oracle DBA运维的常用命令
时间: 2024-03-29 14:32:27 浏览: 102
Oracle DBA数据库项目组日常运维及应急故障处理手册
以下是一些Oracle DBA运维常用命令[^1]:
1. 查看数据库版本:
```sql
SELECT * FROM v$version;
```
2. 查看数据库实例状态:
```sql
SELECT instance_name, status FROM v$instance;
```
3. 查看表空间使用情况:
```sql
SELECT tablespace_name, used_space, free_space FROM dba_tablespaces;
```
4. 查看表空间文件的物理路径:
```sql
SELECT tablespace_name, file_name FROM dba_data_files;
```
5. 查看数据库用户:
```sql
SELECT username FROM dba_users;
```
6. 查看数据库会话:
```sql
SELECT sid, serial#, username, status FROM v$session;
```
7. 查看数据库当前活动的SQL语句:
```sql
SELECT sql_text FROM v$sql WHERE status = 'ACTIVE';
```
8. 查看数据库锁信息:
```sql
SELECT session_id, lock_type, mode_held FROM v$lock;
```
9. 查看数据库性能指标:
```sql
SELECT * FROM v$sysstat;
```
10. 查看数据库日志文件组:
```sql
SELECT group#, thread#, sequence#, status FROM v$log;
```
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