startup oracle service

本文介绍了使用 SQL*Plus 工具以 sysdba 身份连接到 Oracle 数据库并启动数据库的具体命令。首先,在命令行中使用 sqlplus 命令不进行登录,然后通过 connect 命令以 sysdba 的身份连接到数据库,最后使用 startup 命令来启动数据库。

CMD: sqlplus /nolog

CMD: connect / as sysdba

CMD: startup

CMD: quit

转载于:https://www.cnblogs.com/chrisky2007/archive/2010/03/12/1684233.html

### Oracle Service Configuration and Troubleshooting #### Understanding Oracle Listener Startup To start the Oracle listener, which is essential for client connections to reach the database instance, one must ensure that `listener.ora` has been correctly configured with a specific name (listener_name). The command used for starting this critical component involves invoking scripts or commands designed specifically by Oracle for such purposes[^1]. For managing services associated directly with an Oracle installation on Linux systems utilizing Grid Infrastructure, operations like updating service files can be observed through messages indicating actions performed at certain timestamps; these logs provide insights into how cluster resources are managed during maintenance activities[^2]. #### Connecting Exporter Libraries to Oracle Databases When deploying exporters that interact with Oracle databases using libraries provided by Oracle itself, ensuring compatibility between versions becomes crucial especially when dealing with precompiled binaries rather than source code compilations where adjustments might still be possible before deployment[^3]. #### Handling Data Type Mismatches Between External DLLs and Oracle Procedures In scenarios involving interfacing external applications written in different languages or compiled as dynamic link libraries (.dll), issues may arise due to differences in data types supported across platforms. For example, integrating a .NET-based library returning values of type `longbool`, not natively recognized within PL/SQL procedures without conversion mechanisms being implemented externally via custom wrappers transforming output formats compatible with target environments—such as changing return types from non-standard Boolean representations found outside Java Virtual Machines towards character strings (`PChar`) more readily processed inside stored functions or triggers residing server-side[^5]. #### Proactive Monitoring Through Alerts Implementing proactive monitoring solutions allows administrators to receive timely notifications about potential security threats or general operational alerts concerning their Oracle setups. This approach helps maintain system integrity while facilitating swift responses whenever anomalies occur within networked infrastructures supporting mission-critical workloads hosted atop relational management systems[^4]. ```sql -- Example SQL script to check status of listeners and services SELECT * FROM v$session WHERE program LIKE '%(DESCRIPTION=(ADDRESS=%'; ``` --related questions-- 1. How does configuring multiple listeners affect performance? 2. What steps should be taken after replacing Clusterware entries in service configurations? 3. Can you explain best practices for maintaining up-to-date export tools connected to Oracle DBMS instances? 4. Are there alternative methods besides creating wrapper DLLs for handling incompatible data types returned by third-party APIs called from within Oracle packages? 5. Which alert categories under pro-active notification settings would most benefit organizations focused primarily on safeguarding sensitive information assets?
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