Bigfile tablespace 只允许一个数据文件,在大文件表空间下,Oracle使用32位来代表Block号, 每个文件最多可以容纳4G(2^32)个Block。那么也就是说当Block_size为2k时,数据文件可以达到8T。 当Block_size为8k时,数据文件可以达到32T。 当block_size 为32K时,数据文件可以达到128T。 一般不建议把单个数据文件建的太...
Bigfile tablespace 只允许一个数据文件,在大文件表空间下,Oracle使用32位来代表Block号, 每个文件最多可以容纳4G(2^32)个Block。那么也就是说当Block_size为2k时,数据文件可以达到8T。 当Block_size为8k时,数据文件可以达到32T。 当block_size 为32K时,数据文件可以达到128T。 一般不建议把单个数据文件建的太...
参考指南(Oracle 模式) 系统配置项 datafile_size 更新时间:2023-07-18 14:35:08 datafile_size用于设置数据文件的大小。 属性描述 参数类型容量单位 默认值0M 取值范围[0M, +∞) 是否重启 OBServer 生效否 说明 该配置项与datafile_disk_percentage同时配置时,以该配置项设置的值为准。有关datafile_disk_percen...
What is the maximum file size of an Oracle database datafile?The datafile is restricted by the either the Oracle database or the operating system where the database exists. The value will be decided by which ever is the lower of the two. Solution Sign In To view full details, sign in...
Hi, I am a newbie in Oracle11g and trying to learn for OCA.It is stated in the doc that maxsize is unlimited when using OMF."By default, an Oracle managed datafile for a permanent tablespace is 100 MB and is autoextensible with an unlimited maximum
Oracle Database - Enterprise Edition - Version 12.1.0.2 and later: ORA-00740: Datafile Size Of (4397465600) Blocks Exceeds Maximum File Size with BIGFILE tablespace
[oracle@rhel59 orcl]$ ls -lrt 8192*106240=870318080 而ls -lrt的结果中显示system01.dbf的大小为:870326272 870326272-870318080=8192,这多出的一个就是datafile中的os header, 参见文章: How to Detect and Fix a Corruption in the Datafile OS Header/Block Zero - ORA-27047 DBV-107 ORA-1157/ORA-...
Gets the allocated_size_kb of this Datafile. The allocated file size in KB. Returns: The allocated_size_kb of this Datafile. Return type: float free_space_kb Gets the free_space_kb of this Datafile. The free space available in the data file in KB. Returns: The free_space_kb of this...
You can use alter tablespace command to extend tablespace in Oracle: SQL> alter tablespace RAIDDATA add datafile 'FILE_LOCATION' size 100m autoextend on maxsize 31G; Note: You can find file location from the 1st query as mentioned above. In case of ASM, use diskgroup name as a file loca...
由于/u01目录使用率过高,现在想把数据文件从 /u01移到 /oradata 目录下,oracle版本是19c (非pdb),linux 7.5环境。 select file_name from dba_data_files; 如果是PDB容器,那么移动数据文件的时候,需要先切换到对应的pdb. ALTER SESSION SET container=pdbXXX; ...