具体说明: schema 为数据库对象的集合,为了区分各个集合,我们须要给这个集合起个名字,这些名字就是我们在企业管理器的 schema 下看到的很多类似username的节点,这些类似username的节点事实上就是一个schema,schema 里面包括了各种对象如:tables,views,sequences,stored procedures,synonyms,indexes,clusters,and database li...
In Oracle Database 10g, Oracle introduced the new Transparent Data Encryption (TDE) feature, which let you easily encrypt a column’s data in a table. The encryption is called transparent because the Oracle database takes care of all the encryption and decryption details, with no need for you...
alter database datafile 'C:\APP\ADMINISTRATOR\ORADATA\MYORACLE\SYSTEM01.DBF' resize 800m; 1.
データベースを自動UNDO管理モードで実行することをお薦めします。詳細は、『Oracle Database管理者ガイド』を参照してください。 構文 create_tablespace::= 図create_tablespace.gifの説明 (permanent_tablespace_clause::=、temporary_tablespace_clause::=、undo_tablespace_clause::=を参照) ...
When it comes to databases in general and oracle specifically, we hear the term " tablespace " when trying to create a database object. there is some question
Oracle strongly recommends that you run your database in automatic undo management mode. For more information, refer toOracle Database Administrator's Guide. Syntax create_tablespace::= Description of the illustration create_tablespace.eps (permanent_tablespace_clause::=,temporary_tablespace_clause::=,...
You can use alter tablespace command to extend tablespace in Oracle: SQL> alter tablespace RAIDDATA add datafile 'FILE_LOCATION' size 100m autoextend on maxsize 31G; Note: You can find file location from the 1st query as mentioned above. In case of ASM, use diskgroup name as a file loca...
八个学习点帮助你全面认识Oracle数据库TableSpace TableSpace 表空间: 一个表空间对应多个数据文件(物理的dbf文件) 用语法方式创建tablespace,用sysdba登陆: --创建表空间mytabs,大小为10MB: <ccid_nobr> <ccid_code>create tablespace mytabs datafile 'C:\oracle\oradata\mydb\mytabs1.dbf' size 10M;...
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> c. Create a directory object in the on-premises database to reference the operating system directory. ...
在oracle中有时需要把表移动到其他表空间中,下面是移动的步骤。 首先,使用下面的命令移动: alter table table_name move tablespace tablespace_name; 然后,如果有索引的话必须重建索引: alter index index_name rebuild tablespace tablespace_name; 需要注意的地方是: ...