oracle常用管理sql

--oracle監控函式

--檢視所有表空間利用率

select

a.a1 表空間名稱, c.c2 型別, c.c3 區管理,

b.b2/1024/1024 表空間大小m, (b.b2-a.a2)/1024/1024 已使用m,

substr((b.b2-a.a2)/b.b2*100,1,5) 利用率

from

(select tablespace_name a1, sum(nvl(bytes,0)) a2 from dba_free_space group by tablespace_name) a,

(select tablespace_name b1,sum(bytes) b2 from dba_data_files group by tablespace_name) b,

(select tablespace_name c1,contents c2,extent_management c3 from dba_tablespaces) c

where a.a1=b.b1 and c.c1=b.b1;

--檢視所有自建使用者

select username,default_tablespace from dba_users where account_status='open';

--檢視所有表空間

select tablespace_name, sum(bytes)/(1024*1024) as mbytes, sum(blocks) from dba_segments group by tablespace_name;

--檢視所有空閒表空間

select tablespace_name, sum(bytes)/(1024*1024) as freembytes, sum(blocks) from dba_free_space group by tablespace_name;

--檢視所有表空間是否自動擴充套件

select file_name,bytes/1024/1024 mb,autoextensible,tablespace_name from dba_data_files;

--查詢所有使用者及建立時間

select * from all_users;

--檢視當前使用者連線

select * from v$session where status='active' and schemaname!='sys';

--檢視當前使用者許可權

select * from session_privs;

--查詢當前使用者函式和儲存過程

select * from user_source;

--查詢當前使用者哪個表的記錄數最多

select table_name, tablespace_name, num_rows, blocks from user_all_tables order by num_rows desc;

--檢視當前使用者哪個表佔的空間最大

select segment_name,tablespace_name,bytes/1024/1024 as mbytes,blocks from user_segments where segment_type='table' order by mbytes desc;

--檢視座標投影系

select * from sde.spatial_references;

--刪除空間索引

drop index tablename_spatial_idx;

--select * from user_sdo_geom_metadata

--刪除註冊空間資訊

delete from user_sdo_geom_metadata where table_name='tablename';

--刪除sde註冊空間資訊

--echo y | sdelayer -o delete -l tablename,spatialcolumn -u usr -p pwd

delete from sde.table_registry t where t.owner=='username'

delete from sde.column_registry t1 where t1.owner=='username'

delete from sde.geometry_columns t2 where t2.f_table_schema=='username'

delete from sde.gdb_usermetadata t3 where t3.owner=='username'

delete from sde.layers t4 where t4.owner=='username'

--清空指定名稱的表交釋放空間

begin

for t in (select table_name from user_tables where upper(table_name) like 'smr_%'or upper(table_name) like 'tmp_%'or upper(table_name) like 'temp_%') loop

execute immediate 'truncate table ' || t.table_name;

end loop;

end;

truncate table smr_ecable_count

commit;

--檢視被鎖的表

select p.spid, a.serial#, c.object_name, b.session_id, b.oracle_username, b.os_user_name

from v$process p, v$session a, v$locked_object b, all_objects c

where p.addr=a.paddr and a.process=b.process and c.object_id=b.object_id

--檢視連線的程序

select sid, serial#, username, osuser from v$session;

--殺掉程序

alter system kill session 'sid,serial#';

操作命令：

sql> alter tablespace users offline;

tablespace altered.

sql> alter tablespace users online;

tablespace altered.

將表空間置為唯讀模式和讀寫模式：

sql> alter tablespace users read only;

tablespace altered.

sql> alter tablespace users read write;

tablespace altered.

刪除表空間：

sql> drop tablespace users including contents and datafiles;

tablespace dropped.

create tablespace fjng090930 datafile 'd:\oracle\fjng090930.dbf' size 500m;

alter database datafile 'd:\oracle\fjng090930.dbf' autoextend on next 500m maxsize unlimited;

create user fjng090930 identified by fjng090930;

grant connect,resource,dba to fjng090930;

imp fjng090930/fjng090930@ora fromuser=fj090930 touser=fjng090930 file=d:\fjng090930.dmp

oracle常用管理sql

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oracle實踐常用SQL

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oracle常用管理sql

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