Oracle 重要物理文件全部视图

-- 数据文件视图
SELECT * FROM DBA_DATA_FILES;  
SELECT * FROM DBA_EXTENTS;
SELECT * FROM USER_EXTENTS;
SELECT * FROM DBA_FREE_SPACE;
SELECT * FROM USER_FREE_SPACE;
SELECT * FROM V$DATAFILE;
SELECT * FROM V$DATAFILE_HEADER;
-- 日志文件视图
SELECT * FROM V$LOG;
SELECT * FROM V$LOGFILE;
SELECT * FROM V$LOG_HISTORY;
-- 控制文件视图
SELECT * FROM V$DATABASE;
SELECT * FROM V$CONTROLFILE;
SELECT * FROM V$CONTROLFILE_RECORD_SECTION;
SELECT * FROM V$PARAMETER;

-- 参数文件视图
SELECT * FROM V$PARAMETER;
SELECT * FROM V$PARAMETER2;
SELECT * FROM V$SPPARAMETER;