tmp.sql

来自「oracle9i+j2ee开发aq oracle9i+j2ee开发aq or」· SQL 代码 · 共 10 行

declare 
n number;
begin
	select a into n from temp where a = 4;
	exception
		when NO_DATA_FOUND then
			dbms_output.put_line('no_row');
end;
/