Oracle Database 12c: The Complete Reference provides thorough coverage of all the changes-major and minor-that have taken place in the four years since the last database release. This Oracle Press guide begins by establishing critical database concepts and covers database architecture, cloud ...
12c is designed specifically for 21st century database infrastructure requirements. Combining the ability to simplify via consolidation and deliver the agility of a service-oriented platform via in-database virtualization, Oracle Database 12c delivers efficiency while improving user service levels. Search...
6.分区改进:Oracle Database 12c中对分区功能做了较多的调整,Oracle ACE总监杨廷琨花了较大的篇幅对分区提升进行了解读,其中共分成6个部分: INTERVAL-REFERENCE分区:把11g的interval分区和reference分区结合,这样主表自动增加一个分区后,所有的子表、孙子表、重孙子表、重重重...孙子表都可以自动随着外接列新数据增加...
解读Tom介绍的Oracle Database 12c的12个新特性 在OOW 2012上Tom kyte介绍了Oracle新一代重量级数据库产品12c 的12个新特性, 目前Open World 2012的主要PDF都可以下载了,传送门在此:Search Content Catalog for Oracle OpenWorld 2012 sessions。Tom的《12 Things About The Latest Generation of Database Technology...
Oracle Database 12c Rel. 2 Cluster Health Advisor - Deep Dive How it Works and How to Use It Mark V. Scardina – Director of Product Management Oracle Autonomous Health Framework and Oracle Quality of Service Management Ankita Khandelwal – Product Manager Oracle Autonomous Health Framework ...
Database Quickstart Tutorial Run SQL with Oracle Live SQL What's New in Release 12.2 Oracle Database In-Memory Introduction to Oracle Database In-Memory Enable the IM Column Store Populate the IM Column Store Optimize Space with Compression ...
6.分区改进:Oracle Database 12c中对分区功能做了较多的调整,Oracle ACE总监杨廷琨花了较大的篇幅对分区提升进行了解读,其中共分成6个部分: INTERVAL-REFERENCE分区:把11g的interval分区和reference分区结合,这样主表自动增加一个分区后,所有的子表、孙子表、重孙子表、重重重...孙子表都可以自动随着外接列新数据增加...
6.分区改进:Oracle Database 12c中对分区功能做了较多的调整,Oracle ACE总监杨廷琨花了较大的篇幅对分区提升进行了解读,其中共分成6个部分: INTERVAL-REFERENCE分区:把11g的interval分区和reference分区结合,这样主表自动增加一个分区后,所有的子表、孙子表、重孙子表、重重重...孙子表都可以自动随着外接列新数据增加...
oracle 12CR2引入了新的影响优先级的参数 REFERENCE_OVERRIDES_PARAMETER.当这个参数被设置成TRUE,那么优先级的顺序就会发生变化。如下图所示。 ESTIMATE_PERCENT 在收集统计信息过程中,可以使用ESTIMATE_PERCENT参数控制统计数据行的百分比。当表中的所有行都被统计(即100%采样),我们将会得到最准确的统计信息。Oracle数据...
Oracle database 21c introduced a newJSONdata type to provide native JSON support and improve the performance of JSON processing. PL/SQL Object Type for JSON have been updated to allow interaction with the new data type. TheJSON_OBJECT_Tconstructor supports the newJSONdata type, and there are ...