OBIEE 11g, Informatica and DAC: Migrating from Oracle DB to SQL Server?

Hi Gurus,
Currently we are implementing OBIEE 11g with Oracle BI Application for EBS (Supply Chain, Procurement & Finance modules). We have incorporated all OUT-OF-THE-BOX mappings and configurations in DAC, Informatica and RPD (no change, only OOTB). We were using Oracle DB and Linux servers.
Now the client wants to migrate this to one Windows box.
Can anyone point out, what are the changes need to done to migrate to SQL Server database. Any existing documentation or link will be helpful.
Edited by: Sudipta Gupta on Aug 2, 2012 1:59 PM

If you are using SQL Server 2008 then you need to edit the DAC config.bat file replace sqljdbc.jar with sqljdbc4.jar.
Rest of DAC and Informatica configuration is almost similar.
Let us if you come across any issues.
Hope this helps

Similar Messages

Create and insert into table from Oracle to MS SQL server.

Hello,
Oracle Database 11g and Red hat 5
I have a very different kind of issue. I am handling the ORACLE db(remote db with all the important data). On the other side their is a MS SQL server db(local db with some testing data in it). All the users will access the ORACLE db for the actual processing but for sometime they need to apply some of their own concepts. So they will transfer the data from ORACLE to MS sql server.
I want to create a code in ORACLE db like a procedure , which will create a table in MS sql server , insert data into it,Also create some metadata table to keep some of my table's info on MS SQL serve db,If the table is present it should append the data, .... like many things ...
Overall my question is , how can i write a code to make these operation on a remote db, that to these operations are DDL and on MS SQL Server(Non-Oracle) ???
Please guide me with some ideas or solutions ...
Also provide if you have some good links to study ...
thanks in advance.

I'm not sure why you never visit http://tahiti.oracle.com prior to asking any question. Is it forbidden in your locale? Are you afraid of it? Will your salary be decreased when you visit the documentation?
http://www.oracle.com/pls/db111/search?word=sql+server&partno=
should provide sufficient information.
Your doc question must be considered a violation of Forum Etiquette and an abuse of this forum.
Sybrand Bakker
Senior Oracle DBA

Data migration from Oracle to MS SQL using SSIS

Hi friends,
I know this question must have been asked by many who are beginners to SSIS like me about migrating data from oracle database to sql server database but i still would like to raise this query again.
I have table called tbl_employee_oracle in oracle database from where i need to retrive the latest records(eg. latest record of each employee) from the table and populate the result into the sql server database table which is tbl_employee_sqlserver
using ssis.
The logic i thought of doing this is as below;
1. Retrive all employees records from oracle database table.
2. Dump these records into a temporary table(will have same table structure as in oracle database) in sql server.
3. Creating a stored procedure in sql server which will contain logic to select the most recent records from this temporary table.
4. Populate this result set into the final table of sql server.
Please suggest me if working on this logic is worth and any alternate logic to accomplish this task.

There are many opitons, but choose among for your scenario
1. If your employee table is small with less than a few hundreds of record, you want to choose SCD Type 1 if not preserving histoy, incase of preserving history of records choose SCD2,
2. If you have less than few millions of records you can choose look up to direct unmatched records to insert into Sql Server Destination and direct matched records could be updated using OLEDB Destination or Try Merge Left outer Join
transform.
3. If you have several millions of records, you may want to use your above method.
4. Configuring to use CDC could be last option where there are large volumes of updates and inserts every few min to hours. But I'm not sure if this option can be set in Oracle Source.
Please mark this post as answer if it resolves your Problem. You may even mark it as helpful. Thanks

What is the easiest way to export all tables data from Oracle to MS SQL Server?

Hello MS,
I would like to export all tables from Oracle 11.2 to MS SQL Server 2012 R1.
Using the tool "Microsoft SQL Server Migration Assistant v6.0 for Oracle" did not work for me because there are too many warnings and errors regarding the schema creation (MS cannot know it because they are not the schema designer). My idea is
to leave/skip the schema creation to the application designer/supplier and instead concentrate on the Oracle data export and MS SQL data import.
What is the easiest way to export all tables data from Oracle to MS SQL Server quickly?
Is it:
- the „MS SQL Import and Export Data“ Tool
- the “MS SQL Integration Services” Tool
- not Oracle dump *.dmp format because it is a propritery binary format
- flat file *.csv (delimited format)
Thanks!

