登陆sqlplus,在命令行输入 sqlplus sys/sys as sysdba;//登陆sqlplus SQL>SHUTDOWN IMMEDIATE; SQL>STARTUP MOUNT; SQL>ALTER SYSTEM ENABLE RESTRICTED SESSION; SQL>ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0; SQL>ALTER SYSTEM SET AQ_TM_PROCESSES=0; SQL>ALTER D…
添加字段: alter table `user_movement_log`Add column GatewayId int not null default 0 AFTER `Regionid` (在哪个字段后面添加) 删除字段: alter table `user_movement_log` drop column Gatewayid 调整字段顺序: ALTER TABLE `user_movement_log` CHANGE `GatewayId` `GatewayId` int not n…
AL32UTF8转成ZHS16GBK cmd中输入“SQLPLUS”,回车,然后再在用户名下输入“SYS AS SYSDBA”,回车 密码后面输入“SYS”,回车.这里输入密码是隐式的,所以看不见,只要输入就好了. 这里输入SQL查询语句,select * from nls_database_parameters where parameter='NLS_CHARACTERSET'; 查看当前数据库字符集. 此时数据库服务器已启动,则先执行SHUTDOWN IMMEDIATE命令关闭数据库服务器…