Oracle 数据库运行过程中由于硬件故障或操作系统故障导致导致Oracle无法以Oracle格式来识别或所包含的内容即为出现数据块损坏故障,这个坏块可以分为介质损坏以及逻辑损坏。


Git 是一个开源的分布式版本控制系统,用于敏捷高效地处理任何或小或大的项目。

Git 是 Linus Torvalds 为了帮助管理 Linux 内核开发而开发的一个开放源码的版本控制软件。

Git 与常用的版本控制工具 CVS, Subversion 等不同,它采用了分布式版本库的方式,不必服务器端软件支持。


Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. Create, explore, and share dashboards with your team and foster a data-driven culture: Visualizations: Fast and flexible client side graphs with a multitude of options. Panel plugins offer many different ways to visualize metrics and logs. Dynamic Dashboards: Create dynamic & reusable dashboards with template variables that appear as dropdowns at the


创建 audit 表空间 1 SQL> create tablespace audit_data datafile '/data/oracle/oradata/orcl/audit01.dbf' size 100m autoextend on next 50m; 将 AUD$ 从 SYSTEM 表空间迁移到新的表空间 注意如果sys.aud$很大,不需要可以先 truncate,不然移动会很

Oracle init.ora常用参数

When the Oracle database is started, one of the first things it needs to do is read the database initialization parameter file. The parameter file (init.ora) is created by the DBA and defines the overall instance configuration, such as how much memory should be allocated to the instance, the file locations, and internal optimization parameters. The initialization parameters are a very important part of the Oracle database. Oracle reads the