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在Ubuntu系统中管理Oracle数据库的存储,可以遵循以下一些技巧和步骤:
1. 使用磁盘占用分析器(Disk Usage Analyzer)2. 使用Gnome磁盘工具(Disk Utility)3. 监控数据库性能
SELECT tablespace_name, round(SUM(bytes) / (1024 * 1024), 2) AS total_space_mb, round(SUM(bytes - NVL(used_space, 0)) / (1024 * 1024), 2) AS free_space_mb, round(NVL(used_space, 0) / (SUM(bytes) / 100), 2) AS used_percent FROM (SELECT tablespace_name, bytes, SUM(bytes) OVER (PARTITION BY tablespace_name) AS total_bytes, CASE WHEN maxbytes 0 THEN bytes ELSE maxbytes END AS max_bytes, used_bytes, maxbytes, (SELECT SUM(bytes) FROM dba_data_files WHERE tablespace_name df.tablespace_name) AS used_spaceFROM dba_free_space fs, dba_data_files df WHERE fs.tablespace_name() df.tablespace_name) GROUP BY tablespace_name;
4. 备份与恢复数据库
RMAN BACKUP DATABASE PLUS ARCHIVELOG;
RMAN RESTORE DATABASE;
RMAN RECOVER DATABASE;
5. 优化SQL查询
CREATE INDEX index_name ON table_name(column_name);
6. 使用Oracle SQL Developer管理数据库7. 配置自动存储管理(ASM)相关视图:
通过上述技巧和步骤,可以有效地管理Ubuntu系统上的Oracle数据库存储,确保数据库的高效运行和数据的安全性。