlDbType.NVarChar, 255, "Event Info")
da.UpdateCommand = upComm
da.Update(dsAIR, "TextDB")
************* ANY HELP WOULD BE GREATLY APPRECIATED************
THANKS
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Mar 12, 2015
I am running a set of SQL statements on a SQL server, to insert flat file data into a SQL table. The flat file is already FTP'ed to the SQL server. I seem to be getting an error, which is possibly pointing to a permissions issue
The statements:
BULK INSERT [Jedox_prod].[dbo].[B_BP_Customer]
FROM 'c:jedox_dailyjdcom4401.txt'
WITH
(
FIRSTROW = 2,
MAXERRORS = 0,
FIELDTERMINATOR = '|',
ROWTERMINATOR = '
'
)
GO
The error is :
Msg 4861, Level 16, State 1, Line 1
Cannot bulk load because the file "c:jedox_dailyjdcom4401.txt" could not be opened. Operating system error code 3(failed to retrieve text for this error. Reason: 1815)
If it is permissions issue, how do I overcome this?
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Sep 13, 2005
I have a package that contains three database tables (Header, detail and trailer record) each table is connected via a OLE DB source in SSIS. Each table varies in the amount of colums it holds and niether of the tables have the same field names. I need to transfer all data, from each table, in order, to a flat file destination.
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Aug 2, 2007
Hi,
I'm new to SQL Server 2005 SSIS. I'm trying to do something very simple, but I cannot figure it out, PLEASE HELP!
I have a flat file, which I read and then insert the data in a database table, that works fine. The problem is that I don't want to insert duplicate records. For example; if I run the package again, it will appent to the table. What I need to do is that if the package runs again, check if the record already exist, based one two columns, date and hour, and do not insert the record.
Thank you,
Aldo
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Nov 2, 2006
I'm importing a large csv file two different ways - one with Bulk Import Task and the other way with the Data Flow Task (flat file source -> OLE DB destination).
With the Bulk Import Task I'm putting all the csv rows in one column. With the Data Flow Task I'm mapping each csv value to it's own column in the SQL table.
I used two different flat file sources and got the following:
Flat file 1: Bulk Import Task = 12,649,499 rows; Data Flow Task = 4,215,817 rows
Flat file 2: Bulk Import Task = 3,403,254 rows; Data Flow Task = 1,134,359 rows
Anyone have any guess as to why this is happening?
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Apr 3, 2015
I am unable to load data from flat file to sql table using bulk insert sql statement
My code:-
DECLARE @filePath VARCHAR(200)
DECLARE @sql VARCHAR(8000)
Declare @filename varchar(100)
set @filename='CCNVZ_150401054418'
SET @filePath = 'I:IncomingFiles'+@FileName+'.txt'
[Code] .....
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Sep 27, 2012
Is there a way to open EDI file in SQL Server and insert the data into tables?
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Jan 3, 2005
I am trying to take an entire MS SQL database and put it in an sql file. I have succesfully copied the tables into an sql file by highlighting the tables in enterprise manager and choosing 'generate sql script'.
That gives me the structure, but now I would like the data (in insert statements). I have looked in enterprise manager's export wizard and sql analyzer to no avail. There seem to be a lot of options for exporting data except this one! Please point me in the right direction.
At the end of the day, I would like to be able to put everything in a text file. Then, should I have problems, I can just copy my text into query analyzer and have a brand new database.
Thank you in advance.
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Mar 23, 2007
Hi! I'm a newbie to SSIS and I'm trying to insert a flat file into a table.
The flat file contains some bad data so I want to insert the data into a text column.
I'm getting the following error below... It seems like SSIS cannot find the row delimiter, but I just want to load the file into a text column as a single row. I am able to insert the data to a text column in SQL 2000 DTS. Is there a way to do this in SQL 2005?
Please help... and Thanks in advance!!
[DTS.Pipeline] Error: The PrimeOutput method on component "Flat File Source" (1) returned error code 0xC0202092.
The component returned a failure code when the pipeline engine called PrimeOutput().
The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing.
[Flat File Source [1]] Error: An error occurred while processing file \sss.sss on data row 1.
