TX.TM
Oracle数据库的锁类型 oracle官方文档里面关于锁的定义:Locks are mechanisms that prevent destructive interaction between transactions accessing the sameresource—either user objects such as tables and rows or system objects not visible to...
解决:ORA:目标主机或者对象不存在
ORA-12545
Oracle数据库备份与恢复之导出/导入(EXP/IMP)、热备份和冷备份
适合学习基础的同学们看!!!!