例:(ORACLE数据库)
(
select field_name
from all_tables
where table_name='TAB1'
intersect
select field_name
from all_tables
where table_name='TAB2'
)
minus
(
select field_name
from all_tables
where table_name='TAB1'
intersect
select field_name
from all_tables
where table_name='TAB2'
)
(
select field_name
from all_tables
where table_name='TAB1'
intersect
select field_name
from all_tables
where table_name='TAB2'
)
minus
(
select field_name
from all_tables
where table_name='TAB1'
intersect
select field_name
from all_tables
where table_name='TAB2'
)
解决方案 »
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