PL/SQL编程重点语句输出整理

create or replace procedure pr_mytest is



v_test number(8) :=123;
v_char varchar2(10):='数据库';
c_changl constant number(12,2) :=3.14;
v_bm t_hq_ryxx.bum%type;    
type ty_ry is record           --复合类型里的记录类型,定义了一种新的记录类型
(
v_xingm t_hq_ryxx.xingm%type,
v_xingb t_hq_ryxx.xingb%type,
v_gongz number(10,2)
);

v_ry ty_ry;         --声明这种记录类型的变量

v_ryrow t_hq_ryxx%rowtype;  --表的所有字段




begin
  
v_char :='你好';
--c_chang1 := 12.45;

select count(1) into v_test from t_hq_ryxx;
dbms_output.put_line(v_char ||',测试存储过程,记录条数='||v_test);

select bum into v_bm from t_hq_ryxx  where rownum = 1;
dbms_output.put_line(v_char ||',测试存储过程,记录条数='||v_bm);

select xingm,xingb,gongz into v_ry from t_hq_ryxx  where rownum = 1;
dbms_output.put_line('记录类型=' || v_ry.v_xingm || ' '|| v_ry.v_xingb ||' '||v_ry.v_gongz);

select * into v_ryrow from t_hq_ryxx  where rownum = 1;
dbms_output.put_line('行记录类型=' || v_ryrow.xingm || ' '|| v_ryrow.xingb ||' '||v_ryrow.gongz|| ' '||v_ryrow.nianl);




end pr_mytest;