Oracle常用操作

创建表空间   create tablespace [tablespace_name] datafile 'e:oracleoradata estdata_1.dbf' size 2000M;

删除表空间   DROP TABLESPACE [tablespace_name]  INCLUDING CONTENTS AND DATAFILES;

创建数据库  CREATE DATABASE  [database_name];

删除数据库  DROP DATABASE  [database_name];

创建表  CREATE TABLE [tabname];

删除表  DROP TABLE [tabname];

创建用户，并指定表空间  create user [username] identified by [password]  default tablespace [tablesapce_name];

删除用户  drop user [username] cascade;

解除账户被锁状态  alter user [username] account unlock;

修改账户密码  alter user [username] identified by [new_password];

无需密码登录管理员账户  sqlplus / as sysdba;

导库语句：

导出dump语句： exp username/password@orcl file=d:20201117.dump