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CREATE DEFINER=`root`@`localhost` PROCEDURE `sp_checklogin`(
IN username varchar(100),
IN password varchar(50),
OUT result varchar(50)
)
begin
if exists (select * from student where tensv = username
and password = password) then
set result = "OK";
else
set result = "failed";
end if;
end
當我調用sp_checklogin('vyvy','123456',@ a); Result screen存儲過程MySQL
vyvy和123456是我的用戶名和傳遞DTB,工作臺沒有結果 請幫我