oracle ora-00997 problems

-----原始郵件-----
發件人: Harrison Jiang
傳送時間: 2005年4月19日 13:11
收件人: Lis Li
主題: all_tab_columns

select a.column_name,a.data_type,a.data_length,a.nullable,a.data_default,b.data_type,b.data_length,b.nullable,b.data_default
from all_tab_columns a,all_tab_columns@acmtest b
where a.owner = 'BQY'
and b.owner = 'BQY'
and a.table_name = 'MBM'
and b.table_name = 'MBM'
and a.column_name = b.column_name
and ((a.data_type <> b.data_type) or (a.data_length <> b.data_length) or (a.nullable <> b.nullable) or (a.data_default<>b.data_default))

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