create or replace trigger tri1
after update on tab1 for each row as
begin
if :old.col1 = 2 and :new.col1 = 3 then
...
end if;
end;
/
after update on tab1 for each row as
begin
if :old.col1 = 2 and :new.col1 = 3 then
...
end if;
end;
/
解决方案 »
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