mysql±àÒë°²×°Óë²ÎÊý
mysql ±àÒë°²×°Óë±àÒë²ÎÊý
Ìí¼Ómysql×éºÍmysqlÓû§
[root@centos mysql]# groupadd mysql
[root@centos mysql]# useradd -g mysql mysql
±àÒëÓë°²×°
tar -zxvf mysql-5.1.35.tar.gz
./configure \
--prefix=/usr/local/mysql \
--localstatedir=/data/mysql/data \ mysqlÊý¾ÝĿ¼
--enable-assembler \
--with-mysqld-ldflags=-rdynamic \
--with-client-ldflags=-all-static \
--with-plugins=innobase,partition \
--with-extra-charsets=none \
--enable-thread-safe-client \
--with-client-ldflags=-all-static \ ÒÔ´¿¾²Ì¬·½Ê½±àÒë¿Í»§¶Ë
--with-mysqld-ldflags=-all-static ÒÔ´¿¾²Ì¬·½Ê½±àÒë·þÎñ¶Ë
make && make install
--enable-thread-safe-client \ÒÔÏ̷߳½Ê½±àÒë¿Í»§¶Ë
mysqlĿ¼ȨÏÞÉèÖÃ
mkdir /usr/local/mysql/var
mkdir /var/run/mysqld
chmod +w /usr/local/mysql/
chown -R mysql:mysql /usr/local/mysql/
chown -R mysql:mysql /var/run/mysqld
cp /usr/local/mysql/share/mysql/my-innodb-heavy-4G.cnf /etc/my.cnf
ÒÔmysqlÓû§³õʼ»¯Êý¾Ý¿â±í
/usr/local/mysql/bin/mysql_install_db --basedir=/usr/local/mysql --datadir=/data/mysql/data --user=mysql
--datadir=/data/mysql/data ¶¨ÒåmysqlÊý¾Ý´æ·ÅĿ¼
×¢Òâ:Èç¹û°ÑÊý¾ÝĿ¼¶¨Òåµ½ÆäËüĿ¼Àï,µÃÏÈÐÞ¸Ä/etc/my.cnfÎļþ,¼ÓÉÏÒÔ϶þÐÐ
[mysqld]
# generic configuration options
port = 3306
socket = /tmp/mysql.sock
# wb config
basedir = /usr/local/mysql ×ÖÒåmysql³ÌÐòĿ¼
datadir = /data1/mysql/data ¶¨ÒåÊý¾ÝĿ¼
ÔÚ¶ÔÊý¾Ý¿â½øÐгõʼ»¯±í,²»È»mysqlÊý¾Ý¿âÆô¶¯»á±¨´í.
Æô¶¯mysql·þÎñ
/usr/local/mysql/bin/mysqld_safe --user=mysql --datadir=/data/mysql/data (Ö¸¶¨Êý¾Ý¿âĿ¼)
/usr/local/mysql/bin/mysqld_safe --user=mysql 2>&1 > /dev/null &
Ïà¹ØÎĵµ£º
¸ñʽ£ºgrant [PRIVILEGES] on [databaseName.tableName] to [userName]@[host] identified by [password] with grant option;
eg1: grant select on mysql.user to wqh@localhost
eg2:GRANT SELECT,INSERT,UPDATE,DELETE,CREATE ......
mysqlÖÐINSTRº¯ÊýµÄÓ÷¨
INSTR(×Ö¶ÎÃû, ×Ö·û´®)
Õâ¸öº¯Êý·µ»Ø×Ö·û´®ÔÚijһ¸ö×ֶεÄÄÚÈÝÖеÄλÖÃ, ûÓÐÕÒµ½×Ö·û´®·µ»Ø0£¬·ñÔò·µ»ØÎ»Ö㨴Ó1¿ªÊ¼£©
SELECT * from tblTopic ORDER BY INSTR( topicTitle, 'ha' ) > 0 DESC
SELECT INSTR( topicTitle, 'ha' ) from tblTopic
mysqlÖÐʹÓÃinstrÅäºÏINÅÅÐò
½«instr½á¹û×÷Î ......
¸ù¾ÝÄãµÄʹÓÃÄ¿µÄÎÒ¾õµÃÕâ¸öº¯ÊýÓÐÁ½·½ÃæµÄÓÃ;£º
·ÀÖ¹SQL Injection¹¥»÷£¬Ò²¾ÍÊÇÄã±ØÐëÑéÖ¤Óû§µÄÊäÈë
²Ù×÷Êý¾ÝµÄʱºò±ÜÃâ²»±ØÒªµÄ×Ö·ûµ¼Ö´íÎó
mysql_real_escape_string() º¯ÊýתÒå SQL Óï¾äÖÐʹÓõÄ×Ö·û´®ÖеÄÌØÊâ×Ö·û¡£
ÏÂÁÐ×Ö·ûÊÜÓ°Ï죺
\x00
\n
\r
\
'
"
\x1a
Èç¹û³É¹¦£¬Ôò¸Ãº¯Êý·µ»Ø±»×ªÒåµÄ×Ö·û´ ......
ĿǰLAMP (Linux + Apache + MySQL + PHPspan style="font-family: Verdana;">) ½ü¼¸ÄêÀ´·¢Õ¹Ñ¸ËÙ£¬ÒѾ³ÉΪWeb ·þÎñÆ÷µÄÊÂʵ±ê×¼¡£LAMPÕâ¸ö´ÊµÄÓÉÀ´×îÔçʼÓڵ¹úÔÓÖ¾“c't Mag
azine”£¬Michael KunzeÔÚ1990Äê×îÏȰÑÕâЩÏîÄ¿×éºÏÔÚÒ»Æð´´ÔìÁËLAMPµÄËõд×Ö¡£ÕâЩ×é¼þËäÈ»²¢²»ÊÇ¿ª¿ªÊ¼¾ÍÉè¼ÆÎªÒ»Æðʹ ......