也许是这里:raise_application_error(-20508,'Don't decrease salary');
引号问题try:
create or replace trigger check_sage
before update of sage on s
for each row
when(new.sage<old.sage)
begin
raise_application_error(-20508,'Don''t decrease salary');
end;
引号问题try:
create or replace trigger check_sage
before update of sage on s
for each row
when(new.sage<old.sage)
begin
raise_application_error(-20508,'Don''t decrease salary');
end;
解决方案 »
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