Linux下的mysql生成sql語句
mysqldump -u root -p hibernate2 > /home/wyq/hibernate2.sql
查看mysql歷史命令
cat ~/.mysql_history 即可以看到以前的命令歷史。
MySQL級聯刪除的修改:
show create table t_service;
KEY `fk_service_user1` (`user_id`),
KEY `fk_service_pricing1` (`pricing_id`),
CONSTRAINT `service_pricing_fk` FOREIGN KEY (`pricing_id`) REFERENCES `t_pricing` (`pricing_id`) ON DELETE CASCADE,
CONSTRAINT `service_user_fk` FOREIGN KEY (`user_id`) REFERENCES `t_user` (`user_id`) ON DELETE CASCADE
mysql> alter table t_service drop foreign key fk_service_pricing1;
Query OK, 5 rows affected (0.33 sec)
Records: 5 Duplicates: 0 Warnings: 0
mysql> alter table t_service drop foreign key fk_service_user1;
Query OK, 5 rows affected (0.50 sec)
Records: 5 Duplicates: 0 Warnings: 0
mysql> alter table t_service add constraint fk_service_user1 foreign key (user_id) references t_user(user_id) on delete cascade;
Query OK, 5 rows affected (0.34 sec)
Records: 5 Duplicates: 0 Warnings: 0
mysql> alter table t_service add constraint fk_service_pricing1 foreign key (pricing_id) references t_pricing(pricing_id) on delete cascade;
Query OK, 5 rows affected (0.33 sec)
Records: 5 Duplicates: 0 Warnings: 0
解壓命令：
tar -xvzf apache-tomcat-6.0.37.tar.gz
安裝WPS
sudo rpm -ivh wps
啓動Oracle服務
sudo /etc/init.d/oracle start
service --status-all
sudo service oracle start
[sudo] password for oracle:
oracle is not in the sudoers file. This incident will be reported.
找路徑
/etc/init.d $ sudo service oracle start
sudo service oracle restart