Good Morning Wuqi:
Please try this command on your database:
$ hgsql -e "select * from trackDb;" hg18 | grep hg16 \
| awk -F'\t' '{print $1,$2,$3}'
And see if the last line printed says:
chainSelf Self Chain chain hg16
If it does, then your trackDb table in the database hg18
is somehow mixed up. See if you can recreate the trackDb
table.
--Hiram
WANG Wuqi wrote:
> Hi Hiram,
>
>
> For hg18, we browse the track 'Self Chain' in group 'Variation and Repeats',
> When click any chromosome in left column to encounter below error:
>
> Counld't set connection database to hg16
> Unknown database 'hg16'
>
> We do not have database 'hg16.
>
> My question is that the track of 'hg18', like the track 'Self Chain' needs
> query database 'hg16'?, if so, we must download hg16.
>
> Please see attachment and give advice
>
> Thanks & regards
>
> Wuqi
>
>
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