分享
 
 
 

DBA_Data_Files & DBA_Tablespaces

王朝other·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

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

VARCHAR2(9)

File status: AVAILABLE or INVALID (INVALID means that the file number is not in use, for example, a file in a tablespace that was dropped)

RELATIVE_FNO

NUMBER

Relative file number

AUTOEXTENSIBLE

VARCHAR2(3)

Autoextensible indicator

MAXBYTES

NUMBER

Maximum file size in bytes

MAXBLOCKS

NUMBER

Maximum file size in blocks

INCREMENT_BY

NUMBER

Autoextension increment

USER_BYTES

NUMBER

Corresponding number of bytes

USER_BLOCKS

NUMBER

Number of blocks which can be used by the data

dba_tablespaces的说明

DBA_TABLESPACES

DBA_TABLESPACES describes all tablespaces in the database.

Related View

USER_TABLESPACES describes the tablespaces Accessible to the current user. This view does not display the PLUGGED_IN column.

Column Datatype NULL Description

TABLESPACE_NAME

VARCHAR2(30)

NOT NULL

Tablespace name

BLOCK_SIZE

NUMBER

NOT NULL

Tablespace block size

INITIAL_EXTENT

NUMBER

Default initial extent size

NEXT_EXTENT

NUMBER

Default incremental extent size

MIN_EXTENTS

NUMBER

NOT NULL

Default minimum number of extents

MAX_EXTENTS

NUMBER

Default maximum number of extents

PCT_INCREASE

NUMBER

Default percent increase for extent size

MIN_EXTLEN

NUMBER

Minimum extent size for this tablespace

STATUS

VARCHAR2(9)

Tablespace status:

ONLINE

OFFLINE

READ ONLY

CONTENTS

VARCHAR2(9)

Tablespace contents:

UNDO

PERMANENT

TEMPORARY

LOGGING

VARCHAR2(9)

Default logging attribute:

LOGGING

NOLOGGING

FORCE_LOGGING

VARCHAR2(3)

Indicates whether this tablespace is under force logging mode (YES) or not (NO)

EXTENT_MANAGEMENT

VARCHAR2(10)

Indicates how the extents of this tablespace are managed:

DICTIONARY - Tablespace is dictionary managed

LOCAL - Tablespace is locally managed

ALLOCATION_TYPE

VARCHAR2(9)

Type of extent allocation in effect for this tablespace:

SYSTEM

UNIFORM

USER

PLUGGED_IN

VARCHAR2(3)

Indicates whether this tablespace is plugged in (YES) or not (NO)

SEGMENT_SPACE_MANAGEMENT

VARCHAR2(6)

Indicates how the used and free space in the segments in this tablespace are managed:

MANUAL - Segment space in this tablespace is managed using free lists

AUTO - Segment space in this tablespace is managed using bitmaps

right"(出处:清风软件下载学院)

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
2023年上半年GDP全球前十五强
 百态   2023-10-24
美众议院议长启动对拜登的弹劾调查
 百态   2023-09-13
上海、济南、武汉等多地出现不明坠落物
 探索   2023-09-06
印度或要将国名改为“巴拉特”
 百态   2023-09-06
男子为女友送行,买票不登机被捕
 百态   2023-08-20
手机地震预警功能怎么开?
 干货   2023-08-06
女子4年卖2套房花700多万做美容:不但没变美脸,面部还出现变形
 百态   2023-08-04
住户一楼被水淹 还冲来8头猪
 百态   2023-07-31
女子体内爬出大量瓜子状活虫
 百态   2023-07-25
地球连续35年收到神秘规律性信号,网友:不要回答!
 探索   2023-07-21
全球镓价格本周大涨27%
 探索   2023-07-09
钱都流向了那些不缺钱的人,苦都留给了能吃苦的人
 探索   2023-07-02
倩女手游刀客魅者强控制(强混乱强眩晕强睡眠)和对应控制抗性的关系
 百态   2020-08-20
美国5月9日最新疫情:美国确诊人数突破131万
 百态   2020-05-09
荷兰政府宣布将集体辞职
 干货   2020-04-30
倩女幽魂手游师徒任务情义春秋猜成语答案逍遥观:鹏程万里
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案神机营:射石饮羽
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案昆仑山:拔刀相助
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案天工阁:鬼斧神工
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案丝路古道:单枪匹马
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:与虎谋皮
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:李代桃僵
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:指鹿为马
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案金陵:小鸟依人
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案金陵:千金买邻
 干货   2019-11-12
 
推荐阅读
 
 
 
>>返回首頁<<
 
靜靜地坐在廢墟上,四周的荒凉一望無際,忽然覺得,淒涼也很美
© 2005- 王朝網路 版權所有