The 1992 acm sigmod international conference , san diego , california , usa , 1992 , pp . 19 - 28 . 4 graefe g . encapsulation of parallelism in the volcano query processing system 研究內(nèi)容包括針對不同系統(tǒng)目標(biāo)的數(shù)據(jù)庫體系結(jié)構(gòu)查詢處理和優(yōu)化事務(wù)管理數(shù)據(jù)存儲等各個(gè)方面。
I study mainly the storage of record and object , and bring forward the method of storage when the instance of object is embodied inside of record . 3 ) in the aspect of indexing , i presented a method that is generalized b - tree ( gbt ) and combining technique of founction template of c + + build the universal algorithm of queries , insert and delete . 4 ) finally , i analyze deeply and improve the query processing system of ormdbms , and confirm performance algorithm of linking and queries based on relational database . management system ( rdbms ) 在系統(tǒng)結(jié)構(gòu)和特性中分析了系統(tǒng)所采用的兩層體系結(jié)構(gòu),并且詳細(xì)探討了在設(shè)計(jì)和實(shí)現(xiàn)數(shù)據(jù)庫時(shí)所涉及到的幾個(gè)主要問題:支持復(fù)雜對象、類型擴(kuò)充、繼承機(jī)制和規(guī)則系統(tǒng)等;在存儲機(jī)制的討論中,主要研究了記錄和對象以及包含了對象實(shí)例記錄的存儲方法;在索引技術(shù)研究中,本文提出了類屬b樹的索引方法,通過c + +的函數(shù)模板技術(shù)給出了通用類屬b樹查詢、插入及其刪除的基本算法;最后,文章以關(guān)系數(shù)據(jù)庫為基礎(chǔ),深入分析并改進(jìn)了在對象關(guān)系多媒體數(shù)據(jù)庫中的查詢處理系統(tǒng),確定了選擇和連接操作的具體算法。