Oracle to SQL Server: EF6 or stored procedures?

I have a Windows program for which I have successfully generated entity objects for both my source database (Oracle) and different entitles for my target  database (SQL Server). But it's not so simple a decision to use EF6.

I have stored procedures from a similar port which was done some time ago. But given this is from Oracle to SQL Server versus from SQL Server to SQL Server, I need to ask about this.

How  does one move data from Oracle to SQL Server without using an interim format, like csv or XML?

Thanks,
newbiewebSr. Software EngineerAsked:
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ste5anSenior DeveloperCommented:
SSIS..
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sdstuberCommented:
you can create linked tables in sql server pointing to oracle,  then you can either push data from sql server to oracle,  or pull data from oracle to sql server.

alternately you could use pass through queries to pull data from oracle and push into oracle.


or

using heterogeneous gateway you can create db links from oracle to sql server  then you can push from oracle to sql server or pull from sql server to oracle.

http://www.experts-exchange.com/articles/9850/Configuring-and-using-Oracle-Database-Gateway-for-ODBC.html

in any version you would use a stored procedure,  in the first two examples a t-sql proc,  in the last a pl/sql proc
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
I pulled this off in SSIS a couple of times.  Once you get past installing the Oracle drivers on whatever boxes are for SSIS dev/prod, mapping Oracle source to SQL target and then scheduling is a relative breeze.

BUT, this creates a feed, which needs to be maintained.
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newbiewebSr. Software EngineerAuthor Commented:
thanks
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Thanks for the split, as this gets me over two million in the SQL Server zone.  Good luck with your project.  -Jim
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newbiewebSr. Software EngineerAuthor Commented:
Wow! Congrats!
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