Oracle鍒嗛〉
鏌ヨ璇彞:
select * FROM A_WECHAT WHERE 1=1
鏌ヨ璁板綍鎬繪暟:
SELECT nvl(count(*),0) as totalNum
FROM (
select * FROM A_WECHAT WHERE 1=1
) where 1=1
鍒嗛〉:
SELECT
*
FROM
(
SELECT
TIN.*, ROWNUM AS rowno
FROM
(
select * FROM A_WECHAT WHERE 1=1 order by OPENID desc
) TIN
WHERE
ROWNUM <= 50 ) TOUT
WHERE
TOUT.rowno >= 1
鏌ヨ璇彞:
select * FROM A_WECHAT WHERE 1=1
鏌ヨ璁板綍鎬繪暟:
SELECT nvl(count(*),0) as totalNum
FROM (
select * FROM A_WECHAT WHERE 1=1
) where 1=1
鍒嗛〉:
SELECT
*
FROM
(
SELECT
TIN.*, ROWNUM AS rowno
FROM
(
select * FROM A_WECHAT WHERE 1=1 order by OPENID desc
) TIN
WHERE
ROWNUM <= 50 ) TOUT
WHERE
TOUT.rowno >= 1
]]>
mysql-connector
寰?/span>
http://www.mysql.com/products/connector/
榪欎簺灝辨槸mysql鎵璋撶殑榪炴帴鍣ㄥ惂.
涓璺悜涓嬬湅鍒?
C++ Wrapper for MySQL C API (MySQL++) Download
http://gna.org/projects/mysqlpp/
涓嬭澆鎵嬪唽鎱㈡參鎱㈡參鐪嬪惂浣?
1. 鍏堝埌http://tangentsoft.net/mysql++/ 涓嬭澆mysql++婧愮爜.
2. 灝唌ysql++鐨刅S2008鐨凱RO鎵撳紑鍚庣紪璇戞垚msyqlpp.lib,mysqlpp.dll絳夊嚑涓姩鎬佹垨闈欐佸簱銆?/span>
闇瑕佹敞鎰忕殑鏄痬ysql鐨勫ご鏂囦歡鍙?qiáng)鐩稿厸_簱鏂囦歡闇鎸囧畾鍦版柟鎴栧姞鍒癡S宸ュ叿鐨刼ption->vc directories涓?
3.璇鋒妸鐩稿簲鐨凞EBUG鍙?qiáng)RELEASE鐗堟湰鐨凞LL鍙?qiáng)LIB鏀懼埌鐩稿簲鐨勭洰褰?鍚﹀垯璋冭瘯鎶ュ紓甯?
#include <afxwin.h>
#include <iostream>
#include "lib/mysql++.h"
using namespace std;
int main(){
char name[50];
mysqlpp::Connection conn(false);
if (conn.connect("test","192.168.0.175","root","aaaaaa") ) {
mysqlpp::Query SetCharacterSetQuery = conn.query("SET names 'utf8'");
SetCharacterSetQuery.exec(); //娉ㄦ剰榪欓噷榪樿SetCharacterSetQuery.exec() ,鍜孋璇█鐨凙PI涓嶅悓.
mysqlpp::Query query = conn.query("select * from doc_threads");
mysqlpp::StoreQueryResult res = query.store();
if (res) {
cout << res[0]["id"] << ' ' << CW2A(CA2W(res[0]["name"],CP_UTF8),CP_ACP) << ' ' <<endl;
cout << res[1]["id"] << ' ' << CW2A(CA2W(res[1]["name"],CP_UTF8),CP_ACP) << ' ' <<endl;
}
}
conn.disconnect();
return 0;
}
#include <iostream>
#include "lib/mysql++.h"
using namespace std;
int main(){
char name[50];
mysqlpp::Connection conn(false);
if (conn.connect("test","192.168.0.175","root","aaaaaa") ) {
mysqlpp::Query SetCharacterSetQuery = conn.query("SET names 'utf8'");
SetCharacterSetQuery.exec(); //娉ㄦ剰榪欓噷榪樿SetCharacterSetQuery.exec() ,鍜孋璇█鐨凙PI涓嶅悓.
mysqlpp::Query query = conn.query("select * from doc_threads");
mysqlpp::StoreQueryResult res = query.store();
if (res) {
cout << res[0]["id"] << ' ' << CW2A(CA2W(res[0]["name"],CP_UTF8),CP_ACP) << ' ' <<endl;
cout << res[1]["id"] << ' ' << CW2A(CA2W(res[1]["name"],CP_UTF8),CP_ACP) << ' ' <<endl;
}
}
conn.disconnect();
return 0;
}
]]>