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9.20 ½ñÌ죬°²×°oracle 9i2

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  °²×°½áÊøÊ±£¬²»ÒªÍüÁ˽«·þÎñ£¨ÓÖ»÷ÎҵĵçÄÔ£¬µã¹ÜÀí£¬µã·þÎñ£©ÖеÄOracleOraHome92TNSListener ºÍOracleServiceORACLEÉèÖóÉÊÖ¶¯Æô¶¯µÄ¡£Òª²»Äãÿ´Î¿ª»ú£¬¿ÉÒªµÈ°ëÌìÁË¡£¡£¹þ¹þ
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  Èç¹û£¬Ä㲻ϰ¹ßÓ¢ÎĵÄpl/sql developer ¿ÉÒÔÓøöÖÐÎĵIJå¼þ£¬°ÑËü·ÅÔÚ pl/sql developerĿ¼ÀïÖ±½Ó°²×°¾ÍºÃÁË
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     ÊÂÎñ¼¶µÄÁÙʱ±íÉúÃüÆÚÊÇtransaction£¬µ±ÄãµÄtransactoinûÓÐÏûÍöʱ£¬¼ÈûÓÐrollback»òÕßÊÇcommitʱ£¬ÁÙʱ±íµÄÊý¾ÝÈÔÈ»´æÔÚ£¬Ö»Óе±ÄãµÄÊÂÎñÏûÍö£¬¼Èrollback»òcommitºó£¬ÄãÁÙʱ±íµÄÊý¾Ý¾Í»áÏûÍö¡£ÊÇtransaction¼¶±ð¡£
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»á»°¼¶ÁÙʱ±í£ºCreate Global Temporary Table tableanme (col1 type1, col2 type2) On Commit Preserve Rows£»
ÊÂÎñ¼¶ÁÙʱ±í£ºCreate Global Temporary Table tableanme (col1 type1, col2 type2) On Commit Delete Rows£»
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Oracleѧϰ±Ê¼Ç£¨Ê®Ò»£©

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1.Ôö¼ÓÒ»¸öÔ±¹¤
create sequence seq1 start with 7935;
create or replace function insert_emp(
   enm emp.ename%type,  --Ô±¹¤µÄÃû×Ö
   ejob varchar2, --Ö°Îñ
   mgr number,   --Éϼ¶
   ehiredate date,--²Î¼Ó¹¤×÷ʱ¼ä
   esal number,  --¹¤×Ê
   ecomm number, --½òÌù
   dno number)        
return number
as
  a number;
begin
  --¹¤ºÅÀ´×ÔÐòÁÐ
  select seq1.nextval into a
  from dual;
  --Ôö¼ÓÁËÒ»¸öÔ±¹¤
  insert into emp values (
       a,enm,ejob,m ......

¾­µäC/C++ÃæÊÔÌâ

1.½éÉÜÒ»ÏÂSTL£¬Ïêϸ˵Ã÷STLÈçºÎʵÏÖvector¡£
Answer:
     STL (±ê׼ģ°æ¿â£¬Standard Template Library)ËüÓÉÈÝÆ÷Ëã·¨µü´úÆ÷×é³É¡£
     STLÓÐÒÔϵÄһЩÓŵ㣺
     ¿ÉÒÔ·½±ãÈÝÒ×µØÊµÏÖËÑË÷Êý¾Ý»ò¶ÔÊý¾ÝÅÅÐòµÈһϵÁеÄËã·¨£»
     µ÷ÊÔ³ÌÐòʱ¸ü¼Ó°²È«ºÍ·½±ã£»
     ¼´Ê¹ÊÇÈËÃÇÓÃSTLÔÚUNIXƽ̨ÏÂдµÄ´úÂëÄãÒ²¿ÉÒÔºÜÈÝÒ×µØÀí½â£¨ÒòΪSTLÊÇ¿çÆ½Ì¨µÄ£©¡£
     vectorʵÖÊÉϾÍÊÇÒ»¸ö¶¯Ì¬Êý×飬»á¸ù¾ÝÊý¾ÝµÄÔö¼Ó,¶¯Ì¬µÄÔö¼ÓÊý×é¿Õ¼ä¡£
2.Èç¹ûÓÃVC¿ª·¢³ÌÐò£¬³£¼ûÕâô¼¸¸ö´íÎó£¬C2001,c2005,c2011,ÕâЩ´íÎóµÄÔ­ÒòÊÇʲô¡£
Answer:
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 unresolved external symbol “symbol”£¨²»È·¶¨µÄÍⲿ“·ûºÅ”£©¡£
    Èç¹ûÁ¬½Ó³ÌÐò²»ÄÜÔÚËùÓеĿâºÍÄ¿±êÎļþÄÚÕÒµ½ËùÒýÓõĺ¯Êý¡¢±äÁ¿»ò±êÇ©£¬½«²úÉú´Ë´íÎóÏûÏ¢¡£
     Ò»°ãÀ´Ëµ£¬·¢Éú´íÎóµÄÔ­ÒòÓÐÁ½¸ö£ºÒ»ÊÇËùÒýÓõĺ¯Êý¡¢±äÁ¿²»´ ......

