migrating from Oracle 11g to SS 2014

  • We are migrating from oracle 11g to ss 2014, using the migration tool to move schema's and data. we are encountering an issue with data coming over cleanly. specifically; dates and numbers. Dates are coming over as NULL at least 85 % of the time and numbers are sporadically coming over as NULL.

    I'm looking for troubleshooting tips or articles related to the situation above. I have not found anything useful to-date. If someone has had a similar issue and is will to share thier solution; that would be awesome.

  • Generally in the past when I have done Oracle to SQL migrations, we migrate everything as NVARCHAR(MAX) (Yes I know over kill), into a staging database, then use functions like isdate, isnumeric etc to find out what values are failing. Its not 100% but worked for us.

    You could also try the following link https://msdn.microsoft.com/en-GB/library/ms151817.aspx for the type mapping, eg INT in oracle wants to be numeric(38) in SQL

  • Thanks, I'll give this a shot and let you know how it works out.

  • My team gave this a try, and it worked very well for us. Thanks for the help.

  • Not a problem

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