oracle ´æ´¢¹ý³ÌʵÀý
/*²»´øÈκβÎÊý´æ´¢¹ý³Ì(Êä³öϵͳÈÕÆÚ)*/
create or replace procedure output_date is
begin
dbms_output.put_line(sysdate);
end output_date;
/*´ø²ÎÊýinºÍoutµÄ´æ´¢¹ý³Ì*/
create or replace procedure get_username(v_id in number,v_username out varchar2)
as
begin
select username into v_username from tab_user where id = v_id; --±äÁ¿¸³Öµ
exception
when no_data_found then
raise_application_error(-20001,'ID²»´æÔÚ!');
end get_username;
Ïà¹ØÎĵµ£º
Oracle SQLÓëANSI SQLÇø±ð
ÏàÐÅ´ó¼Ò¶¼Ê¹ÓùýSQL SERVER¡£½ñÌì¸ø´ó¼Ò¼òµ¥½éÉÜÒ»ÏÂOracle SQLÓëANSI SQLÇø±ð¡£Æäʵ£¬SQL SERVERÓëÓëANSI SQLÒ²ÓÐÇø±ð¡£
1¡¢Ê×ÏÈ´ó¼ÒÒªÃ÷°×ʲôÊÇANSI
ANSI£ºÃÀ¹ú¹ú¼Ò±ê׼ѧ»á£¨American National Standards Institute£©¡£µ±Ê±£¬ÃÀ¹úµÄÐí¶àÆóÒµºÍרҵ¼¼ÊõÍÅÌ壬ÒÑ¿ªÊ¼Á˱ê×¼»¯¹¤×÷£¬µ«Òò±Ë ......
SELECT * from ALL_SOURCE
where TYPE='PROCEDURE' AND TEXT LIKE
'%0997500%';
--²éѯALL_SOURCEÖУ¬£¨½Å±¾´úÂ룩ÄÚÈÝÓë0997500Ä£ºýÆ¥ÅäµÄÀàÐÍΪPROCEDURE£¨´æ´¢¹ý³Ì£©µÄÐÅÏ¢¡£
¸ù¾ÝGROUP
BY TYPE
¸ÃALL_SOURCEÖÐÖ»ÓÐÒÔÏÂ5ÖÖÀàÐÍ
1 FUNCTION
2 JAVA
SOURCE
3 PACKAGE
4 P ......
¸ù¾Ý±í½á¹¹Éú³ÉJavaÎļþµÄ¹¤¾ß£¬ÔÚÈ¡µÃ±íµÄ×Ö¶ÎʱÈçºÎÈ¡µÃ±íµÄ¸÷ÖÖÐÅÏ¢ºÍ×¢ÊÍ£¬¾¶à·½ËÑѰÕÒµ½ÈçÏÂ×ÊÁϱ¸Ó㺠oracle£º
user_tab_comments;±í×¢ÊÍ
user_col_comments;±í×Ö¶Î×¢ÊÍ
Ò ......
http://hi.baidu.com/wzbg/blog/item/005f9c098e31a12f6b60fbfb.html
Oracle±í½éÉÜ--Ë÷Òý×éÖ¯±í
2010-01-12 16:03
Ë÷Òý×éÖ¯±í(IOT)²»½ö¿ÉÒÔ´æ´¢Êý¾Ý£¬»¹¿ÉÒԴ洢Ϊ±í½¨Á¢µÄË÷Òý¡£Ë÷Òý×éÖ¯±íµÄÊý¾ÝÊǸù¾ÝÖ÷¼üÅÅÐòºóµÄ˳Ðò½øÐÐÅÅÁеģ¬ÕâÑù¾ÍÌá¸ßÁË·ÃÎʵÄËÙ¶È¡£µ«ÊÇÕâÊÇÓÉÎþÉü²åÈëºÍ¸üÐÂÐÔÄÜΪ´ú¼ÛµÄ(ÿ´ÎдÈëºÍ¸üкó¶¼Òª ......
·ÖÒ³²éѯ¸ñʽ£º
SELECT * from
(
SELECT A.*, ROWNUM RN
from (SELECT * from TABLE_NAME) A
WHERE ROWNUM <= 40
)
WHERE RN >= 21
ÆäÖÐ×îÄÚ²ãµÄ²éѯSELECT * from TABLE_NAME±íʾ²»½øÐзҳµÄÔʼ²éѯÓï¾ä¡£ROWNUM <= 40ºÍRN >= 21¿ØÖÆ·ÖÒ³²éѯµÄÿҳµÄ·¶Î§¡£
ÉÏÃæ¸ø³öµÄÕâ¸ö·ÖÒ ......