摘要:
1、创建目录mkdir /tmp/hb2、SQL>conn / as sysdba;SQL> alter tablespace example begin backup;SQL> !cp /u01/oradata/poli/example01.dbf /tmp/hbSQL> alter tablespace example end backup;3、问题在执行alter tablespace example begin backup与alter tablespace example end backup命令之间,如果有用户访问此表空间,会是什么情况?首先需要了解到,在执 阅读全文
摘要:
1、查看Data File 结构SQL> desc dba_data_files; Name Null? Type ----------------------------------------------------------------------------------------------------------------- -------- -------... 阅读全文
摘要:
表空间结构SQL> desc dba_tablespaces; Name Null? Type ----------------------------------------------------------------------------------------------------------------- -------- -----------------... 阅读全文
摘要:
1、查看数据文件SQL> select name,status from v$datafile;NAME STATUS-------------------------------------------------- -------/u01/oradata/poli/system01.dbf SYSTEM/u01/oradata/poli/sysaux01.dbf ONLINE/u01/oradata/poli/undot... 阅读全文