Oracle儲存過程由例子到理論

oracle hr環境新增新錶

create

table
"hr"."cus_test" (
"id" 
varchar2 (255 byte) not
null
, "mobile" 
varchar2 (255 byte) null
, "name" 
varchar2 (255 byte) null
, "times" date 
null
);alter
table "hr"."cus_test" add
check ("id" is
notnull
);alter
table "hr"."cus_test" add
primary
key ("id");

create sequence autoid8 --

函式名autoid
start with2--
起始值 2
increment by2--
步長 2
minvalue 2
--最小值 2
nomaxvalue;

create

orreplace
procedure vvinstat as
begin
insert
into
"hr"."cus_test" (
"id",
"mobile",
"name",
"times"
)values
( autoid.nextval,
'18575511371',
'kamil',
sysdate
) ; 
commit
;end
;/

set serveroutput on

declare
begin
vvinstat;
end ;

create

orreplace
procedure find_emp1 (emp_no number) as emp_name varchar2 (20
) ;begin
select
ename 
into
emp_name
from
emp 
where
empno 
=emp_no ; dbms_output.put_line (
'雇員姓名：'||
emp_name
) ; exception
when no_data_found then
dbms_output.put_line (
'雇員編號沒有找到
') ;
end ;
/

set serveroutput on

declare
begin
find_emp1(
7566
);end;--
pl/sql 過程已成功完成。
--雇員姓名：jones
/*雇員編號沒有找到
*/

create

orreplace
procedure
my_proc_out (
value1 
innumber
, value2 out 
number
) is salary number
;begin
select
sal 
into
salary
from
emp 
where
empno 
=value1 ;
if salary <
8000
then
value2 :
= salary +
500 ; update
emp 
set sal =
value2
where
empno 
=value1 ;
else
value2 :
=salary ;
endif
; 
end;
/

set serveroutput on

declare v1 number :=
7566 ; v2 number
;begin
my_proc_out (v1, v2) ; dbms_output.put_line (
'v2 的值為'||
to_char (v2)
) ;end;
/

create

orreplace
procedure
test_in_out 
(v1 
in out number
,v2 
in out number)is
value1 
number:=0;
begin
value1 :
=v1;
v1 :
=v2;
v2 :
=value1;
dbms_output.put_line(
'v1:
'||v1||''
||'v2:'
||v2);
end;
/

set serveroutput on

declare
value1 
number :=
11111
;value2 
number :=
22222
;begin
test_in_out(value1,value2);
end;
/

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