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begin
for item in (select * from user_constraints a where a.constraint_type = 'R') loop
execute immediate 'alter table ' || item.table_name || ' disable constraint ' || item.constraint_name;
end loop;
end;
/
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* from table where id not in(select top((pageNo-1)*pageSize
) id from table order by id asc)
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and id>(pageNo-1)*pageSize
order by id asc
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