Hi lingodingo,
If you want to directly export all tables from Oracle database to SQL Server, I suggest you use SQL Server Import and Export Wizard. Because you just need to follow the wizard with GUI, this is the easiest way.
If you want to make some modification for the tables‘ data before loading to SQL Server, I suggest you use SQL Server Integration Services package. For more details, please refer to the following similar thread:
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/38b2bed2-9d4e-48d4-a33f-1d9eed1c062d/flat-file-to-sql-server?forum=sqldatamining
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

Replication of table from Oracle 10g to sql server 2000

Could i replicate table from Oracle 10g to sql server online. we have tables with same configuration and if any change happen in oracle 10g or sql server in that table we need to replicate that change to other database.
What is the solution for this two way replication between sql server and Oracle 10g

But the tutorial is saying that i will have to install Oracle database on the server already having sql server, is it client or whole database, if it is then it will acquire lot of resource.
I want to find out that for Heterogenous Service ODBC, we need third party software for ODBC Driver of SQL SERVER for Linux and secondly if we use Transparent Gateway then what are the steps for its configuration.
I could not find steps of configuration of Transoparent gateway, when i am trying to install Transparent gateway from Universal installer, it is not there. where do i find it , Do i need to purchase it too.

Regarding database migration from Oracle to MS SQL

Hi All,
In my application, the existing database is oracle. we need to migrate from Oracle db to MS SQL.
We need procedure is as below
1.export data from Oracle and keep it in a file.(.dmp)
2.Import data to MS SQL from the exported oracle file.
and vice versa from MS SQL to Oracle.
my question is- is it possible to import .bmp (oracle export data) into MS SQL.
Please clarify me.

There are couple of options to get data from Oracle to MS SQL.
The simplest is to create a linked server in MS SQL that points to Oracle and copy data with a query like select * into my_mssqlTable from oracle.schema.table; via the linked server.
Some data types will not be supported.
That is for one time copy.
If you need a close to real time replication you can use MS replication (I would not recommend because it creates triggers on Oracle tables), or you can use GoldenGate or DataCurrents or other replication products.

Migrating data from Oracle 9i to SQL Server 2005

I am new to both. I need to first migrate data from oracle to sql server. After this I need to create a daily nightly batch process to insert new records from oracle to sql server into that table.
As my knowledge in SQL server is zero. Can somebody help me how I can accomplish this.
Somebody told me that I can use sql server import/export to do initial data dump into sql server and after that I can create a link in in oracle to do new iserts for new records. does any one have some example on this. I will really apprecite this if someone can give me step by step example. Thanks

I have been to SQL Server training, but my SQL server databases are off the shelf system, so I don't have to muck with them. Anyway, Sql Server is just MS Access on steroids, so some of the same concepts apply. You need to create an external table links to oracle. The following tidbits I found by googling might help you.
http://www.sqlmag.com/Article/ArticleID/22264/sql_server_22264.html
http://www.lazydba.com/sql/1__152.html
http://www.sswug.org/see/35034
http://decipherinfosys.wordpress.com/2007/07/16/linked-servers-in-sql-server/
Some of the above require subscriptions (free and or paid). Hope this helps.

Generic Connectivity from Oracle 10gR2 to SQL Server using ODBC

Hi,
I have setup an ODBC generic connection from an Oracle 10.2 database (on Win 2000) to a SQL Server database (on a different Windows machine). When I query a column which is of LONG data type (TEXT on SQL Server) my session just hangs, no data or errors are returned, trace file just ends showing the SQL statement I entered, but no errors.
If I query other columns with CHAR, DATE, NUMBER datatypes the rows are returned successfully. As far as I can see from the documentation, the TEXT data type in SQL Server should map to SQL_LONGVARCHAR in ODBC, then that should map to LONG in Oracle, so I wouldnt have thought it was an incompatible data mapping issue.
I hear that LONG is being replaced/deprecated in Oracle, but is it now not supported by the HS ODBC program provided with 10g Rel 2? Has anyone else had a similar problem and found a workaround? Any help is much appreciated.
Kieren.

