摘要:
1.准备环境drop tablespace jch8 including contents and datafiles;--jch801代表第8课create tablespace jch8 datafile '/u01/app/oracle/oradata/JCH2/jch801.dbf' size 50M;drop user jch8 cascade;create user jch8 identified by jch8 default tablespace jch8;grant dba to jch8;conn jch8/jch8drop table employee p 阅读全文