oracle 动态查看表字段
select a.COLUMN_NAME || '(' || a.data_type || ')'as data_type,t.comments|| '(' || a.COLUMN_NAME || ')'as filed
from user_col_comments t,user_tab_columns a
where t.table_name = upper('owt_blocdel')
and t.table_name =a.TABLE_NAME
and t.column_name =a.COLUMN_NAME
orderby column_id
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