日期:2014-05-16  浏览次数:20522 次

Oracle数据文件收缩

随着数据库的使用,数据文件越来越大,有没有办法将标记为free的block挤掉

相关表:

DBA_DATA_FILES

DBA_DATA_FILES describes database files.

Column Datatype NULL Description
FILE_NAME VARCHAR2(513)   Name of the database file
FILE_ID NUMBER NOT NULL File identifier number of the database file
TABLESPACE_NAME VARCHAR2(30) NOT NULL Name of the tablespace to which the file belongs
BYTES NUMBER   Size of the file in bytes
BLOCKS NUMBER NOT NULL Size of the file in Oracle blocks
STATUS