Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

oracle´æ´¢¹ý³ÌµÄÎÊÌâ

ÎÒÏÖÔÚÓÐÒ»¸ö´æ´¢¹ý³Ì
CREATE OR REPLACE Procedure p_insert_tb_user 
(
id in Number,
name in Nvarchar2,
pwd in Nvarchar2
)
as
BEGIN
insert into tb_users values (id,name,pwd);
commit;
End;

ÎÒµÄidÊÇ×ÔÔöÐòÁУ¬ÎÒÔÚµ÷ÓõÄʱºòдexec p_insert_tb_user(null,'admin','admin')»á±¨´í£¬Ð´exec p_insert_tb_user(userIdentity.nextval,'admin','admin')Ò²»á±¨´í£¬ÇëÎÊÓ¦¸ÃÒªÔõôдidÕâÁеÄֵĨ£¿Ð»Ð»¸÷λÁË£¡
ʲô´í°¡£¿£¿£¿

nullµÄʱºò±¨£ºÎÞ·¨½« NULL ²åÈë
userIdentity.nextvalµÄʱºò±¨£ºÔÚ´ËÉÏÏÂÎÄÖв»ÔÊÐí±í£¬ÊÓͼ»òÐòÁÐÒýÓà 'userIdentity.NEXTVAL'

idûÓвåÈ룬д¸öµ¥¶À¹ý³Ìµ÷ÓÃÉú³Éid,È»ºóÔÚ²åÈë

´æ´¢¹ý³Ì¸Äһϣ¬²ÎÊý²»ÄÜʹÓÃÐòÁÐ
SQL code:
CREATE OR REPLACE PROCEDURE p_insert_tb_user(NAME IN NVARCHAR2, pwd IN NVARCHAR2) AS
BEGIN
INSERT INTO tb_users VALUES (userIdentity.nextval, NAME, pwd);
COMMIT;
END;


1:
declare
v_id number;
begin
select userIdentity.nextval into v_id from dual;
exec p_insert_tb_user(v_id,'admin','admin')
end;
2:
Ð޸Ĵ洢¹ý³ÌÈçÏÂ:
CREATE OR REPLACE Procedure p_insert_tb_user  
(
name in Nvarchar2,
pwd in Nvarchar2
)
as
BEGIN
insert into tb_users values (userIdentity.nextval ,name,pwd);
commit;
End;

SQL code



Code highlighting produce


Ïà¹ØÎÊ´ð£º

oracle²¢·¢´¦ÀíSOS - Oracle / ¿ª·¢

ÎÒÔÚ¿ª·¢µÄÕâ¸öÓ¦Óò¢·¢ÐԱȽϸߣ¬oracle¸üÐÂÊý¾ÝʱºòÈçºÎ´¦Àí²¢·¢´¦ÀíÄØ£¿¸÷λ´óÏÀ·¢±íºÃµÄ¹Ûµã°¡£¬ÔÚÏߵȴý£¡
oracleÊý¾Ý¸üÐÂʱ£¬»á×Ô¶¯Ä¬ÈÏÐÐËø¶¨£¬Â¥Ö÷²»Òª²ÙÐÄ£¬Oracle¶Ô²¢Ðд¦ÀíÒѾ­ºÜ³ÉÊìÁË

ÒýÓÃ
oracle ......

oracle 9i ×î½ü·¢Ïֵǽ±¨´í - Oracle / »ù´¡ºÍ¹ÜÀí

ÓÃPL/SQL µÇ½ʱµ¯³ö±¨´í´°¿Ú£¬´íÎóÈçÏ£¡
  ORA-01034:ORACLE not available
  ORA-27101:shared memory realm does not exist
ÇëÎÊ£¬ÓÐûÓÐÈËÓöµ½ÕâÖÖÇé¿ö£¬Ôõô½â¾ö£¿Ð»Ð»£¡

1. Oracle sid ÕýÈ ......

OracleµÄblob×Ö¶ÎÎÊÌâ - Oracle / ¿ª·¢

²éÁËÒ»ÌìµÄblob£¬»¹ÊÇûÀí½âµ½£¬ÎÒÏëÔÚVCÏ´æÈ¡¶þ½øÖƵÄÎļþ£¬Ê¹ÓõÄÊÇoo4o£¬ÕÕ×ŰïÖúÎĵµÉÏÃæµÄдÁËдÈëÊý¾Ý¿âµÄ´úÂ룬»¹ÊÇûд¶Ô£¬´íÎóÌáʾÊÇthis operation is not permitted on a empty LOB£¬ÕâÊÇʲôÒâ˼°¡£¿ÕÕ ......

oracle֪ʶ - Oracle / »ù´¡ºÍ¹ÜÀí

ÔÚOracle Êý¾Ý¿âÖÐÔõô²éǰÈýÌõ¼Ç¼½µÐò£»
select * from
  (select * from table order by col_name desc)
where rownum<=3;

select * from
(
select s.*,rownum rn 
from t3 s
)
where ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