Hi Ivan,

Yes, the refGene and refFlat tables have slightly different schemas but 
contain all of the same entries, and are updated at the same time. The 
refGene table is is either in genePred or extended genePred format 
(depending on which assembly you are looking at):
http://genome.ucsc.edu/FAQ/FAQformat.html#format9

The refFlat table is in a format similar to genePred, but with an extra 
geneName field at the beginning.

If you have further questions, please feel free to contact us again at 
[email protected].

--
Brooke Rhead
UCSC Genome Bioinformatics Group


On 08/21/11 00:29, Ivan Adzhubey wrote:
> Hi,
> 
> Could you please tell me what's the difference between the two tables? Is it 
> just slightly different schemas? Table Browser shows same row count for both 
> tables but refFlat description page lacks any information about source of 
> table's contents.
> 
> Thank you,
> Ivan
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