檢視Oracle各種物件

2021-08-31 14:16:15 字數 2032 閱讀 5510

--表: 

select * from cat;

select * from tab;

select table_name from user_tables;

--檢視:

select text from user_views where view_name=upper('&view_name');

--索引:

select index_name,table_owner,table_name,tablespace_name,status from user_indexes order by table_name;

--觸發器:

select trigger_name,trigger_type,table_owner,table_name,status from user_triggers;

--快照:

select owner,name,master,table_name,last_refresh,next from user_snapshots order by owner,next;

--同義詞:

select * from syn;

--序列:

select * from seq;

--資料庫鏈路:

select * from user_db_links;

--約束限制:

select table_name,constraint_name,search_condition,status from user_constraints;

--本使用者讀取其他使用者物件的許可權:

select * from user_tab_privs;

--本使用者所擁有的系統許可權:

select * from user_sys_privs;

--使用者:

select * from all_users order by user_id;

select username from dba_users;

--表空間剩餘自由空間情況:

select tablespace_name,sum(bytes) 總位元組數,max(bytes),count(*) from dba_free_space group by tablespace_name;

--資料字典:

select table_name from dict order by table_name;

--鎖及資源資訊:

select * from v$lock;不包括ddl鎖

--資料庫字符集:

select name,value$ from props$ where name='nls_characterset';

--inin.ora引數:

select name,value from v$parameter order by name;

--sql共享池:

select sql_text from v$sqlarea;

--資料庫:

select * from v$database

--控制檔案:

select * from v$controlfile;

--重做日誌檔案資訊:

select * from v$logfile;

--來自控制檔案中的日誌檔案資訊:

select * from v$log;

--來自控制檔案中的資料檔案資訊:

select * from v$datafile;

--nls引數當前值:

select * from v$nls_parameters;

--oracle版本資訊:

select * from v$version;

--描述後台程序:

select * from v$bgprocess;

--檢視版本資訊:

select * from product_component_version;

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