[DTS.Pipeline] Error: The PrimeOutput method on component "Flat File Source" (1) returned error code 0xC0202092.
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Sep 22, 2006
Hi!
I have a problem that I canīt understand.
I have rows in a table in a SQL Server 2005 that I want to send to a Flat file. When I am executing the task for the first time it is OK and works perfectly. But the problem is when I am trying to do it again. I seems like the path to the file and the filename dissappears after the first time and the execution failes with an error message that tells me that the file is invalid and donīt exists.
I donīt now why this is happening and itīs such an easy thing to do and I canīt make it work.
So please help me!
Regards,
Johanna
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Dec 12, 2005
Hi!
I'm trying to setup a DTS that reads a flat file uses a Data Driven Query task and then selects ONLY records that does not exist in the database and then INSERT them to DB1.
This works fine but I need to add another functionality.
I need to create a record on another table(DB2) based on the freshly inserted records in DB1 using only some of the fields. How do I do it?
Is setting up a trigger possible so that everytime a record is inerted in DB1 it will automatically a populate DB2?
Flat file:
ID
Name
Phone
DB1
ID
Name
Phone
DB2
ID
PHone
Event (from 00 to 10)
NumActions (initialized to 0)
Please help.
Thanks.
$3.99/yr .COM!
http://www.greatdomains4less.com
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Jan 30, 2004
Hi,
I have a text file with a single column that i need to bulk insert into a table with 2 colums - an ID (with identity turned on) and col2
my text file looks like:
row1
row2
row3
...
row10
so my bulk insert i have like this:
BULK INSERT test FROM 'd: estBig.txt'
WITH (
DATAFILETYPE = 'char',
FIELDTERMINATOR = ',',
ROWTERMINATOR = '
'
)
but i get the error:
Server: Msg 4866, Level 17, State 66, Line 1
Bulk Insert fails. Column is too long in the data file for row 1, column 1. Make sure the field terminator and row terminator are specified correctly.
However, as you can see from the text file, there is only one column, so i dont have any field terminators.
Any ideas how to make this work?
Thanks.
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Aug 7, 2007
Hi Guys,
I hope this is easy stuff for you..
First of all i searched the forum but didnt exactly find what iam searching for:
I have a File folder which contains 1..n Files of the same type.
The files contain a DateValue at the beginning of each row. I now want to read the first Record of the file - extract the datevalue and search in my Importtable if there are any records with that Date. If there are allready Records with this date i know i allready imported that file and skip it in my For each File Container. If no records where found I want to copy them from the file to the table.
So I have a flatfile source and thoght I just make an oledb command task afterwards which looks like "Select count(*) from Import where Processdate = ?. and then a conditional split if the count == 0 or not... but i have problems getting the Count value out auf the OLD DB Command Task because everytime I try to add an outputcolumn i get the message: "An Output cannot be added to the output collection" and since there is no possibility to map an expression to the result...
I tried to workaround the problem using a lookup task.. but that seems to be the wrong way.
thanks for your help
bye
AS
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Sep 11, 2007
I have to insert the Values from the Flat Files , My table structures have Primary keys , how do i insert only the distinct values into the table without the ERROR VIOLATION OF Primary Key already exists a record.
Dropping and Adding Relationships after insert is a way but doesnt serve the whole purpose is there a way we can eliminate duplicate records based on their Primary key before inserting them into the Database.
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Oct 22, 2007
HI,
I am having trouble importing a flat file that was extracted from an AS400 server, into a SQL 2005 DB table using Bulk Insert. This file contains a column (field) that is of a Packed Decimal data type. Data in all other fields is displayed normally when viewing this file in a text editor such as Note Pad or Text Pad, but this one field comes up with unknown encoding: squares, thick vertical lines, basically strange characters and no numeric data.
Does anyone have any experience dealing with file of this sort?
Any insight would be appreciated.
Thanks.
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Jan 23, 2007
So here's the issue
16 flat files all fixed width. Some over 350 columns.
Open flat file 1
extract id and go see if its in table 1, if true update table 1 with first 30 columns
otherwise insert into table 1 first 30 columns.
goto table 2, lookup id, insert/update next 30 columns...etc..etc..for 10 different tables
So I've got my flat file source, I do a derived column to convert the dates, i've got a lookup for table 1, then 2 ole db commands, 1 for update if lookup successful, 1 for insert if lookup fails.
