ORACLE PL/SQL基本语法 触发器 存储过程

declare
  n_age number:=12;
  o_name varchar(20);
  pi constant number:=1.32;
begin
  delete from jmonster;
  insert into jmonster values(pi,'测试',n_age);
  select name into o_name from jmonster where age = n_age;
  DBMS_OUTPUT.PUT_LINE(O_NAME);
exception
when NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('无数据');
end;

SELECT * FROM JOMSTER_VIEW_TEST;

//触发器
create or replace trigger JMONSTER_TRIGGER_TEST 
before insert on JMONSTER 
for each row 
declare 
  v_cnt integer; 
begin 
 select count(*) into v_cnt from JMONSTER; 
 dbms_output.put_line('test count:'||to_char(v_cnt)); 
 update JMONSTER set age=100; 
end; 

INSERT INTo JMONSTER VALUES(1,'123',3);

//存储过程
create or replace
PROCEDURE JMONSTER_PROCEDURE_TEST
( NAME IN VARCHAR2,ID IN NUMBER
) AS
BEGIN
  insert into JMONSTER values(321,NAME,ID);
END JMONSTER_PROCEDURE_TEST;

call JMONSTER_PROCEDURE_TEST('12321',1);

原文地址：https://www.jb51.cc/oracle/208358.html