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1.½éÉÜÒ»ÏÂSTL£¬Ïêϸ˵Ã÷STLÈçºÎʵÏÖvector¡£
Answer:
     STL (±ê׼ģ°æ¿â£¬Standard Template Library)ËüÓÉÈÝÆ÷Ëã·¨µü´úÆ÷×é³É¡£
     STLÓÐÒÔϵÄһЩÓŵ㣺
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     µ÷ÊÔ³ÌÐòʱ¸ü¼Ó°²È«ºÍ·½±ã£»
     ¼´Ê¹ÊÇÈËÃÇÓÃSTLÔÚUNIXƽ̨ÏÂдµÄ´úÂëÄãÒ²¿ÉÒÔºÜÈÝÒ×µØÀí½â£¨ÒòΪSTLÊÇ¿çÆ½Ì¨µÄ£©¡£
     vectorʵÖÊÉϾÍÊÇÒ»¸ö¶¯Ì¬Êý×飬»á¸ù¾ÝÊý¾ÝµÄÔö¼Ó,¶¯Ì¬µÄÔö¼ÓÊý×é¿Õ¼ä¡£
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Answer:
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 unresolved external symbol “symbol”£¨²»È·¶¨µÄÍⲿ“·ûºÅ”£©¡£
    Èç¹ûÁ¬½Ó³ÌÐò²»ÄÜÔÚËùÓеĿâºÍÄ¿±êÎļþÄÚÕÒµ½ËùÒýÓõĺ¯Êý¡¢±äÁ¿»ò±êÇ©£¬½«²úÉú´Ë´íÎóÏûÏ¢¡£
     Ò»°ãÀ´Ëµ£¬·¢Éú´íÎóµÄÔ­ÒòÓÐÁ½¸ö£ºÒ»ÊÇËùÒýÓõĺ¯Êý¡¢±äÁ¿²»´ ......

³£ÓõÄC/C++¹¤³ÌMakefileÄ£°å

תÌû£ºÒ»»ÔµÄÎÄÕÂ
ÔÚLinuxÏÂ×ö¿ª·¢ÄÑÃâÒª½Ó´¥makefile£¬Õû¸öÏîÄ¿µÄ¹¹½¨¶¼ÒÀÀµÓÚËü¡£100¸ödeveloperÓÐ100ÖÖmakefileµÄд·¨£¬ÔÚÒ»¸ö½Ï´óµÄÏîÄ¿ÖУ¬¸÷ÖÖ¸÷ÑùµÄmakefileÎÞÂÛÔÚ¿ª·¢¡¢ºóÆÚά»¤»¹ÊÇÕû¸öϵͳµÄ³ÖÐø¼¯³É¶¼ÊÇÒ»¸ö¸ºµ£¡£
ÓÐÐÒ²ÎÓëÖØ¹¹Ò»¸öÒÅÁôϵͳµÄmakefile£¬ÒÔÏÂÊÇһЩÐĵúÍÒ»¸ömakefileÄ£°å¡£
ÖØ¹¹Ä¿µÄ£º
1.ÇåÎúÒ×¶®¡¢ÈÝÒ×ά»¤
2.·½±ãϵͳµÄ³ÖÐø¼¯³É
ÖØ¹¹Ô­Ôò£º
1.×ÓÄ£¿émakefileÄ£°å»¯
2.ÍⲿÒÀÀµ¡¢Í¨Óú궨Ò弯Öл¯
3.ÖмäºÍ×îÖÕÊä³ö¼¯ÖУ¬±ãÓÚϵͳ¹¹½¨
ÏÂÃæÊÇ×ܽá³öµÄÒ»¸ömakefileÄ£°å£¬ÎÒÔÚÈÕ³£µÄ¿ª·¢Öж¼ÓÃËü£¬ÆäÖмÓÈëÁËÏêϸµÄ×¢ÊÍ¡£
view plaincopy to clipboardprint?
#Get the ROOT_PATH which common files located, assuming this makefile located in $(ROOT_PATH)/src/sub_module
ROOT_PATH = $(shell cd ../..; pwd)
#Where define the path of third party modules
include $(ROOT_PATH)/path
#Where define common macros such as CC=gcc, CXX=g++ and so on
include $(ROOT_PATH)/common
#Set target output path and the path of intermidiate object
#The path macros should include in $(ROOT_PATH)/path
OUT_PATH ......

