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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


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                  create sequence ÐòÁÐÃû
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Oracle±¨TNS 12518µÄ´íÎó

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
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Oracle and IBM AIX 5.2 swapping and memory issues

Lately,
Jordan bank upgraded their ICBS banking software to Oracle 9i and
IDS9i. The Bank also moved from a decentralized to a centralized
system.
We were contracted to monitor and diagnose performance issues during the launching phase of the new system.
The IBM server was equipped with 32 GB o ......
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