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HomeDatabaseMysql TutorialORA-01652无法通过128(在表空间temp中)扩展temp段

今天提交请求后,提示ORA-01652: 无法通过 128 (在表空间 TEMP 中) 扩展 temp 段。最后通过ALTER DATABASE TEMPFILE

今天提交请求后,提示ORA-01652: 无法通过 128 (在表空间 TEMP 中) 扩展 temp 段。最后通过ALTER DATABASE TEMPFILE '/*/*/db/apps_st/data/tempx01.dbf' RESIZE 7168M;扩展临时表空间来解决。在网上找了些资料,重新学习下临时表空间的知识点,记录在此以免以后忘记。

临时表空间的作用:
 
  临时表空间主要用途是在数据库进行排序运算[如创建索引、order by及group by、distinct、union/intersect/minus/、sort-merge及join、analyze命令]、管理索引[如创建索引、IMP进行数据导入]、访问视图等操作时提供临时的运算空间,当运算完成之后系统会自动清理。
 
  当临时表空间不足时,表现为运算速度异常的慢,并且临时表空间迅速增长到最大空间(扩展的极限),并且一般不会自动清理了。
 
  如果临时表空间没有设置为自动扩展,,则临时表空间不够时事务执行将会报ora-01652无法扩展临时段的错误,当然解决方法也很简单:1、设置临时数据文件自动扩展,或者2、增大临时表空间。
 
  临时表空间的相关操作:
 
  查询默认临时表空间:
 
  SQL> select * from database_properties where property_name='DEFAULT_TEMP_TABLESPACE';
 
  PROPERTY_NAME
 
  ------------------------------
 
  PROPERTY_VALUE
 
  --------------------------------------------------------------------------------
 
  DESCRIPTION
 
  --------------------------------------------------------------------------------
 
  DEFAULT_TEMP_TABLESPACE
 
  TEMP
 
  Name of default temporary tablespace
 
  查询临时表空间状态:
 
  SQL> select tablespace_name,file_name,bytes/1024/1024 file_size,autoextensible from dba_temp_files;
 
  TABLESPACE_NAME
 
  ——————————
 
  FILE_NAME
 
  ——————————————————————————–
 
  FILE_SIZE AUT
 
  ———- —
 
  TEMP
 
  /u01/app/Oracle/oradata/orcl/temp01.dbf
 
  100 YES
 
  扩展临时表空间:
 
  方法一、增大临时文件大小:
 
  SQL> alter database tempfile ‘/u01/app/oracle/oradata/orcl/temp01.dbf’ resize100m;
 
  Database altered.
 
  方法二、将临时数据文件设为自动扩展:
 
  SQL> alter database tempfile ‘/u01/app/oracle/oradata/orcl/temp01.dbf’ autoextend on next 5m maxsize unlimited;

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