Oracle Schema Objects
Introduction to Schema Objects
A schema is a collection of logical structures of data, or schema objects. A schema is owned by a database user and has the same name as that user. Each user owns a single schema. Schema objects can be created and manipulated with SQL and include the following types of objects:
Clusters
Database links
Database triggers
Dimensions
External procedure libraries
Indexes and index types
Java classes, Java resources, and Java sources
Materialized views and materialized view logs
Object tables, object types, and object views
Operators
Sequences
Stored functions, procedures, and packages
Synonyms
Tables and index-organized tables
Views
Other types of objects are also stored in the database and can be created and manipulated with SQL but are not contained in a schema:
Contexts
Directories
Profiles
Roles
Tablespaces
Users
http://www.stanford.edu/dept/itss/docs/oracle/10g/server.101/b10743/schema.htm#i5669
相关文档：
sql*plus 命令
//执行脚本
@和start d:/a.txt;
//修改脚本
edit d:/a.txt;
//将内容输入到文本中
sloop d:/a.txt; //开始记录屏幕内容
sloop off; //记录结束
//链接登录数据库
connect system/919959 as sysdba/sysoper; //权限最大dba
connect sys/919959;
connect scott/ti ......
Oracle安装篇
版本：win32_11gR1_database_1013
系统：win7
内存：3g（偶自己地-0-）
1、因为操作系统选择了win7，所以在安装之选需要修改一下配置文件，database\stage\prereq\db\refhost.xml
2、修改完配置文件后，点install安装即可，等dos界面加载完后跳出如下界面
3、下一步
4、选择企业版，然后 ......
症状：oracle sqlplus没反应
oracle10g的有十几个机器客户端10.2.0.1.0，执行sqlplus这个命令没反映。此时cpu使用为99.9%，观察了一会，不释放。
oracle其他命令都好使。
环境变量、ping tnsname等都没问题。。且这些机器都是至少运行了200多天左右，
但一旦重启OS就好使了。。
或者不重启OS，换成9i的客户端，sqlplus ......
SELECT trim(NAME) ||' '|| VALUE from v$parameter
WHERE NAME IN ('sga_max_size','db_cache_size','shared_pool_size',
'shared_pool_reserved_size','large_pool_size','java_pool_size',
'db_block_size','db_block_buffers','log_buffer','sort_area_si ......