Hi,
HSODBC is not supported on Windows x64. So that's why you get the error ORA-28545
What you can do is to install DG4ODBC 11g on a 32bit machine.
DG4ODBC can be installed separately from the Oracle Server, for example on the SQL SERVER if you can.
But it is supported only in 32 bit too.
You can download from this website:
http://www.oracle.com/technology/software/products/database/oracle11g/111060_win32soft.html
==>Oracle Database Gateways 11g Release 1 (11.1.0.6.0) for Microsoft Windows (32-bit)
The last option would be to create a virtual machine on your X64 machine with a Windows 32bit and DG4ODBC 11g.
Please let me know if you have any question.
Regards,
Mireille

Data Import from Oracle Dump to SQL Server(2000/2005)

Hi Friends,
I'm using Oracle 10g.
I've a scenario.
I've Oracle Dump file. Now i would like import in SQL Server(2000/2005).
Can any one suggest me how to do this?
Any idea,clue will be highly appreciated.

I think you will need to import the data into SQL Server from an ASCII flat file using SQL Server DTS if avialable. You can use SQL Plus to extract the data outof Oracle into comma delimited flat files and then use SQL Server DTS load into the SQL Server database.

Migration from MS access to sql server

Hi,
I need to move e-manager db from a MS Access to a SQL server.
I succeeded in moving all tables, relations and views but I run into problems when executing the view lTestCases_Requirement .
I get a sql execution error due to a data type conversion error:
"Error msg: Conversion failed when converting the nvchar value 'failed' to data type int." (complete error msg attached)
The error is probably in the referred view vTestCase.
Do yo have any tips on how to handle this,. If I use the SQL server with this error It won't work probably.
How can I solve this issue? I really need to migrate to SQL server.
/Jakob

Hello LDAP,
This doc here might help..It describes the procedure that needs to be followed in order to convert your current MS Access based e-Load database to a SQL Server based database.
http://qazone.empirix.com/entry.jspa?externalID=44&categoryID=44
(you will need to use your QAZone account to read it)
-----Marina

