1.获得当前用户有权限的表的信息(ALL_TABLES ) (只要对某个表有任何权限,即可在此视图中看到表的相关信息) 表中各字段说明如下: 参考:https://www.iteye.com/blog/appleses-2280054 声明:此博客为个人学习之用,如与其他作品雷同,纯属巧合,转载请指明出处!
If you have worked with MySQL, you may be familiar with theSHOW TABLEScommand that lists all tables in a database: SHOWTABLES;Code language:SQL (Structured Query Language)(sql) Unfortunately, Oracledoes notdirectly support theSHOW TABLEScommand. However, you can list all tables in a database...
-- DBA/ALL/USER/V_$/GV_$/SESSION/INDEX开头的绝大部分都是视图 -- DBA_TABLES意为DBA拥有的或可以访问的所有的关系表。 -- ALL_TABLES意为某一用户拥有的或可以访问的所有的关系表。 -- USER_TABLES意为某一用户所拥有的所有的关系表。 -- 当某一用户本身就为数据库DBA时,DBA_TABLES与ALL_TABLES等价。
ALL_TABLES describes the relational tables accessible to the current user. To gather statistics for this view, use the ANALYZE SQL statement.Related Views DBA_TABLES describes all relational tables in the database.USER_TABLES describes the relational tables owned by the current user. Thi...
disk_reads desc) elapsed_rank from v$sql v) a where elapsed_rank <= 10; #db_links --创建create public database link to_oggd_ddcwd connect to ddcwd identified by ygd using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS =(PROTOCOL = TCP)(HOST = 192.168.101.172)(PORT = 1521)))(CONNECT_...
SQL> select count(*) fromv$open_cursor; 修改ORACLE最大游标数 SQL> alter system set open_cursors=1000 scope=both; 关闭密码过期 --1、查看用户的proifle是哪个,一般是default: (DBSNMP=》MONITORING_PROFILE) SELECT username,PROFILE FROMdba_users; ...
当数据块中的FREE空间小于PCTFREE设置的空间时,该数据块从FREELIST中去掉,当块由于DML操作FREE空间大于PCTUSED设置的空间时,该数据库块将被添加在FREELIST链表中。对于表和索引来说,该值默认为10%,通过查询DBA_TABLES或DBA_INDEXES视图的PCT_FREE列可以获取到该属性的值。该值适用于MSSM和ASSM。
and sql_address = address and sql_hash_value = hash_value /11。查看数据表的参数信息SELECT partition_name, high_value, high_value_length, tablespace_name,pct_free, pct_used, ini_trans, max_trans, initial_extent,next_extent, min_extent, max_extent, pct_increase, FREELISTS,freelist_groups,...
bde_last_analyzed.sql verifies the CBO statistics in the data dictionary for all tables, indexes, and partitions. It also validates the statistics on tables and indexes owned by 'SYS'. The 5 generated reports bde_last_analyzed_xxx.html, present the total of tables and indexes analyzed per mo...
Listing All Tablespace Quotas Use the DBA_TS_QUOTAS view to list all tablespace quotas specifically assigned to each user. For example: SELECT * FROM DBA_TS_QUOTAS; TABLESPACE USERNAME BYTES MAX_BYTES BLOCKS MAX_BLOCKS --- --- --- --- --- --- USERS JFEE 0 512000 0 250 USERS DCRAN...