摘要： [root@DBSVR01 e]# yum install php-xml.i686Loaded plugins: fastestmirror, securityLoading mirror speeds from cached hostfile* base: centos.ustc.edu.cn* extras: centos.ustc.edu.cn* updates: ftp.twaren.netSetting up Install ProcessResolving Dependencies--> Running transaction check---> Package ph 阅读全文

摘要： PDO is an acronym for PHP Data Objects. PDO is a lean, consistent way to access databases. This means developers can write portable code much easier. PDO is not an abstraction layer like PearDB. PDO is a more like a data access layer which uses a unified API (Application Programming Interface).How t 阅读全文

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摘要： mysql> create table ss(id int unsigned not null primary key auto_increment, user_name varchar(15) not null);Query OK, 0 rows affected (0.00 sec)mysql> mysql> insert into ss(id,user_name) values(1, 'jojo');Query OK, 1 row affected (0.00 sec)mysql> insert into ss(id,user_name) valu 阅读全文

摘要： [root@DBSVR01 e]# service mysqld statusmysqld is stopped[root@DBSVR01 e]#==================================[root@DBSVR01 e]# service mysqld startInitializing MySQL database: Installing MySQL system tables...OKFilling help tables...OKTo start mysqld at boot time you have to copysupport-files/mysql.se 阅读全文

摘要： [root@DBSVR01 e]# mysql -uroot -pEnter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)[root@DBSVR01 e]#=======================删除user.user中值为NULL的,或更新NULL为test 1)delete from user where user is NULL 2)update user set user=‘test‘ where user 阅读全文

摘要： [root@DBSVR01 e]# which mysql/usr/bin/mysql[root@DBSVR01 e]# whereis mysqlmysql: /usr/bin/mysql /usr/lib/mysql /usr/share/mysql /usr/share/man/man1/mysql.1.gz[root@DBSVR01 e]# 阅读全文

摘要： [root@DBSVR01 e]# yum install mysql.i686Loaded plugins: fastestmirror, securityLoading mirror speeds from cached hostfile* base: centos.ustc.edu.cn* extras: centos.ustc.edu.cn* updates: ftp.twaren.netSetting up Install ProcessResolving Dependencies--> Running transaction check---> Package mysq 阅读全文

摘要： firefox无法浏览flash的解决方案 阅读全文