SQL> create or replace procedure p_find_question_by_title(v_title varchar2,o_result out sys_refcursor)
2 --在线答疑显示所有问题
3
4 --显示的列：学段，科目,题目内容,提问者，浏览数，状态，更新时间
5 --涉及到的表：问题信息,问题统计信息,学段科目信息
6 as
7 v_sqlstr varchar2(4000);
8 begin
9 v_sqlstr:='select
10                  xk.teachstage,--学段
11                  xk.subjectname,--科目
12                  qi.question_title,--题目内容
13                  qi.question_id,--提问者
14                  qs.browse_count,--浏览数
15                  qi.question_status,--状态
16                  qs.latest_update_time --更新时间
17            from Q_QUESTIONINFO qi,Q_QUESTION_STAT qs,E_SUBJECTINFO xk
18            where qi.questionid=qs.questionid and qi.subject_id=xk.subjectid
19            where question_title like ":title"
20            ';
21 open o_result for v_sqlstr using v_title;
22
23 end;
24 /

Procedure created.

SQL> var x refcursor;
SQL> exec p_find_question_title('zxy',:x);
BEGIN p_find_question_title('zxy',:x); END;

*
ERROR at line 1:
ORA-06550: line 1, column 7:
PLS-00201: identifier 'P_FIND_QUESTION_TITLE' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored

SQL> exec p_find_question_title('zxy',:x);
BEGIN p_find_question_title('zxy',:x); END;

*
ERROR at line 1:
ORA-06550: line 1, column 7:
PLS-00201: identifier 'P_FIND_QUESTION_TITLE' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored

SQL> exec p_find_question_by_title('zxy',:x);
BEGIN p_find_question_by_title('zxy',:x); END;

*
ERROR at line 1:
ORA-00933: SQL command not properly ended
ORA-06512: at "PD.P_FIND_QUESTION_BY_TITLE", line 21
ORA-06512: at line 1

小结：

1，创建存储过程成功，只是说明创建存储过程的语法是成功的

2，不会验证存储过程内部的业务处理逻辑的sql是否正常,是否可以成功执行

3,所以一定在创建成功后，要手工调用，进行调试排错，最好显式执行下存储过程的sql是否成功执行

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创建存储过程小提示tip_plsql_小经验

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