XML output from oracle equivalent to sql server

Hi,
I need an equivalent sql server 2005 equivalent output from oracle.
Tried with DBMS_XMLGEN.getxml, xforest etc. But I am not able to get desired output.
Could anyone help me in giving a hint to do so.
Here below i am pasting sql server 2005 query and output, oracle query and output.
SELECT top 5
P.process_id AS Ppid,
P.name AS Pn,
P.group_id AS Pg,
P.locked AS Pl,
P.build AS Pb,
100 AS qcount,
200 AS ocount,
PI.question_id AS PIqid,
PI.process_id AS PIpid,
PI.posx AS PIpx,
PI.posy AS PIpy,
PI.innertext AS PItext,
PI.itemtype AS PItype,
PI.linkfrom AS PIfrom,
PI.linkto AS PIto,
PI.associated AS PIas,
PI.content_id AS PIc,
PI.exitpoint1_id AS PIe1,
PI.exitpoint2_id AS PIe2,
PI.exitpoint3_id AS PIe3,
PI.resolveidentifier AS PIri,
PI.libquestion_idfk AS PIlqid,
PI.followoncall AS PIfoc,
PI.userinput AS PIui,
PI.isLocked AS PIstls,
PI.PreviousAnswer as PIPAns,
PI.VisibleToAgent as PIVAgent,
PI.RetryAttempt as PIRetry,
PI.Tags as PITag,
PO.option_id AS POoid,
PO.question_id AS POqid,
PO.process_id AS popid,
PO.posx AS POpx,
PO.posy AS POpy,
PO.opt_innertext AS POtext,
PO.opt_linkfrom AS POfrom,
PO.opt_linkto AS POto,
PO.libquestion_idfk AS POlqid,
PO.liboption_idfk AS POloid
FROM
dbo.processes_ec AS P WITH (nolock) INNER JOIN
dbo.vw_ProcessesQuestions_Simulator_v6 AS PI WITH (nolock)
ON P.process_id = PI.process_id LEFT OUTER JOIN
dbo.vw_ProcessesOptions_Simulator_v6 AS PO WITH (nolock)
ON PI.question_id = PO.question_id AND PI.process_id = PO.process_id
ORDER BY Ppid, PIqid, POoid ASC
FOR XML AUTO, ELEMENTS
O/P
<P>
<Ppid>450</Ppid>
<Pn>CBB1015 - Router Firewall Settinngs Process</Pn>
<Pg>9</Pg>
<Pl>0</Pl>
<Pb>5</Pb>
<qcount>100</qcount>
<ocount>200</ocount>
<PI>
<PIqid>1</PIqid>
<PIpid>450</PIpid>
<PIpx>366</PIpx>
<PIpy>-516</PIpy>
<PItext>CBB1015 - Router Firewall Settinngs Process</PItext>
<PItype>Title</PItype>
<PIto>2</PIto>
<PO />
</PI>
<PI>
<PIqid>2</PIqid>
<PIpid>450</PIpid>
<PIpx>366</PIpx>
<PIpy>-437</PIpy>
<PItext>Is the customers PC Firewall turned off?</PItext>
<PItype>Question</PItype>
<PIfrom>1</PIfrom>
<PIto>2.2,2.1</PIto>
<PO>
<POoid>1</POoid>
<POqid>2</POqid>
<popid>450</popid>
<POpx>-50</POpx>
<POpy>70</POpy>
<POtext>Yes</POtext>
<POto>5</POto>
</PO>
<PO>
<POoid>2</POoid>
<POqid>2</POqid>
<popid>450</popid>
<POpx>50</POpx>
<POpy>70</POpy>
<POtext>No</POtext>
<POto>3</POto>
</PO>
</PI>
<PI>
<PIqid>3</PIqid>
<PIpid>450</PIpid>
<PIpx>468</PIpx>
<PIpy>-344</PIpy>
<PItext>Advise the customer to turn off the PC Firewall in order to continue. Has this been done?</PItext>
<PItype>Question</PItype>
<PIfrom>2.2</PIfrom>
<PIto>3.2,3.1</PIto>
<PIc>278</PIc>
<PO>
<POoid>1</POoid>
<POqid>3</POqid>
<popid>450</popid>
<POpx>-50</POpx>
<POpy>70</POpy>
<POtext>Yes</POtext>
<POto>5</POto>
</PO>
<PO>
<POoid>2</POoid>
<POqid>3</POqid>
<popid>450</popid>
<POpx>50</POpx>
<POpy>70</POpy>
<POtext>No</POtext>
<POto>4</POto>
</PO>
</PI>
</P>
Oracle query and output
select DBMS_XMLGEN.getxml('select * from (SELECT
P.process_id AS Ppid,
P.name AS Pn,
P.group_id AS Pg,
P.locked AS Pl,
P.build AS Pb,
100 AS qcount,
200 AS ocount,
PI.question_id AS PIqid,
PI.process_id AS PIpid,
PI.posx AS PIpx,
PI.posy AS PIpy,
PI.innertext AS PItext,
PI.itemtype AS PItype,
PI.linkfrom AS PIfrom,
PI.linkto AS PIto,
PI.associated AS PIas,
