首页> 外国专利> EFFICIENTLY SUPPORTING VALUE STYLE ACCESS OF MOBs STORED IN SQL LOB COLUMN BY PROVIDING VALUE BASED SEMANTICS FOR LOBs IN RDBMS

EFFICIENTLY SUPPORTING VALUE STYLE ACCESS OF MOBs STORED IN SQL LOB COLUMN BY PROVIDING VALUE BASED SEMANTICS FOR LOBs IN RDBMS

机译:通过在RDBMS中提供基于值的LOB的基于价值的语义,有效地支持SQL LOB列中存储在SQL LOB列中的Fogs的值

摘要

Described are improved systems, computer program products, and methods for an improved approach to access small to medium size objects (MOBs) stored in LOB data type columns of a RDBMS. The approach includes receiving a SQL statement comprising a retrieval of a large object (LOB). The approach also includes determining whether to return a value of the LOB or a reference to a storage location storing the value of the LOB based on: a data dictionary property of the LOB to return the value of the LOB, a function included in the SQL statement to return the value of the LOB, or a flag derived from a SQL operator tree propagation to return the value of the LOB.
机译:描述是改进的系统,计算机程序产品和用于改进的方法的方法,用于进入存储在RDBMS的LOB数据类型列中的中等大小对象(MOBS)的方法。该方法包括接收包括检索大对象(LOB)的SQL语句。该方法还包括:基于以下方式确定是否返回存储LOB的值或对存储LOB值的存储位置的值,以返回LOB的值,包括在SQL中的函数的数据字典属性语句返回LOB的值,或从SQL运算符树传播导出的标志以返回LOB的值。

著录项

相似文献

  • 专利
  • 外文文献
  • 中文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号