Oracle conncect role vs create session
The CONNECT role was introduced with OracleDatabase version 7, which added new and robust support for database roles. TheCONNECT role is used in sample code, applications, documentation, and technicalpapers. The CONNECT role was established with the following privileges :
Privileges Originally Associated with the CONNECT Role
Alter Session Create Session
Create Cluster Create Synonym
Create Database Link Create Table
Create Sequence Create View
However, beginning in Oracle Database 10gRelease 2 (10.2), the CONNECT role has only the CREATE SESSION privilege, allother privileges are removed.
DBA: 拥有全部特权，是系统最高权限，只有DBA才可以创建数据库结构。
RESOURCE:拥有Resource权限的用户只可以创建实体，不可以创建数据库结构。
CONNECT:拥有Connect权限的用户只可以登录数据库，不可以创建实体，不可以创建数据库结构。
对于普通用户：授予connect, resource权限。
对于DBA管理用户：授予connect，resource, dba权限。
SQL> select * from role_sys_privs where ROLE = 'CONNECT'; ROLE PRIVILEGE ADM ------------------------------ ---------------------------------------- --- CONNECT CREATE SESSION NO SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production PL/SQL Release 11.2.0.4.0 - Production CORE 11.2.0.4.0 Production TNS for Linux: Version 11.2.0.4.0 - Production NLSRTL Version 11.2.0.4.0 - Production
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