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OracleÖеĴ洢¹ý³ÌºÍÓαê:
select myFunc(²ÎÊý1,²ÎÊý2..) to dual; --¿ÉÒÔÖ´ÐÐһЩҵÎñÂß¼­
Ò»:OracleÖеĺ¯ÊýÓë´æ´¢¹ý³ÌµÄÇø±ð:
A:º¯Êý±ØÐëÓзµ»ØÖµ,¶ø¹ý³ÌûÓÐ.
B:º¯Êý¿ÉÒÔµ¥¶ÀÖ´ÐÐ.¶ø¹ý³Ì±ØÐëͨ¹ýexecuteÖ´ÐÐ.
C:º¯Êý¿ÉÒÔǶÈëµ½SQLÓï¾äÖÐÖ´ÐÐ.¶ø¹ý³Ì²»ÐÐ.
ÆäʵÎÒÃÇ¿ÉÒÔ½«±È½Ï¸´ÔӵIJéѯд³Éº¯Êý.È»ºóµ½´æ´¢¹ý³ÌÖÐÈ¥µ÷ÓÃÕâЩº¯Êý.
¶þ:ÈçºÎ´´½¨´æ´¢¹ý³Ì:
A:¸ñʽ
create or replace procedure <porcedure_name>
[(²ÎÊýÃû²ÎÊýÀàÐÍÒÔ¼°ÃèÊö,....)] ---×¢Òâ,ûÓзµ»ØÖµ
is
[±äÁ¿ÉùÃ÷]
begin
[¹ý³Ì´¦Àí];----------null;
exception
when Òì³£Ãû then
end;
×¢Òâ:²ÎÊýÖÐĬÈÏÊǰ´Öµ´«µÝ.ÊÇin·½Ê½.Ò²¿ÉÒÔÊÇoutºÍin out·½Ê½.ÕâÐ©ÌØµãºÍº¯ÊýÒ»Ñù.
B:¾ÙÀý1:
create or replace procedure myPro----create or replace proc myPro ³ö´í ²»Äܼòд
(a in int:=0,b in int:=0)
is
c int:=0;
begin
c:=a+b;
dbms_output.put_line('C is value'||c);
end;
Ö´ÐÐ:
execute myPro(10,20); ---ÔÚSql ServerÖÐ.Ö´Ðд洢¹ý³ÌÊDz»ÐèÒªÀ¨»¡µÄ.×¢Ò⠷ֺŲ»Òªµ÷ÁË.
exec myPro(10,20); --¿ÉÒÔ¼òд
C:¾ÙÀý2:
Èç¹ûÔÚÒ»¸öº¯ÊýÀïÃæ°üº¬SelectÓï¾äµÄ»°,ÄÇô¸ÃSelectÓï¾ä±ØÐëÓÐinto,¹ý³ÌͬÑùÒ²ÐèÒª.
create or replace procedure myPro1
(a int:=0,b int:=0)
is
c int:=0;
begin
select empno+a+b into c from emp where ename='FORD';
dbms_output.put_line('C is values '||c);
end;
Ö´ÐÐ:
execute myPro1(10,20)
D:¼ÙÈçÔÚÒ»¸ö¹ý³ÌÀïÃæÒª·µ»ØÒ»¸ö½á¹û¼¯£¬Ôõô°ì?´ó¼Ò×¢Òâ.¾Í±ØÐëÒªÓõ½ÓαêÁË!ÓÃÓαêÀ´´¦ÀíÕâ¸ö½á¹û¼¯.
create or replace procedure Test
(
varEmpName emp.ename%type
)
is begin ------»á±¨´í.´íÎóÔ­ÒòûÓÐinto×Ó¾ä.
select * from emp where ename like '%'||varEmpName||'%';
end;
Õâ¸ö³ÌÐòÎÒÃÇÎÞ·¨ÓÃinto£¬ÒòΪÔÚOracleÀïÃæÃ»ÓÐÒ»¸öÀàÐÍÈ¥½ÓÊÜÒ»¸ö½á¹û¼¯.Õâ¸öʱºòÎÒÃÇ¿ÉÒÔÉùÃ÷Óαê¶ÔÏóÈ¥½ÓÊÜËû.
PL/SQLÓαê:
A:·ÖÀà:
1:ÒþʽÓαê:·ÇÓû§Ã÷È·ÉùÃ÷¶ø²úÉúµÄÓαê. Äã¸ù±¾¿´²»µ½cursorÕâ¸ö¹Ø¼ü×Ö.
2:ÏÔʾÓαê:Óû§Ã÷ȷͨ¹ýcursor¹Ø¼ü×ÖÀ´ÉùÃ÷µÄÓαê.
B:ʲôÊÇÒþʽÓαê:
1:ʲôʱºò²úÉú:
»áÔÚÖ´ÐÐÈκκϷ¨µÄSQLÓï¾ä(DML---INSERT UPDATE DELETE DQL-----SELECT)ÖвúÉú.Ëû²»Ò»¶¨´æ·ÅÊý¾Ý.Ò²ÓпÉÄÜ´æ·Å¼Ç¼¼¯ËùÓ°ÏìµÄÐÐÊý.
Èç¹ûÖ´ÐÐSELECTÓï¾ä,Õâ¸öʱºòÓαê»á´æ·ÅÊý¾Ý.Èç¹ûÖ´ÐÐINSERT UPDATE DELETE»á´æ


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Copyright (c) 1991, 2005, Oracle. All rights reserved.
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oracleѹÁ¦²âÊÔÖ®orastress!


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c:>sqlplus user/pwd@db
sql>@new.sql
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