[英]SQL syntax error at line 6
create trigger ask before update on invoice
-> for each row
-> begin
-> if(3<(select count(invoice_num) from invoice where customer_name=new.customer_name)) then
-> set new.bill_amount=new.bill_amount-((5/100)*bill_amount);
-> end;
-> $$
The proper syntax is: 正确的语法是:
if (condition) then
...
else
...
end if;
^^^----you're missing this bit
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