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Oracle 12c Row chaining on tables with 255+ columns

edited Oct 6, 2016 7:00AM in Database Tuning (MOSC) 12 commentsAnswered

Greetings,

Our data warehouse has a number of tables with 255+ columns.  Because of this chained rows are unavoidable.  We cannot at this time break the tables up into smaller objects.  We thought Adv Compression might help but that does not work with these wide tables.   Outside of restructuring the tables what options do I have to improve reads and transaction access for these objects?  Should I consider moving them to tablespaces with larger blocks.  I am looking for a method that will help us get the most we can under the circumstances.

Thank you.

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