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recursive query中文是什么意思

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  • A recursive cte can greatly simplify the code needed to execute a recursive query within a select , insert , update , delete , or create view statement
    递归cte极大地简化了需要在select 、 insert 、 update 、 delete或create view语句中执行递归查询的代码。
  • Uses a recursive query common table expression to generate a multilevel bill of material : all level 1 components of a level 0 assembly , all level 2 components of a level 1 assembly , and so on
    Dbo . uspgetbillofmaterials使用递归查询(公用表表达式)来生成多级物料清单:级别0部件的所有级别1组件,级别1部件的所有级别2组件,等等。
  • When testing the results of a recursive query , you can limit the number of recursion levels allowed for a specific statement by using the maxrecursion hint and a value between 0 and 32 , 767 in the option clause of the insert , update , delete , or select statement
    在测试递归查询的结果时,可以通过在insert 、 update 、 delete或select语句的option子句中使用maxrecursion提示和0到32 , 767之间的值,来限制特定语句允许的递归级数。
  • This paper makes researches on pdm ' s kernel function - pcm ( product configuration management ) under the conditions of autocad and low - price dbms witch could be acceptable in our middle or small factories . this paper mainly discusses the recursive query algorithm based on general database witch is offered in oracle , the problem of the automatic bom maker for autocad and conversion from bom to product structure trees . thus the data of autocad files could go into erp ( enterprise resource plan )
    本文从pdm理念出发,在我国中小企业普遍能接受的autocad和低价位数据库管理系统的平台条件下,对pdm的核心技术模块pcm (产品结构管理)的实现进行了研究,重点解决了在一般数据库中实现数据库系统oracle中具备的递归查询算法, autocad环境下bom表的自动生成技术,以及bom表向产品结构树的转化问题,从而使cad数据通过bom表的桥梁作用进入erp (企业资源计划)系统。
  • ( 2 ) in order to validate the efficiency of algorithm , this paper design and implement a testing , platform rule processor based on sql server . the main function of the processor is to translate the first order logic rule into embedded - sql programs , which make sql server dbms possess the capability in expressing recursive query with logic language
    ( 2 )为验证算法的有效性,该文设计实现了一个测试平台? ?基于sqlserver的规则处理器,其主要功能为自动把一阶逻辑规则转换为含有sql语句的过程代码,这使得sqlserver数据库管理系统有了用逻辑数据语言表示递归查询的能力。
  • Returning hierarchical data is a common use of recursive queries , for example : displaying employees in an organizational chart , or data in a bill of materials scenario in which a parent product has one or more components and those components may , in turn , have subcomponents or may be components of other parents
    递归查询通常用于返回分层数据,例如:显示某个组织图中的雇员或物料清单方案(其中父级产品有一个或多个组件,而那些组件可能还有子组件,或者是其他父级产品的组件)中的数据。
  • Finally , makes good use of distributed database paralleling processing advantage and major recursive forms are single linear recursive forms and single recursive can turn into a union form n chain recursive . it introduces a / v _ chain recursive query algorithms with paralleling processing to show ddb " s insurance
    最后,借鉴了分布式数据库并行处理的优势和多数递归形式是单线性递归形式的共识以及单线递归都可以转化为一种共同形式? n链递归,介绍了演绎数据库系统递归查询算法?并行处理的n链递归查询算法,以示ddb的可靠性。
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Last modified time:Tue, 12 Aug 2025 00:29:56 GMT

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