ÔÚOracleÖÐʹÓÃGuid
ÔÚOracleÖÐʹÓÃGuid
ÔÚOracleÖпÉÒÔÓÃSYS_GUID()À´Éú³ÉÒ»¸öguid,Ï൱ÓÚmsSqlÖеÄnewid()¡£
ÔÚOracle9iºÍOracle 10g ÀïSYS_GUID²úÉúµÃµ½µÄÊý¾ÝÊÇ32 λµÄ£¬È磺234E45F0077881AAE0430AA3034681AA
µ«OracleÖеÄguidÓëmsSqlÖеÄguid¸ñʽ²»ÍêÈ«Ïàͬ¡£
½«OracleÖеÄguid·Ö¸î³ÉΪ Windowsϵͳ ObjectId µÄ¸ñʽ£º{8-4-4-4-12} £¬ÏÂÃæ¸ø³öÁ½ÖÖ½â¾ö·½·¨£º
¡¡¡¡·½·¨Ò»£ºÀûÓÃsubstr½øÐзָ·Ç³£¼òµ¥£¬¾ßÌå´úÂëÈçÏ£º
¡¡¡¡/**
¡¡¡¡* ´´½¨ÏµÍ³Object Id ¸ñʽµÄ×Ö·û´®£¬·µ»ØµÄ½á¹ûÈçÏ£º{234E45F0-077A-81AA-E043-0AA3034681AA}
¡¡¡¡*/
¡¡¡¡function CreateGUID return varchar2
¡¡¡¡is
¡¡¡¡guid varchar(64);
¡¡¡¡begin
¡¡¡¡guid := SYS_GUID();
¡¡¡¡return
¡¡¡¡'{'||substr(guid,1,8)||'-'||substr(guid,9,4)||
¡¡¡¡'-'||substr(guid,13,4)||'-'||substr(guid,17,4)
¡¡¡¡||'-'||substr(guid,21,12)||'}';
¡¡¡¡end CreateGUID;
¡¡¡¡·½·¨¶þ£ºÀûÓÃCONCATº¯Êý½øÐÐÁ¬½Ó£¬¾ßÌå´úÂëÈçÏ£º
¡¡¡¡CREATE OR REPLACE FUNCTION AILDM_GET_GUID
RETURN CHAR
IS
v_guid CHAR (36);
v_guid_part_one CHAR (8);
v_guid_part_two CHAR (4);
v_guid_part_three CHAR (4);
v_guid_part_four CHAR (4);
v_guid_part_five CHAR (12);
BEGIN
SELECT SYS_GUID ()
INTO v_guid
from DUAL;
v_guid_part_one := SUBSTR (v_guid, 0, 8);
v_guid_part_two := SUBSTR (v_guid, 8, 4);
v_guid_part_three := SUBSTR (v_guid, 12, 4);
v_guid_part_four := SUBSTR (v_guid, 16, 4);
v_guid_part_five := SUBSTR (v_guid, 20, 12);
v_guid :=
CONCAT
(CONCAT
(CONCAT
(CONCAT (CONCAT (CONCAT (CONCAT (CONCAT (v_guid_part_one,
&n
Ïà¹ØÎĵµ£º
SQLServerºÍOracleÊÇ´ó¼Ò¾³£Óõ½µÄÊý¾Ý¿â£¬ÔÚ´Ë×ܽá³öÕâЩ³£Óú¯ÊýÒÔ¹©
´ó¼Ò²Î¿¼¡£
Êýѧº¯Êý
¡¡¡¡1.¾ø¶ÔÖµ
¡¡¡¡S:select abs(-1) value
¡¡¡¡O:select abs(-1) value from dual
¡¡¡¡2.È¡Õû(´ó)
¡¡¡¡S:select ceiling(-1.001) value
¡¡¡¡O:select ceil(-1.001) value from dual
¡¡¡¡3.È¡Õû£¨Ð¡£©
¡¡¡¡S:s ......
2010Äê3ÔÂ5ÈÕ£¬ËäÈ»º®·ç´Ì¹Ç£¬µ«ÒÀÈ»µ²²»×¡¹«Ë¾Í¬ÊºÍÎÒ¹¤×÷µÄÈÈÇé.µÎ´ð¡¢µÎ´ð,ͬÊÂÊÖ»úÏìÁË£¬ÀÏ×ܸøËû´òµç»°£¬Ëµ¹ã¶«ÁªÍ¨ÍøÓÅƽ̨Êý¾Ý¿â³öÏÖÎÊÌ⣬ÓÉÓÚÊý¾ÝÁ¿È·Êµ¹ý´ó£¬Í¬ÊÂÒÔÇ°Ò²´¦Àí¹ýÄDZߵÄÎÊÌ⣬Ö÷ÒªÊÇËùÓÐÊý¾ÝÁ¿´óµÄ±íÿ¸ôÒ»Ì콨Á¢Ò»¸öË÷Òý£¬ÕâÑù²éѯÊý¾ÝËٶȱȽϿ졣µ«ÊǽøÐÐÊý¾Ý»ã× ......
1 - / , . ; :
"text" ʱ¼ä·Ö¸ô·ûºÅ£¬³ýÁ˱ê×¼µÄ¼¸¸ö£¬»¹ÔÊÐíÓÃÎÄ×Ö×÷Ϊ·Ö¸î·ûºÅ¡£
ÀýÈç to_char(sysdate,'YYYY"Äê"mm"ÔÂ"dd"ÈÕ"')=2008Äê04ÔÂ24ÈÕ
2 AD
A.D. ¼´À¶¡ÎÄAnno DominiµÄ¼òд£¬±íʾ¹«Ôª.»á¸ù¾ÝnlsµÄ²»Í¬×ª»»Îª¹«Ôª»òÕßadµÈ
ÎÞÌØÊâ×¢ÒâÊÂÏî
3 AM
A.M. ÉÏ ......
ORACLEÊý¾Ý¿â²åÈëÐÔÄܲâÊÔ
MKing
2010-3-8
²âÊÔ»·¾³»ù±¾ÐÅÏ¢£º
OS£ºWindows XP sp3
DB£ºOracle 9.2.0.1 δÆôÓù鵵
DBÖØ×öÈÕÖ¾Îļþ´óС£º100MB
Ó²ÅÌÐͺţºSAMSUNG HD161GJ£¨SATA-300,160G,7200rpm,8M cache£©
CPU£ºIntel Core2 E8400£¨3.0G£©
Äڴ棺2G
ͨ¹ýHD TuneµÃµ½µÄÓ²ÅÌ»ù±¾²âÊÔÐÅÏ ......
TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
32-bit Windows Error: 2: No such file or directory
½â¾ö·½·¨£º
ÒòΪÎÒʹÓõÄÊÇÐéÄâ»ú£¬ËùÒÔÔÚIPÉÏĬÈϵÄ×Ô¶¯· ......