PI.content_id AS PIc,
PI.exitpoint1_id AS PIe1,
PI.exitpoint2_id AS PIe2,
PI.exitpoint3_id AS PIe3,
PI.resolveidentifier AS PIri,
PI.libquestion_idfk AS PIlqid,
PI.followoncall AS PIfoc,
PI.userinput AS PIui,
PI.isLocked AS PIstls,
PI.PreviousAnswer as PIPAns,
PI.VisibleToAgent as PIVAgent,
PI.RetryAttempt as PIRetry,
PI.Tags as PITag,
PO.option_id AS POoid,
PO.question_id AS POqid,
PO.process_id AS popid,
PO.posx AS POpx,
PO.posy AS POpy,
PO.opt_innertext AS POtext,
PO.opt_linkfrom AS POfrom,
PO.opt_linkto AS POto,
PO.libquestion_idfk AS POlqid,
PO.liboption_idfk AS POloid
FROM
processes_ec P INNER JOIN
vw_ProcessesQuestions_Sim_v6 PI
ON P.process_id = PI.process_id LEFT OUTER JOIN
vw_ProcessesOptions_Sim_v6 PO
ON PI.question_id = PO.question_id AND PI.process_id = PO.process_id
ORDER BY Ppid, PIqid, POoid ASC) where rownum<=5') from dual
O/P
<?xml version="1.0"?>
<ROWSET>
<ROW>
<PPID>450</PPID>
<PN>CBB1015 - Router Firewall Settinngs Process</PN>
<PG>9</PG>
<PL>0</PL>
<PB>5</PB>
<QCOUNT>100</QCOUNT>
<OCOUNT>200</OCOUNT>
<PIQID>1</PIQID>
<PIPID>450</PIPID>
<PIPX>366</PIPX>
<PIPY>-516</PIPY>
<PITEXT>CBB1015 - Router Firewall Settinngs Process</PITEXT>
<PITYPE>Title</PITYPE>
<PITO>2</PITO>
</ROW>
<ROW>
<PPID>450</PPID>
<PN>CBB1015 - Router Firewall Settinngs Process</PN>
<PG>9</PG>
<PL>0</PL>
<PB>5</PB>
<QCOUNT>100</QCOUNT>
<OCOUNT>200</OCOUNT>
<PIQID>2</PIQID>
<PIPID>450</PIPID>
<PIPX>366</PIPX>
<PIPY>-437</PIPY>
<PITEXT>Is the customers PC Firewall turned off?</PITEXT>
<PITYPE>Question</PITYPE>
<PIFROM>1</PIFROM>
<PITO>2.2,2.1</PITO>
<POOID>1</POOID>
<POQID>2</POQID>
<POPID>450</POPID>
<POPX>-50</POPX>
<POPY>70</POPY>
<POTEXT>Yes</POTEXT>
<POTO>5</POTO>
</ROW>
<ROW>
<PPID>450</PPID>
<PN>CBB1015 - Router Firewall Settinngs Process</PN>
<PG>9</PG>
<PL>0</PL>
<PB>5</PB>
<QCOUNT>100</QCOUNT>
<OCOUNT>200</OCOUNT>
<PIQID>2</PIQID>
<PIPID>450</PIPID>
<PIPX>366</PIPX>
<PIPY>-437</PIPY>
<PITEXT>Is the customers PC Firewall turned off?</PITEXT>
<PITYPE>Question</PITYPE>
<PIFROM>1</PIFROM>
<PITO>2.2,2.1</PITO>
<POOID>2</POOID>
<POQID>2</POQID>
<POPID>450</POPID>
<POPX>50</POPX>
<POPY>70</POPY>
<POTEXT>No</POTEXT>
<POTO>3</POTO>
</ROW>
<ROW>
<PPID>450</PPID>
<PN>CBB1015 - Router Firewall Settinngs Process</PN>
<PG>9</PG>
<PL>0</PL>
<PB>5</PB>
<QCOUNT>100</QCOUNT>
<OCOUNT>200</OCOUNT>
<PIQID>3</PIQID>
<PIPID>450</PIPID>
<PIPX>468</PIPX>
<PIPY>-344</PIPY>
<PITEXT>Advise the customer to turn off the PC Firewall in order to continue. Has this been done?</PITEXT>
<PITYPE>Question</PITYPE>
<PIFROM>2.2</PIFROM>
<PITO>3.2,3.1</PITO>
<PIC>278</PIC>
<POOID>1</POOID>
<POQID>3</POQID>
<POPID>450</POPID>
<POPX>-50</POPX>
<POPY>70</POPY>
<POTEXT>Yes</POTEXT>
<POTO>5</POTO>
</ROW>
<ROW>
<PPID>450</PPID>
<PN>CBB1015 - Router Firewall Settinngs Process</PN>
<PG>9</PG>
<PL>0</PL>
<PB>5</PB>
<QCOUNT>100</QCOUNT>
<OCOUNT>200</OCOUNT>
<PIQID>3</PIQID>
<PIPID>450</PIPID>
<PIPX>468</PIPX>
<PIPY>-344</PIPY>
<PITEXT>Advise the customer to turn off the PC Firewall in order to continue. Has this been done?</PITEXT>
<PITYPE>Question</PITYPE>
<PIFROM>2.2</PIFROM>
<PITO>3.2,3.1</PITO>
<PIC>278</PIC>
<POOID>2</POOID>
<POQID>3</POQID>
<POPID>450</POPID>
<POPX>50</POPX>
<POPY>70</POPY>
<POTEXT>No</POTEXT>
<POTO>4</POTO>
</ROW>
</ROWSET>
Any help really appreciated.
Thanks in advance

