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ORA-24327: need explicit attach before authenticating a user ORACLE 报错 故障修复 远程处理

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ORA-24327: need explicit attach before authenticating a user ORACLE 报错 故障修复 远程处理

文档解释

ORA-24327: need explicit attach before authenticating a user

Cause: A server context must be initialized before creating a session.

Action: Create and initialize a server handle.

ORA-24327:需要显式附加才能认证用户

官方解释

ORA-24327是指必须在认证Oracle数据库用户之前,有一个显式的附加(Attach)操作,而不能从一个只有声明(declare)的状态授权登录 use。

常见案例

当在Oracle数据库中声明一个用户帐户,准备为其分配角色,权限或其他属性,程序员可能会希望直接认证该用户而不需要一个显式的附加操作。可是该操作会导致ORA-24327错误。

一般处理方法及步骤

1. 登录Oracle数据库服务器,使用系统用户GUID。

2. 附加Oracle实例:connect /as sysdba

3. 检查用户是否存在: select username from dba_users;

4. 使用sysdba用户登录:conn / as sysdba

5. 创建用户:create user test identified by test;

6. 为用户授予pdba权限:grant dba to test;

7. 重新附加到数据库:conn test/test

8. 认证用户:alter user test identified by test;

9. 测试: select * from dual;

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ORA-24327: need explicit attach before authenticating a user ORACLE 报错 故障修复 远程处理

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