The LMT is implemented by adding the extent management local clause to the tablespace definition syntax. Unlike the older dictionary managed tablespaces (DMTs), LMTs automate extent management and keep the Oracle DBA from being able to specify the ne…

一.  官方说明 Oracle 11gR2 文档: LOB Storage http://download.oracle.com/docs/cd/E11882_01/appdev.112/e18294/adlob_tables.htm#ADLOB45267 Oracle 10gR2 文档: LOBs in Tables http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14249/adlob_tables.htm#sthref165…

简化dba的管理操作 1:启用 omf 23:16:04 SYS@orcl> show parameter DB_CREATE_FILE_DEST NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_create_file_dest string 23:16:17 SYS@orcl> select distinct t1.name,t2.name d…

https://developer.apple.com/library/content/documentation/DataManagement/Conceptual/CoreDataSnippets/Articles/fetching.html This article contains snippets for fetching managed objects. To fetch managed objects, you minimally need a managed object con…

参考文章:<How to fix Wired Network interface “Device not managed” error in Debian or Kali Linux?> 文中提到,经常性的人们会遇到在有线连接的时候,当网线插上去之后,有线连接便提示“Device not managed”错误. 碰巧的是,虽然不是有线连接出了问题,但我的无线连接今天在安装完Debian系统之后也出了点小插曲,提示“Device not managed”. 于是便找到了这篇文章,在这篇文章的引导…

创建一个managed server. 1.  进入网页console管理页面,如:http://10.100.25.14:7001/console     , 先点击->服务器 (红色标记框),再点击->锁定并编辑  . 2.   点击-> 新建 3. 填好相关内容 (注意端口不要与admin server冲突) , 点击-> 下一步 4.  点击-> 完成 *********至此一个managed server已经创建完成. -----------------------…

2015-02-17 Created By BaoXinjian…

1. 编辑/etc/NetworkManager/NetworkManager.conf: sudo vi /etc/NetworkManager/NetworkManager.conf将其中的managed=false改为managed=true 2.重启network-manager service: sudo service network-manager restart 完成…

1. Introduction. 1.1 In part 1 of this series of blogs we studied how to pass a managed structure (which contains strings) to unmanaged code. The structure was passed as an "in" (by-value) parameter, i.e. the structure was passed to the unmanage…

ubuntu安装好后显示“device not managed” 1. 编辑/etc/NetworkManager/NetworkManager.conf: sudo gedit /etc/NetworkManager/NetworkManager.conf 将其中的managed=false改为managed=true 2.重启network-manager service: sudo service network-manager restart 在ubuntu中设置address(ip),…

Enable function-level control for compiling functions as managed or unmanaged.     #pragma managed #pragma unmanaged #pragma managed([push,] on | off) #pragma managed(pop) Remarks     The /clr compiler option provides module-level control for compili…

我们知道Oracle数据库真正存放数据的是数据文件(Data File),oracle表空间(tablespace)实际上是一个逻辑的概念,在物理上是并不存在的,那么把一组data files捻在一起就成为一个表空间.表空间属性:一个数据库可以包含多个表空间,一个表空间只能属于一个数据库一个表空间包含多个数据文件,一个数据文件只能属于一个表空间表空间可以划分成更细的逻辑存储单元: Oracle数据库的存储空间结构: 从逻辑的角度来看,一个数据库(database)下面可以分多个表空间(table…

14.5 InnoDB Tablespace Management   14.5.1 Resizing the InnoDB System Tablespace 14.5.2 Changing the Number or Size of InnoDB Redo Log Files 14.5.3 Using Raw Disk Partitions for the System Tablespace 14.5.4 InnoDB File-Per-Table Tablespaces 14.5.5 Cr…

引言: 数据库突然报: ORA-01654: unable to extend index BO.INDEX_indexname by 311072 in tablespace 错误,上网查原因,发现解决方法只有一个,就 是增加tablespace的大小．现归纳解决此问题的方法如下． 方法1: 当出现类似错误时,首先检查tablespace的空间是否足够大,如果不够大,说明tablespace的空间不够扩展了,这时候需要将tablespace的datafile的 size变大,方法很简单我就不讲…

61. View the Exhibit.Which statement regarding the dept and emp tables is true?A) When you delete a row from the emp table, you would receive a constraint violation error.B) When you delete a row from the dept table, you would receive a constraint vi…

Locally vs. Dictionary Managed Tablespaces 整理自:http://www.orafaq.com/node/3. When Oracleallocates space to a segment (like a table or index), a group of contiguousfree blocks, called an extent, is added to the segment. Metadata regardingextent alloca…

