Oracle µÄdrop table if exists¹¦ÄÜ
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create or replace procedure proc_dropifexists(
p_table in varchar2
) is
v_count number(10);
begin
select count(*)
into v_count
from user_objects
where object_name = upper(p_table);
if v_count > 0 then
execute immediate 'drop table ' || p_table ||' purge';
end if;
end;
/
--µ÷ÓÃ
exec proc_dropifexists('mytable');
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