Advanced Compression选项是Oracle企业版数据库的一个额外功能,需要额外付费。确保数据库版本符合要求并已购买Advanced Compression选项。 创建表时启用数据压缩。在创建表时,可以通过在CREATE TABLE语句中添加COMPRESSION选项来启用数据压缩。例如: CREATE TABLE my_table ( column1 VARCHAR2(50), column2 NUMBER ) COMPRES...
It should benoted that Basic Table Compression is a base feature of Oracle Database 11gEnterprise Edition (EE).OLTP Table Compression is apart of the Oracle Advanced Compression option, which requires a license inaddition to the Enterprise Edition. 注意: Oracle 11g EE版本中只有: Basic Table Comp...
Oracle Database compression is built into the database, and application changes are not required to run Oracle Advanced Compression. Oracle Advanced Compression customer successes Organizations use Oracle Advanced Compression to efficiently manage data growth, minimizing database storage-related costs while ...
It should benoted that Basic Table Compression is a base feature of Oracle Database 11gEnterprise Edition (EE). OLTP Table Compression is apart of the Oracle Advanced Compression option, which requires a license inaddition to the Enterprise Edition. 注意: Oracle 11g EE版本中只有: Basic Table Co...
Compression Advisor Compression Advisor provides an estimate of the compression ratio that can be realized through the use of the Oracle Advanced Compression option. This estimate is based on analysis of a sample of data and provides a good estimate of the actual results you may obtain once you ...
本文是对Oracle RMAN各类压缩算法的对比测试。 Oracle RMAN的各类压缩算法: Oracle 提供Basic Compression Option(BCO)和Advanced Compression Option(ACO)两种选项,其中ACO又包含HIGH、MEDIUM、LOW三种压缩级别。 2.本次测试环境基本信息 测试环境:AIX 7.1 + Oracle 11.2.0.4 测试数据量:93G 代码语言:javascript 代...
在这三种压缩技术中,索引压缩和基础表压缩是产品自带的核心组件,但是,OLTP压缩需要独立的“Advanced Compression Option (ACO)” license授权。再第一篇文章中,我们先用基础表压缩造一些数据,把对数据更新删除的问题留到第二篇文章中,最后基于前两篇的铺垫,我们再研究下OLTP的压缩。索引压缩单独留在第四、第五篇中...
Oracle Database Backup Serviceでは、Oracle Advanced Security OptionまたはOracle Advanced Compression Optionの2つの機能を、追加費用なしで使用できます。 RMANバックアップの暗号化 すべてのRMANバックアップ圧縮のアルゴリズム Oracle Advanced SecurityオプションまたはOracle Advanced Compressionオプシ...
Select the binary compression algorithm to use for RMAN backup, either Basic, Low, Medium, or High. The default value is Basic. Note that the Low, Medium, and High compression algorithms fall under Advanced Compression. You must have or acquire a license for the Advanced Compression option to...
SQL> select * from v$option; PARAMETER VALUE --- --- Partitioning TRUE Objects TRUE Real Application Clusters FALSE Advanced replication TRUE Bit-mapped indexes TRUE Connection multiplexing TRUE Connection pooling TRUE Database queuing TRUE Incremental backup...