hibernate例子

摘要： 一. 说明在之前的blog： Oracle Statistic 统计信息 小结 http://blog.csdn.net/tianlesoftware/archive/2009/10/15/4668723.aspx 里对统计信息的收集有说明， Oracle 的Automatic Statistics Gathering 是通过Scheduler 来实现收集和维护的。 Job 名称是GATHER_STATS_JOB, 该Job收集数据库所有对象的2种统计信息： （1）Missing statistics（统计信息缺失） （2）Stale statistics（统计信息陈旧） 该Job 是在数据库 阅读全文

摘要： 朋友说数据库异常宕机后，启动时报600错误。ora-00600:internal error code ,arguments:[kccpb_sanity_check_2],[3106],[3104],[0x000000000],[],[],[],[]在官网搜了一下，相关的说明如下：Cause [kccpb_sanity_check_2] indicates that the seq# of the last read block is higher than the seq# of the control file header block. This is indication of the 阅读全文

摘要： 官网的两个连接如下：Tables and Table Clustershttp://download.oracle.com/docs/cd/E11882_01/server.112/e16508/tablecls.htm#i20438Indexes and Index-Organized Tableshttp://download.oracle.com/docs/cd/E11882_01/server.112/e16508/indexiot.htm#CBBFIFAB这2个文章讲的比较详细，在这里我将一些内容粘贴出来。You can create a relational table with 阅读全文

摘要： 一. dba_errors 表官网对这个表的说明如下：ALL_ERRORS：describes the current errors on the stored objects accessible to the current user.DBA_ERRORS：describes the current errors on all stored objects in the database.USER_ERRORS： describes the current errors on the stored objects owned by the current user. This view d 阅读全文

摘要： Oracle 官网有关单实例迁移到RAC的一个步骤说明： How to Convert 10g Single-Instance database to 10g RAC using Manual Conversion procedure [ID 747457.1] http://blog.csdn.net/tianlesoftware/archive/2010/12/09/6065903.aspx RMAN 备份异机恢复 并创建新DBID http://blog.csdn.net/tianlesoftware/archive/2011/03/11/6240983.aspx一. 大致操作步骤如下： 阅读全文

摘要： Applies to: Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 11.1.0.6Information in this document applies to any platform.GoalThis document describes the procedures for converting from Oracle ASM 10g single-instance to Oracle Real Application Clusters (RAC). SolutionTo convert a single-inst 阅读全文

摘要： Upon startup of Linux database get ORA-27102: out of memory Linux-X86_64 Error: 28: No space left on device [ID 301830.1]Applies to: Oracle Server - Enterprise Edition - Version: 9.2.0.4 to 11.2.0.2 - Release: 9.2 to 11.2Red Hat Enterprise Linux Advanced Server x86-64 (AMD Opteron Architecture)x86 6 阅读全文

摘要： 一. 说明在官网看到一篇ASM 升级的文档，如下： How To Upgrade ASM from 10.2 to 11.1 (RAC) http://blog.csdn.net/tianlesoftware/archive/2011/04/25/6362083.aspx Unable To Open Database After ASM Upgrade From Release 11.1 To Release 11.2 http://blog.csdn.net/tianlesoftware/archive/2011/04/25/6362184.aspxRAC 下数据库的升级参考： Redha 阅读全文

摘要： 在官网看到了这段信息，讲的很细。 贴过来。Logical Storage Structureshttp://download.oracle.com/docs/cd/E11882_01/server.112/e16508/logical.htm#CNCPT7668 Oracle Database manages the logical storage space in the data files of a database in units called data blocks, also called Oracle blocks or pages. A data block is the m 阅读全文

摘要： 一. 官网的说明Oracle 官网对quota的定义如下： A limit on a resource, such as a limit on the amount of database storage used by a database user. A database administrator can set tablespace quotas for each Oracle Database username.有关Oracle Quota 这块，只在Oracle 的安全管理这块搜到了一些内容。 Managing Security for Oracle Database Users 阅读全文