How can I pass the id as a param into the update command so it updates where x = 'x'
also I need a pointer on doing the next lookup, eg table 2, would I do this as some sort of loop?.
If you can help great, but, please don't just reply with "I'd use this object"...then no explanation of how
v.v.frustrated newbie to SSIS
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Jan 17, 2007
Probably a stupid and regularly asked question but I can't seem to find an answer, so here goes,
we have 16 .txt files, some with over 350 columns.
That info from each individual file needs importing to multiple sql tables.
need to look at sql table1 does record exist? if not create new then add in data once its been transformed eg datetime from yyyymmdd into datetime values [managed to get this using derived column] for first 20 columns, otherwise do update for the 20 columns...
then look at sql table2 and repeat for next n columns....
So I was wondering is it going to be better to write this as a dtsx package? if so can you point me to an example
or should I just write the code as part of a code behind page that scrapes the info and does a standard update/insert procedure?
Any help would be welcome.
thanks
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Feb 21, 2007
Here is the Scenario.
I have a flat file with name "Employee.txt " (Full url: C:Employee.txt) .The File content is like this
Anil,Engineering,1997
Sunil,Sales,1981
Kumar,Inventory,1991
Rajesh,Engineering,1992
(Note: Items are Comma Seperated)
Now, i have a SQL Server database called "EmployeeDB" which has 2 tables "TblEmp1", "TblEmp2".
The Table is like this.
TblEmp1 : Columns
EmpName EmpDept EmpjoinDate
TblEmp2 : Columns
EName EDate Edept
using integration services (SSIS) i need code(vb.net or c#) to Create a dtsx package so that i can push the flat file content to these 2 tables.
And the condition is :
After Executing the package Data loaded in TblEmp1 should be like this
EmpName EmpDept EmpjoinDate
Anil Engineering 1997
Sunil Sales 1981
Kumar Inventory 1991
Rajesh Engineering 1992
(No change in order compared to source)
And Data loaded inTBLEmp2 should be like this
EName EDate Edept
Anil 1997 Engineering
Sunil 1981 Sales
Kumar 1991 Inventory
Rajesh 1992 Engineering
Now, i know that we need to do like this in wizard
1) Create a flat file source component.
2) Create flat file connection and set the properties of flat file (delimeters and other things)
3) Create a Multicast Component.
4) Create a Path between Flat file source and Multicast.
5) Create 2 destination component(each for a table).
6) Create path from multicast to 2 destination components
7) Create a OledbConnection and set table names for 2 destination components..
7) Now,i have to do mapping for destination1.8) Now, i have to do mapping for destination2( this mapping will be different from mapping done for destination1 because iam not inserting the data in the same order in which iam doing for TBLEmp1.
I have done it in wizard.I need to do it through code and i know that its not complicated.Please find the attached file with this mail.i have attached a screen shot of how i have done in wizard.The main problem is Mapping differently for 2 destinations from source.for 1st one we can have a forloop for mapping.but for 2nd one iam confused!!
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Aug 24, 2007
Hi,
I am testing SSIS and have created a Flat File Destination. I defined the Flat File Connection as New for the first time and it worked fine. Now, I would like to go back and modify the Flat File Connection in the Flat File Destination Editor, but it allows only to create a New connection rather allowing me to edit the existing one. For testing, I can go back and create a new connection, but if my connection had 50-100 columns then it would be an issue to re-create it from scratch.
Did someone else faced this issue?
Thanks,
AQ
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Mar 23, 2007
We are trying to use SSIS Import export wizrd to import the flat files (CSV format) that we have into MS SQL Server 2005 database tables. We have huge number of CSV files. Is there a way by which we can import these flat (CSV) files in to corresponding SQL server tables in a single shot. I would really appreciate this help as it is painful to convert each and every file using the Import Export wizard.
Thank you very much,
Regards,
Srinivas Raveendra
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Dec 27, 2006
Hi,
I have a situation where a tab limited text file is used to populate a sql server table.
