PL/SQL编程重点语句输出整理

 1 create or replace procedure pr_mytest is
 2 
 3 
 4 
 5 v_test number(8) :=123;
 6 v_char varchar2(10):=‘数据库‘;
 7 c_changl constant number(12,2) :=3.14;
 8 v_bm t_hq_ryxx.bum%type;    
 9 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
10 (
11 v_xingm t_hq_ryxx.xingm%type,
12 v_xingb t_hq_ryxx.xingb%type,
13 v_gongz number(10,2)
14 );
15 
16 v_ry ty_ry;         --声明这种记录类型的变量
17 
18 v_ryrow t_hq_ryxx%rowtype;  --表的所有字段
19 
20 
21 
22 
23 begin
24   
25 v_char :=‘你好‘;
26 --c_chang1 := 12.45;
27 
28 select count(1) into v_test from t_hq_ryxx;
29 dbms_output.put_line(v_char ||‘,测试存储过程,记录条数=‘||v_test);
30 
31 select bum into v_bm from t_hq_ryxx  where rownum = 1;
32 dbms_output.put_line(v_char ||‘,测试存储过程,记录条数=‘||v_bm);
33 
34 select xingm,xingb,gongz into v_ry from t_hq_ryxx  where rownum = 1;
35 dbms_output.put_line(‘记录类型=‘ || v_ry.v_xingm || ‘ ‘|| v_ry.v_xingb ||‘ ‘||v_ry.v_gongz);
36 
37 select * into v_ryrow from t_hq_ryxx  where rownum = 1;
38 dbms_output.put_line(‘行记录类型=‘ || v_ryrow.xingm || ‘ ‘|| v_ryrow.xingb ||‘ ‘||v_ryrow.gongz|| ‘ ‘||v_ryrow.nianl);
39 
40 
41 
42 
43 end pr_mytest;