推荐回答(5个)
Oracle存储过程基本语法:
CREATE OR REPLACE PROCEDURE 存储过程名
IS
BEGIN
NULL;
END;
解释:
行1:
CREATE OR REPLACE PROCEDURE 是一个SQL语句通知Oracle数据库去创建一个叫做skeleton存储过程, 如果存在就覆盖它;
行2:
IS关键词表明后面将跟随一个PL/SQL体。
行3:
BEGIN关键词表明PL/SQL体的开始。
行4:
NULL PL/SQL语句表明什么事都不做,这句不能删去,因为PL/SQL体中至少需要有一句;
行5:
END关键词表明PL/SQL体的结束。
1 CREATE OR REPLACE PROCEDURE 存储过程名
2 IS
3 BEGIN
4 NULL;
5 END;
行1:
CREATE OR REPLACE PROCEDURE 是一个SQL语句通知Oracle数据库去创建一个叫做skeleton存储过程, 如果存在就覆盖它;
行2:
IS关键词表明后面将跟随一个PL/SQL体。
行3:
BEGIN关键词表明PL/SQL体的开始。
行4:
NULL PL/SQL语句表明什么事都不做,这句不能删去,因为PL/SQL体中至少需要有一句;
行5:
END关键词表明PL/SQL体的结束.
存储过程创建语法:
create or replace procedure 存储过程名(param1 in type,param2 out type)
as
变量1 类型(值范围); --vs_msgVARCHAR2(4000);
变量2 类型(值范围);
Begin
Select count(*) into 变量1 from 表A where列名=param1;
If (判断条件) then
Select 列名 into 变量2 from 表A where列名=param1;
Dbms_output。Put_line(‘打印信息’);
Elsif (判断条件) then
Dbms_output。Put_line(‘打印信息’);
Else
Raise 异常名(NO_DATA_FOUND);
End if;
Exception
When others then
Rollback;
End;
CREATE OR REPLACE PROCEDURE 名称 (入参名1 in 类型1.....入参名n in 类型n) as 或者 is
begin
过程体
EXCEPTION
WHEN OTHERS THEN
异常处理,可以省略
end
create or replace procedure (xxx)
is
xx
begin
xxx
end;
/
这个问题有人问过了,你可以搜一下的
create [or replace] pro_name [(parameter1[,parameter2]...)]is|as
begin
plsql_sentences;
[exception]
[dowith_sentences;]
end [pro_name];
pro_name:存储过程的名称;
parameter1:存储过程的参数,若是输入参数,则需要在其后指定‘in’关键字;
plsql_sentences:PL/SQL语句,它是存储过程功能实现的主体;
dowith_sentences:异常处理语句,也是PL/DQL语句,这是一个可选项;
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