查看当前数据库连接用户 8、进入test数据库:database test; 9、查看所有的数据库实例:select * from v$instance; 如:ora9i 10、查看当前库的所有数据表:...SQL> select TABLE_NAME from all_tables; select * from all_tables; SQL> select table_name from all_tables...; 12、显示CQI.T_BBS_XUS...
1.获得当前用户有权限的表的信息(ALL_TABLES ) (只要对某个表有任何权限,即可在此视图中看到表的相关信息) 表中各字段说明如下: 参考:https://www.iteye.com/blog/appleses-2280054 声明:此博客为个人学习之用,如与其他作品雷同,纯属巧合,转载请指明出处!
all_indexes bWHEREa.index_name = b.index_nameANDa.table_name =upper('zb_bal');---Oracle 查询库中所有表名、字段名、字段名说明,查询表的数据条数、表名、中文表名---查询所有表名:selectt.table_namefromuser_tables t;---查询所有字段名:selectt.column_namefromuser_col_comments t;---查询...
ALL_TABLES describes the relational tables accessible to the current user. To gather statistics for this view, use the ANALYZE SQL statement.Related Views DBA_TABLES describes all relational tables in the database.USER_TABLES describes the relational tables owned by the current user. Thi...
If you have worked with MySQL, you may be familiar with theSHOW TABLEScommand that lists all tables in a database: SHOWTABLES;Code language:SQL (Structured Query Language)(sql) Unfortunately, Oracledoes notdirectly support theSHOW TABLEScommand. However, you can list all tables in a database...
disk_reads desc) elapsed_rank from v$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_...
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,...
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; ...
1.3.1 提升SQL查询性能 1.3.2 提升表可管理性 1.3.3 提升数据可用性 二、基础分区策略 2.1 范围分区(Range Partition) 2.2 哈希分区(Hash Partition) 2.3 列表分区(List partition) 三、扩展分区策略 3.1 复合分区(Composite Partition) 3.2 引用分区(Reference Partition) ...
26、mpression indicates that all tables in the tablespace will be created with table compression enabled unless otherwise specified.RETENTIONVARCHAR2(11)Undo tablespace retention: GUARANTEE - Tablespace is an undo tablespace with RETENTION specified as GUARANTEEA RETENTION value of GUARANTEE indicates t 27...