问题现象: 测试库使用如下方式创建索引: create index IDX_ANA_OFFICE on ANA (OFFICE_CITY, OFFICE_NO)   tablespace IDX   pctfree 10   initrans 2   maxtrans 255   storage   (     initial 128K     next 128K     minextents 1     maxextents unlimited     pctincrease 0   ); 报…

 下面是我总结的OCP教程的知识点.以备參考之用. 1, What's Oracle Server? ·         It's a database management system that provides an open, comprehensive, integrated approach to information management. ·         Consists of an Oracle instance and an Oracle database 2,What…

ORA-00001: 违反唯一约束条件 (.) ORA-00017: 请求会话以设置跟踪事件 ORA-00018: 超出最大会话数 ORA-00019: 超出最大会话许可数 ORA-00020: 超出最大进程数 () ORA-00021: 会话附属于其它某些进程:无法转换会话 ORA-00022: 无效的会话 ID:访问被拒绝 ORA-00023: 会话引用进程私用内存:无法分离会话 ORA-00024: 单一进程模式下不允许从多个进程注册 ORA-00025: 无法分配  ORA-00026:…

以前写了一篇ORACLE临时表空间总结的文章, 里面介绍了几个查看临时表空间使用情况的脚本,其中一个脚本如下所示: SELECT TU.TABLESPACE_NAME                                    AS "TABLESPACE_NAME",        TT.TOTAL - TU.USED                                    AS "FREE(G)",        TT.TOTAL    …

ORACLE数据库最多可以拥有多少个表空间(Tablespace)?数据库最多拥有多少个数据文件(Database files).数据库的数据文件最大可以多大?遇到这些问题只能查询官方文档,人的记忆能力是有限的.正所谓好记性不如烂笔头.下面是ORACLE 10g数据库的一些限制,以供参考. Physical Database Limits Item Type of Limit Limit Value Database Block Size Minimum 2048 bytes; must be…

///////////////////////////////////////////////////////////////ORA-00001: 违反唯一约束条件 (.)ORA-00017: 请求会话以设置跟踪事件ORA-00018: 超出最大会话数ORA-00019: 超出最大会话许可数ORA-00020: 超出最大进程数 ()ORA-00021: 会话附属于其它某些进程:无法转换会话ORA-00022: 无效的会话 ID:访问被拒绝ORA-00023: 会话引用进程私用内存:无法分离会话O…

APPLIES TO: Oracle Database - Enterprise Edition - Version 8.1.7.4 to 11.2.0.1 [Release 8.1.7 to 11.2]Information in this document applies to any platform.***Checked for relevance on 03-Nov-2014*** PURPOSE This article describes what happens when a s…

APPLIES TO: Oracle Database - Enterprise Edition - Version 9.2.0.1 and laterInformation in this document applies to any platform.Checked for relevance on 17 April 2012 PURPOSE This note will discuss resizing of Oracle datafiles (larger or smaller) SC…

9 Pluggable Databases This section provides details on the Pluggable Databases (PDB) metrics. 9.1 Datafiles This section provides details on the datafile metrics. 9.1.1 Datafile Name Name of the database file or temporary file. Metric Summary The fol…

A permanent tablespace contains persistent schema objects. Objects in permanent tablespaces are stored in data files. An undo tablespace is a type of permanent tablespace used by Oracle Database to manage undo data if you are running your database in…

select * from DBA_CONS_COLUMNS ; ---Information about accessible columns in constraint definitions select * from DBA_LOG_GROUP_COLUMNS ; ---Information about columns in log group definitions select * from DBA_LOBS ; ---Description of LOBs contained i…

1:数据安装操作练习:考试题目 1: Creating a database & Server Configuration --[101]-- #创建数据库 1. Create the database #使用dbca创建一个PROD1数据库,包括Sample Schema,启用archivelog,没有EM. 1.1 Create a PROD1 database with dbca, including Sample Schema, enable archivelog, without EM…

注:本文来源于 <腾科OCP培训课堂>.非准许商业活动. Oracle 数据库逻辑结构 一.存储关系 Oracle 数据库逻辑上是由一个或多个表空间组成的,表空间物理上是由一个或多个数据 文件组成的:而在逻辑上表空间又是由一个或多个段组成的.在Oracle 数据库中,通过为 每种不同的数据对象分配不同的段,来保存数据.例如EMP 表的所有数据会存放在EMP 段中.在Oracle 数据库中,段是由一个或多个区组成的,而区又是由连续存储的数据块所 组成的.块则是数据库的I/O 最小的单位. (一)…

LAST UPDATE:     1 Dec 15, 2016 APPLIES TO:     1 2 3 4 Oracle Database - Enterprise Edition - Version 7.0.16.0 and later Oracle Database - Standard Edition - Version 7.0.16.0 and later Oracle Database - Personal Edition - Version 7.1.4.0 and later I…