NUM_FREELIST_BLOCKS:表的自由列表块数 DEGREE:表的并行度 INSTANCES:表的实例数 通过查询ALL_TABLES视图,可以获取表的计数信息,例如: 代码语言:txt 复制 SELECT COUNT(*) FROM ALL_TABLES; 推荐的腾讯云相关产品:腾讯云数据库(TencentDB),提供了多种数据库产品,包括云原生数据库TDSQL、分布式数据库TBase、关系...
Unfortunately, Oracledoes notdirectly support theSHOW TABLEScommand. However, you can list all tables in a database by querying from various data dictionary views. Show tables owned by the current user# To show tablesownedby the current user, you query from theuser_tablesview. SELECTtable_nameF...
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!
select table_name, partition_name, high_value from user_tab_partitions where table_name='LIST_PART'; alter table list_part split partition p_merged values('a', 'b') into ( partition p1, partition p3 ); select table_name, partition_name, high_value from user_tab_partitions where table_n...
FREELISTS NUMBER Number of process freelists allocated to the segment; null for partitioned tables FREELIST_GROUPS NUMBER Number of freelist groups allocated to the segment; null for partitioned tables LOGGING VARCHAR2(3) Logging attribute; NULL for partitioned ...
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...
tables; analyze my_table compute statistics;—〉dba_tables 后 6 列 select extent_id,bytes from dba_extents where segment_name=’CUSTOMERS’ and segment_type=TABLE’ order by extent_id;//表使用的 extent 的信息.segment_type=’ROLLBACK查看回 滚段的空间分配信息 列信息: select distinct table_...
from user_part_tables where table_name ='LIST_PART_TAB'; 该分区表在哪一列上建分区,有无多列联合建分区: select column_name, object_type, column_position from user_part_key_columns where name ='LIST_PART_TAB'; 该分区表有多大: select sum(bytes) / 1024 / 1024 ...
在Oracle12c之前的版本中,rman进行数据恢复时只能进行database/tablespace/datafile/block四种级别的恢复,如果误操作删除某张表或表中数据,无法通过闪回进行数据还原时,且有完整备份以及归档,该种情况下可以进行表空间时间点恢复,但恢复方式较麻烦,在Oracle12c中,Oracle对rman功能进行了增强,除了之前的四种级别的恢复,rman...
A maximum of 3 tables can be allocated with the Free Tier Security Access Governance Service Unit price Unit Oracle Access Governance Premium - Workforce User (First 10,000 Workforce Users) $3.00 Workforce user per month Oracle Access Governance Premium - Workforce User (Greater than 10,000 ...