Here are the links ->
http://www.psoug.org/reference/xml_functions.html
http://www.psoug.org/reference/dbms_xmlgen.html
http://www.adp-gmbh.ch/ora/sql/xmlelement.html
http://www.oracle-base.com/articles/9i/SQLXML9i.php
http://download.oracle.com/docs/cd/B10500_01/appdev.920/a96620/toc.htm
Regards.
Satyaki De

Moving table from oracle 10g to sql server 2005 plz help!!!

Hi All,
I have a table in oracle that i have to move to sql server.
I have exported the table and the dmp file is around 150 MB.
I do not know how to import this file into sql server.
Can some one kindly update me as to which is the best way to do this,
i know the best people to answer this would be the sql server techs but just wanted to try my luck on OTN.
regards,

Hello,
you could use the Database Gateway for MS SQL Server, create a database link that uses the gateway, and then transfer the data from Oracle to SQL Server using in SQLPlus a command like the following:
copy from scott/tiger@ora102 -
insert TEST1@dg4msql -
using select * from test1@ora102 ;
Another solution is using a PL/SQL block, and how to do it is described in the following note in My Oracle Support:
"Insert Into Remote Table Select * From Local Table" Gives Error ORA-02025 Using DG4MSQL (Doc ID 790572.1)
I don't know whether it is the "best way to do it", but it is an alternative.
For inserting a flat file into SQL Server you really need to check with Microsoft. Or you can use 3rd party software: http://www.dbload.com/
Best regards
Wolfgang

Transfer data from Oracle 7 to SQL server 2005

Hello guys,
I am new in Oracle and I need some help from you:
I have an Oracle database 7 and I need to transfer some tables into MS SQL Server 2005.
Is there any ORACLE utility (compatible with ver 7) to help me in this task?
If not, what is the way to trasfer data from a Oracle database 7 to SQL Server 2005?
Thank in advance

SQL Server can access Oracle database via the Linked Database feature however I do not know if you could find a Oracle 7 database compatiable Oracle client to use with a SQL Server 2005 database. i would not even try to configure this.
What I suggest is you use SQLPlus to spool out delimited data into flat files, copy/FTP etc ... those flat files to your SQL Server box, and use BCP to load the data into SQL Server.
There have been numberous posts of generating delimited flat files from Oracle data posted here on the forum but here is one method that will work on version 7:
How do I export a database table to a flat file ?
http://www.jlcomp.demon.co.uk/faq/flatfile.html
HTH -- Mark D Powell --

Data transfer from Oracle table to Sql Server

Hi Friends,
How can we transfer the data of one table from Oracle to Sql Server and keep refresh it everyday monrning 10 a.m?

Also see:
http://technet.oracle.com/docs/products/oracle8i/doc_library/817_doc/server.817/a76960/hs_genco.htm#173
And from Tom Kyte:
...you could put the MS SQL server jdbc driver into the oracle database. then a
java stored procedure can open a connection to MS. This connection would not
have 2 phase commit abilities, distributed query or anything but would let you
query data from there and update it as well.

Urgent:db link from oracle 10g to sql server 2000

Hi
I have a db link 10g from oracle to sql server 2000. This was created a couple of years ago. This is working.
I have now created another db link from same oracle server to the same sql server but it is not working.
But I am getting ORA-28500 and IM002 error
.Please advise.
I am unable to understand what is wrong because I have followed the hs odbc set up on this db link in the same way as I had done 2 yrs ago.
Thanks
Shailaja

Just sorted the problem.
Basically I am using HSODBC to communicate from Oracle (on windows 2003 64 bit) to SQL Server.
To do this, I need to create a ODBC connection from Oracle to SQL Server.
HSODBC is a 32 bit application and hence we have to use the ODBC 32 bit driver when we create the ODBC connection.
When I created the ODBC connection from Oracle to SQL Server, I was using the ODBC 64 bit driver and hence the system was unable to find the data source name.
I have now created ODBC connection from Oracle to SQL Server using the ODBC 32 bit driver and everything works fine now.
No offence to anyone but as you all work using Oracle software , I was hoping a better response than some of the above responses. You can just say that you didnt understand the question or you dont know the reason why that happened.
I just listed how the problem was sorted so that any one in future having the same problem can benefit.

OBIEE 11g, Informatica and DAC: Migrating from Oracle DB to SQL Server?

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