³£ÓõÄC/C++¹¤³ÌMakefileÄ£°å

תÌû£ºÒ»»ÔµÄÎÄÕÂ
ÔÚLinuxÏÂ×ö¿ª·¢ÄÑÃâÒª½Ó´¥makefile£¬Õû¸öÏîÄ¿µÄ¹¹½¨¶¼ÒÀÀµÓÚËü¡£100¸ödeveloperÓÐ100ÖÖmakefileµÄд·¨£¬ÔÚÒ»¸ö½Ï´óµÄÏîÄ¿ÖУ¬¸÷ÖÖ¸÷ÑùµÄmakefileÎÞÂÛÔÚ¿ª·¢¡¢ºóÆÚά»¤»¹ÊÇÕû¸öϵͳµÄ³ÖÐø¼¯³É¶¼ÊÇÒ»¸ö¸ºµ£¡£
ÓÐÐÒ²ÎÓëÖØ¹¹Ò»¸öÒÅÁôϵͳµÄmakefile£¬ÒÔÏÂÊÇһЩÐĵúÍÒ»¸ömakefileÄ£°å¡£
ÖØ¹¹Ä¿µÄ£º
1.ÇåÎúÒ×¶®¡¢ÈÝÒ×ά»¤
2.·½±ãϵͳµÄ³ÖÐø¼¯³É
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1.×ÓÄ£¿émakefileÄ£°å»¯
2.ÍⲿÒÀÀµ¡¢Í¨Óú궨Ò弯Öл¯
3.ÖмäºÍ×îÖÕÊä³ö¼¯ÖУ¬±ãÓÚϵͳ¹¹½¨
ÏÂÃæÊÇ×ܽá³öµÄÒ»¸ömakefileÄ£°å£¬ÎÒÔÚÈÕ³£µÄ¿ª·¢Öж¼ÓÃËü£¬ÆäÖмÓÈëÁËÏêϸµÄ×¢ÊÍ¡£
view plaincopy to clipboardprint?
#Get the ROOT_PATH which common files located, assuming this makefile located in $(ROOT_PATH)/src/sub_module
ROOT_PATH = $(shell cd ../..; pwd)
#Where define the path of third party modules
include $(ROOT_PATH)/path
#Where define common macros such as CC=gcc, CXX=g++ and so on
include $(ROOT_PATH)/common
#Set target output path and the path of intermidiate object
#The path macros should include in $(ROOT_PATH)/path
OUT_PATH ......

C/C++ÖÐʹÓÃÕýÔò±í´ïʽ

Í·Îļþregex.hÖж¨ÒåÁËc/c++ʹÓÃÕýÔò±í´ïʽµÄº¯Êý£º regcomp(), regexec(), regerror(), and regfree() ¡£regcomp()±àÒëÕýÔò±í´ïʽ£¬regexec()Æ¥ÅäÕýÔò±í´ïʽ£¬ regfree()ÊÍ·ÅÕýÔò±í´ïʽ£¬regerror()±¨¸æÕýÔò±í´ïʽ´íÎóÐÅÏ¢¡£Ê¹Ó÷½·¨ÈçÏ´úÂëËùʾ£º
static string merge_path(const string base, const string path)
{
static regex_t re;


static int initialized = 0;
regmatch_t pm[1];
string p, s;
size_t len;
assert(*path != '/');
if (base && (p = strrchr(base, '/'))) {
newarray(s, (p - base) + strlen(path) + 2);
strncpy(s, base, (p - base) + 1);
strcpy(s + ((p - base) + 1), path);
} else {
newarray(s, strlen(path) + 2);
#if 0
s[0] = '/';
strcpy(s + 1, path);
#else
strcpy(s, path);
#endif
}
/* Replace all substrings of form "/xxx/../" with "/" */
if (! initialized) {
assert(regcomp(&re, "/[^/]+/\\.\\./", REG_EXTENDED) == 0);
initialized = 1;
}
len = strlen(s);


while (rege ......

C/C++ÖÐʹÓÃÕýÔò±í´ïʽ

Í·Îļþregex.hÖж¨ÒåÁËc/c++ʹÓÃÕýÔò±í´ïʽµÄº¯Êý£º regcomp(), regexec(), regerror(), and regfree() ¡£regcomp()±àÒëÕýÔò±í´ïʽ£¬regexec()Æ¥ÅäÕýÔò±í´ïʽ£¬ regfree()ÊÍ·ÅÕýÔò±í´ïʽ£¬regerror()±¨¸æÕýÔò±í´ïʽ´íÎóÐÅÏ¢¡£Ê¹Ó÷½·¨ÈçÏ´úÂëËùʾ£º
static string merge_path(const string base, const string path)
{
static regex_t re;


static int initialized = 0;
regmatch_t pm[1];
string p, s;
size_t len;
assert(*path != '/');
if (base && (p = strrchr(base, '/'))) {
newarray(s, (p - base) + strlen(path) + 2);
strncpy(s, base, (p - base) + 1);
strcpy(s + ((p - base) + 1), path);
} else {
newarray(s, strlen(path) + 2);
#if 0
s[0] = '/';
strcpy(s + 1, path);
#else
strcpy(s, path);
#endif
}
/* Replace all substrings of form "/xxx/../" with "/" */
if (! initialized) {
assert(regcomp(&re, "/[^/]+/\\.\\./", REG_EXTENDED) == 0);
initialized = 1;
}
len = strlen(s);


while (rege ......
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