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select o.object_name,c.comments
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left outer join user_tab_comments  c
on o.object_name=c.table_name
where object_type='TABLE'
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select c.table_name,o.column_name,o.data_type,o.data_length,c.comments
from user_tab_columns o
left outer join user_col_comments c
on o.TABLE_NAME=c.table_name
and  o.COLUMN_NAME=c.column_name
where o.table_name like upper('OM_ORGANIZATION%')


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