Oracle环境准备

1.创建表空间
    create tablespace bos
    datafile 'c:\bos.dbf'
    size 100m
    autoextend on
    next 10m;
2.创建用户
    create user bos
    identified by bos
    default tablespace bos;

3.给用户授权

    grant connect to bos;
    grant resource to bos;

4.删除用户
    drop user bos cascade;
5.删除表空间
    drop tablespace bos;