初学者请教一个很简单的存储过程
CREATE   OR   REPLACE   PROCEDURE   USP_Query_Add_PO      
 (in_User_ID   NVARCHAR2)   
 BEGIN 
 	   DELETE   FROM   T_PO_MASTER_TEMP   WHERE   USER_ID   =   in_User_ID;  	    
 	   SELECT   TPMT.PO_NUMBER,TL.PO_TYPE   AS            TYPE,TPMT.CREATE_DATE,TPMT.CUSTOMER_PO_NUMBER, 'Add   detail '   AS   dlink    
 	   FROM   T_PO_MASTER_TEMP   TPMT,T_LOOKUP   TL    
 	   WHERE   TPMT.TYPE_ID   =   TL.LOOKUP_ID 
 	   USER_ID   =   in_User_ID;  	    
 END   USP_Query_Add_PO;     
 报错啊,什么缺少into,请教了 
------解决方案--------------------oracle 存储过程的基本语法 
 1.基本结构  
 CREATE OR REPLACE PROCEDURE 存储过程名字 
 ( 
     参数1 IN NUMBER, 
     参数2 IN NUMBER 
 ) IS 
 变量1 INTEGER :=0; 
 变量2 DATE; 
 BEGIN 
 END 存储过程名字 
 2.SELECT INTO STATEMENT 
   将select查询的结果存入到变量中,可以同时将多个列存储多个变量中,必须有一条 
   记录,否则抛出异常(如果没有记录抛出NO_DATA_FOUND) 
   例子:  
   BEGIN 
   SELECT col1,col2 into 变量1,变量2 FROM typestruct where xxx; 
   EXCEPTION 
   WHEN NO_DATA_FOUND THEN 
       xxxx; 
   END; 
   ... 
 3.IF 判断 
   IF V_TEST=1 THEN 
     BEGIN  
        do something 
     END; 
   END IF; 
 4.while 循环 
   WHILE V_TEST=1 LOOP 
   BEGIN 
  XXXX 
   END; 
   END LOOP; 
 5.变量赋值 
   V_TEST := 123; 
 6.用for in 使用cursor 
   ... 
   IS 
   CURSOR cur IS SELECT * FROM xxx; 
   BEGIN 
  FOR cur_result in cur LOOP 
   BEGIN 
    V_SUM :=cur_result.列名1+cur_result.列名2 
   END; 
  END LOOP; 
   END; 
 7.带参数的cursor 
   CURSOR C_USER(C_ID NUMBER) IS SELECT NAME FROM USER WHERE TYPEID=C_ID; 
   OPEN C_USER(变量值); 
   LOOP 
  FETCH C_USER INTO V_NAME; 
  EXIT FETCH C_USER%NOTFOUND; 
     do something 
   END LOOP; 
   CLOSE C_USER; 
 8.用pl/sql developer debug 
   连接数据库后建立一个Test WINDOW 
   在窗口输入调用SP的代码,F9开始debug,CTRL+N单步调试 
------解决方案--------------------TL.PO_TYPE AS TYPE是关键字吧