@文心快码alter tablespace sde autoextend on next 100m maxsize unlimited; 文心快码1. 解释alter tablespace sde autoextend on next 100m maxsize unlimited;这条SQL语句的含义 这条SQL语句用于修改Oracle数据库中名为sde的表空间,使其具备自动扩展的能力。具体来说: autoextend on:启用表空间的自动扩展功能。
如果表空间不是read write状态的,可以使用alter tablespace语句将其状态修改为read write,语句形式如下: alter tablespace tablespace_name read write; 修改表空间的状态为read write,也需要保证表空间处于online状态。 //查看表空间的状态 SQL> select tablespace_name,status from dba_tablespaces; TABLESPACE_NAME STAT...
使用ALTER TABLESPACE命令能在表空间层次上更方便的重新设置大小。 ALTER TABLESPACE media RESIZE 1G; 同样,对于表空间来说数据文件的AUTOEXTEND(自动扩展)属性可能被改变用来作为大文件(BIGFILE)表空间的整体属性。 ALTER TABLESPACE media AUTOEXTEND ON NEXT 100M MAXSIZE UNLIMITED; 如果你正在使用ASM盘组与ORACLE管理...
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If you omit datafile_tempfile_spec, then Oracle creates an Oracle-managed file of 100M with AUTOEXTEND enabled.You can add a datafile or tempfile to a locally managed tablespace that is online or to a dictionary managed tablespace that is online or offline. Be sure the file is not in ...
ALTER TABLESPACE temp_demo ADD TEMPFILE 'temp05.dbf' SIZE 5 AUTOEXTEND ON; ALTER TABLESPACE temp_demo DROP TEMPFILE 'temp05.dbf'; 一時表領域の領域の管理: 例 次の文は、「一時表領域の作成: 例」で作成した一時表領域の領域を、SHRINKSPACE句を使用して管理します。KEEP句が省略されているの...
For InnoDB tables, an ALTER TABLE operation that uses the COPY algorithm on a table that resides in a shared tablespace can increase the amount of space used by the tablespace. Such operations require as much additional space as the data in the table plus indexes. For a table residing in ...
For InnoDB tables, an ALTER TABLE operation that uses the COPY algorithm on a table that resides in a shared tablespace can increase the amount of space used by the tablespace. Such operations require as much additional space as the data in the table plus indexes. For a table residing in ...
-a|-action: specifies the action to alter the tablespace Syntax: -a online|offline|autoext|drop|fixsize|rename|resize online sets the data file online offline sets the data file offline autoext switches on or maintains autoextend fixsize switches off autoextend resize resizes the data file ...
AUTOEXTEND ON NEXT 100M MAXSIZE 10000M; 4.设定后查看表空间信息 SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES USED, C.BYTES FREE, (B.BYTES*100)/A.BYTES "% USED",(C.BYTES*100)/A.BYTES "% FREE" FROM SYS.SM$TS_AVAIL A,SYS.SM$TS_USED B,SYS.SM$TS_FREE C ...