linux mysql ¿ª·¢»·¾³
°²×°mysql
sudo apt-get install mysql-servel-5.0 mysql-client-5.0
ÏÂÔØ°²×°¹ý³ÌÖУ¬»áÌáʾÊäÈërootÃÜÂë
°²×°CÓïÑÔ±à³Ì½Ó¿Ú£º
sudo apt-get install libmysqlclient15-dev
¸ü¶àapi ²é¿´£ºhttp://dev.mysql.com/doc/refman/5.0/en/c.html
Ïà¹ØmysqlÍ·ÎļþºÍ¿âÎļþ°²×°ÔÚ/usr/include/mysql/ºÍ/usr/lib/mysqlĿ¼
g£«£« -g xxx.cpp -I /usr/include/mysql -L /usr/lib/mysql -l mysqlclient -o xxx
#include <iostream>
#include <mysql.h>
using namespace std;
int main()
{
MYSQL *mysql;
mysql = mysql_init(0);
MYSQL_RES* result;
MYSQL_ROW row;
if(!mysql_real_connect(mysql,"localhost" , "root" , "root" , "mydb" , 3309 , NULL , 0))
{
cout<<"connect mysql server failed!"<<endl;
return -1;
}
else
{
cout<<"connect success!"<<endl;
}
mysql_set_character_set(mysql , "gbk");
string sql = "select * from test";
int status = mysql_query(mysql , sql.c_str());
if(status != 0)
{
&nb
Ïà¹ØÎĵµ£º
1¡¢ÏÂÔØMySQLµÄ°²×°Îļþ
°²×°MySQLÐèÒªÏÂÃæÁ½¸öÎļþ£º
MySQL-server-5.0.46.i386.rpm¡¡¡¡¡¡
MySQL-client-5.0.46.i386.rpm
2¡¢°²×°MySQL
rpmÎļþÊÇRed Hat¹«Ë¾¿ª·¢µÄÈí¼þ°²×°°ü£¬rpm¿ÉÈÃLinuxÔÚ°²×°Èí¼þ°üʱÃâ³ýÐí¶à¸´ÔÓµÄÊÖÐø¡£¸ÃÃüÁîÔÚ°²×°Ê±³£ÓõIJÎÊýÊÇ
ivh
,ÆäÖÐi±íʾ½«°²×°Ö¸¶¨µÄrmpÈí¼þ°ü£¬V±í ......
mysql alter Óï¾äÓ÷¨,Ìí¼Ó¡¢Ð޸ġ¢É¾³ý×ֶεÈ
//Ö÷¼ü549830479
alter table tabelname add new_field_id int(5) unsigned default 0 not null auto_increment ,add primary key (new_field_id);
//Ôö¼ÓÒ»¸öÐÂÁÐ549830479
alter table t2 add d timestamp;
alter table infos add ex tinyint not null default ......
update £ºµ¥±íµÄ¸üв»ÓÃ˵ÁË£¬Á½ÕßÒ»Ñù£¬Ö÷Ҫ˵˵¶à±íµÄ¸üÐÂ
Oracle> OracleµÄ¶à±í¸üÐÂÒªÇó±È½ÏÑϸñ£¬ËùÒÔÓеÄʱºò²»ÊǺܺÃд£¬ÎÒÃÇ¿ÉÒÔÊÔÊÔOracleµÄÓαê
&n ......
1¡¢MySQL³£ÓÃÃüÁî
create database name; ´´½¨Êý¾Ý¿â
use databasename; Ñ¡ÔñÊý¾Ý¿â
drop database name Ö±½Óɾ³ýÊý¾Ý¿â£¬²»ÌáÐÑ
show tables; ÏÔʾ±í
describe tablename; ±íµÄÏêϸÃèÊö
select ÖмÓÉÏdistinctÈ¥³ýÖظ´×Ö¶Î
mysqladmin drop databasename ɾ³ýÊý¾Ý¿âÇ°£¬ÓÐÌáʾ¡£
ÏÔʾµ±Ç°mysql°æ±¾ºÍµ±Ç°È ......
* mysqlÊ×ÏȽ«Äõ½µÄÊý¾Ýת»»Îªcharacter_set_clientÖ¸¶¨µÄ±àÂë¸ñʽ£¬È»ºóת»»Îª character_set_connectionÖ¸¶¨µÄ¸ñʽ£¬×îºóÔÙ½«Êý¾Ý´æ´¢µ½Êý¾Ý¿â£¬´æ´¢¸ñʽΪcharacter_set_databaseËùÖ¸¶¨µÄ¸ñʽ£»
* ´ÓÊý¾Ý¿â¶ÁÊý¾Ýʱ£¬½«Êý¾Ý¿â¸ñʽת»»Îªcharacter_set_resultsÖ¸¶¨µÄ¸ñʽ£¬ÔÙ·¢Ë ......