ORCALE基本操作

创建表空间

CREATE SMALLFILE TABLESPACE TTKDTEST datafile '/opt/oracle/oradatas/otwb/dbf.DMP' SIZE 100M REUSE AUTOEXTEND ON NEXT 2048K MAXSIZE UNLIMITED LOGGING EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO;

删除test用户

drop user wmsloc cascade;

创建test用户

create user wrtest identified by wrtest;

授权test用户

grant connect,resource,dba to wrtest;

--选择性授权

grant select on sy_user to user

commit;

更改表空间

select 'alter table '|| table_name ||' move tablespace tablespacename;' from user_all_tables;

select 'alter index '|| index_name ||' rebuild tablespace tablespacename;' from user_indexes;

重建索引

select 'alter index '|| index_name ||' rebuild;' from user_indexes;

正在运行的SQL

SELECT b.sid oracleID,

b.username 登录Oracle用户名,

b.serial#,

spid 操作系统ID,

paddr,

sql_text 正在执行的SQL,

b.machine 计算机名

FROM v$process a, v$session b, v$sqlarea c

WHERE a.addr = b.paddr

AND b.sql_hash_value = c.hash_value and b.username='TMS'

--查出oracle当前的被锁对象

SELECT l.session_id sid,

s.serial#,

l.locked_mode 锁模式,

l.oracle_username 登录用户,

l.os_user_name 登录机器用户名,

s.machine 机器名,

s.terminal 终端用户名,

o.object_name 被锁对象名,

s.logon_time 登录数据库时间

FROM v$locked_object l, all_objects o, v$session s

WHERE l.object_id = o.object_id

AND l.session_id = s.sid

ORDER BY sid, s.serial#;