简单的Oracle存储过程的创建方法

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  连接到:

  Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production

  With the Partitioning, OLAP and Oracle Data Mining options

  JServer Release 9.2.0.1.0 - Production

  SQL> create or replace procedure get_news(
   2 aid in varchar2,atitle in varchar2)
   3 as
   4 begin
   5 select * from cf_news
   6 end;
   7 /

  警告: 创建的过程带有编译错误。

  SQL> create or replace procedure get_news(
   2 aid in varchar2 ,atitle in varchar2)
   3 as
   4 beging
   5 /

  警告: 创建的过程带有编译错误。

  SQL> create or replace procedure get_news(
   2 aid in varchar2)
   3 as
   4 begin
   5 select * from cf_news;
   6 end;
   7 /

  警告: 创建的过程带有编译错误。

  SQL> create or replace procedure get_news
   2 as
   3 begin
   4 select * from cf_news;
   5 end;
   6 /

  警告: 创建的过程带有编译错误。

  SQL> show errors;
   PROCEDURE GET_NEWS 出现错误:
  
   LINE/COL ERROR
   -------- -------------------------------------
   4/1   PLS-00428: 在此 SELECT 语句中缺少 INTO 子句
   SQL> create or replace procedure get_news
   2 as
   3 aa number;
   4 begin
   5 select count(*) into aa from cf_news;
   6 end;
   7 /

  过程已创建。

  SQL> create or replace procedure get_news
   2 as
   3 aa number;
   4 begin
   5 select count(*) into aa from cf_news;
   6 dbms_outpub.put_line('aa='||aa);
   7 end;
   8 /

  警告: 创建的过程带有编译错误。

  SQL> show errors;
   PROCEDURE GET_NEWS 出现错误:
  
   LINE/COL ERROR
   -------- -----------------------------------------
   6/1   PLS-00201: 必须说明标识符 'DBMS_OUTPUB.PUT_LINE'
   6/1   PL/SQL: Statement ignored
   SQL> create or replace procedure get_news
   2 as
   3 aa number;
   4 begin
   5 select count(*) into aa from cf_news;
   6 dbms_output.put_line('aa='||aa);
   7 end;
   8 /

  过程已创建。

  SQL> set serverout on;
   SQL> execute get_news;
   aa=3

  PL/SQL 过程已成功完成。



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