The tab limited text file comes from a third party vendor. There are fixed number of columns we need to export to the sql server table. However the third party may add colums in the text file. Whenenver the text file has an added column (which we dont need to import) the build fails since the flat file connection manager does not create the metadata for it again. The problem goes away where I press the button "Reset Columns" since it builds the metadata then. Since we need to build the tables everyday we cannot automate it using SSIS because the metadata does not change automatically. Is there a way out in SSIS?
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May 11, 2006
I am transferring data from an OLEDB source to a Flat File Destination and I want the column width for all of the output columns to 30 (max width amongst the columns selected), but that is not refected in the Fixed Width Flat File that got created. The outputcolumnwidth seems to be the same as the inputcolumnwidth. Is there any other setting that I am possibly missing or is this a possible defect?
Any inputs will be appreciated.
M.Shah
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Apr 6, 2015
I am running my package in sql server 2012, in which i am giving network path for flat file destination. And its working fine. But if i give m local path, its giving me  error " cannot open data file" ...
Nothing is wrong with package.
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Aug 21, 2007
Hi,
I want to combine a series of outputs from tsql queries into a single flat file destination using SSIS.
Does anyone have any inkling into how I would do this.
I know that I can configure a flat file connection manager to accept the output from the first oledb source, but am having difficulty with subsequent queries.
e.g. output
personID, personForename, personSurname,
1, pf, langan
***Roles
roleID, roleName
1, developer
2, architect
3, business analyst
4, project manager
5, general manager
6, ceo
***joinPersonRoles
personID,roleID
1,1
1,2
1,3
1,4
1,5
1,6
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Aug 28, 2007
Hi There,Im trying to display a list of results and have extra information pulled from another table. Please read on as this isnt what you think, just hard to explain but I will try.In Table 1 I have a set of Orders, example data below.Order 1, Line 1Order 1, Line 2Order 1, Line 3Now I have another table to record what lines a user would like to monitor, for this example the user will monitor these lines.Line 1Line 2but not Line 3I need to display a single grid view using the least amount of queries possible to diplay the following resultOrder 1, Line 1, MonitoredOrder 1, Line 2, MonitoredOrder 1, Line 3, NOT MonitoredI have tried viewed, but with the relationships it only displayes what is avialable in both tables, I have also thought about using a DataSet relationship with two queries through the code, but am really wondering if anybody knows of a simple and low overhead way of producing this result? Mayby stored procedures?Kind Regards,Gareth
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Feb 23, 2008
Hello Guys,
I am working in one company and currently I am assigned to new project for Data Migration from company X to our company Y using SSIS. I am totally new and i just completed 5 tutorial which was gien on MSDN website.
Basically client is going to send us first flat file with 1 million records with Header, Detail and Trailer records.
I want to create a Package in such a way that it dumps all this first load into 7 to 8 different tables at a time.
we also have to include functionlity for validation and error check.
On successfull load error file should only return Header and Trailer but no detail records.
If there are any errors then error file should contain Header, Detail records which were unable to load plus trailer which we have to sent back to client.
When 2nd file comes that time we have to check whether this is new records or change (update) one depending on Flag which tells it.
This is basically high level idea of my Package what i need to create. If u guys have any question then let me know.
I know you guys are very experienced one. Anyone of you please give me some detail idea on it I would really appricate it.
I have very limited time line for it.
Thanks
Shah
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Dec 21, 2003
i want to write program that will return
the relations between the tables and its type (one to many,.....etc)
any help
Thanks in advance
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May 14, 2007
I can't use DTS nor DTSwizard as I need to put it in a .sql and run it through a command line via .bat file (it's more for the users).
Each row ends with an EOL character, the fields are all fixed width, but I have a little problem here, some rows are empty but just with a EOL character.
How shall I go about it?
many thanks! :D
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Mar 18, 2015
Can we bulk insert only the desired column from a flat file to a table?
I am using SSIS to bulk insert from a file with more than 200 columns. I am trying to find a way I can bulk insert them to multiples table through SSIS.
The one way I can think is pre map the columns from the file to the destination tables. Build numerous Bulk Insert tasks to achieve that. But not sure if SSIS will let me do that.
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