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  3. 學習啦>學習電腦>選購與維護>臺式機>《什么叫數據存儲結構》正文

    什么叫數據存儲結構

    時間:2015-10-12 10:37:32本文內容及圖片來源于讀者投稿,如有侵權請聯系xuexila888@qq.com 孫勝龍 我要投稿

      如今在我們生活中是一個科技主導的社會,并且是很多的事情都已經和科技、網絡、數據聯系到一起的,我們能夠做的就是要跟隨并且是適應這樣的一個狀態,因為這樣的情形是給我們的生活帶來了很多的便利的。數據是我們現在經常說到的詞匯,那么數據存儲的結構也是大家比較關注的東西。

      什么是數據存儲結構

      數據是我們經常說到也是經常用到的詞,可是要具體的說數據存儲的原來是什么結構是什么樣的我們卻很難做到,這也就是需要我們更加全面的去了解的東西。我們首先要知道的就是數據存儲的大前提是什么或者說是依靠什么進行數據存儲的,迄今為止電子計算機的工作原理都是馮若依曼原理,是我們很常見的。聽到數據存儲結構這個名詞可能會有一種一頭霧水的感覺,但是簡單來說就是數據元素之間的關系,那么根據元素之間不同的特性又可以分為不同的四種結構。

      數據存儲結構

      像剛剛說到的數據存儲是會根據元素之間不同的特性也隨之產生出不同的數據存儲結構。一就是集合關系,就是數據之間的元素是屬于一個集合的,是共同存在在一個整體內的。二是線性結構,在整體中所有的元素是屬于一對一的一個狀態。三就是樹形結構,在整體中數據的關系為一對多的關系。最后一個就是網狀結構,顧名思義就是一個在整體中多對多的形式。與此相對的數據還存在邏輯結構和物理上的結構。在程序中的變量也是存在著與此相對應的結構形式。在面對高端的數據時代時我們就需要明確在很大的程度上是很多事情和元素與元素之間都是有著一定的結構的,也正是因為結構才能夠更好的統計和運行。所有的事物都是因為有規律才得以順暢的進行,可能結構的繁多會讓我們摸不清頭腦,但是這些結構是在一定程度上幫助了我們便利了我們的生活,也是更好的保護和整理了我們所需要的一些數據和資料,并且所有的結構都是有規律可循的是我們在仔細觀察和學習之后就能夠很好的掌握的,是能夠很快的就融入到我們生活中去的。

    什么叫數據存儲結構

      這個世界上的很多東西都是有規律的也是在我們認真的去思考之后就能夠明白和理解的,我們只需要更好的明確的是什么然后去了解一下在生活中要知道常識,這些也都是在我們生活中沒有辦法避免的,掌握了之后也能夠幫助我們更好的生活。

      延伸閱讀

      分類

      順序存儲方法它是把邏輯上相鄰的結點存儲在物理位置相鄰的存儲單元里,結點間的邏輯關系由存儲單元的鄰接關系來體現,由此得到的存儲表示稱為順序存儲結構。順序存儲結構是一種最基本的存儲表示方法,通常借助于程序設計語言中的數組來實現。鏈接存儲方法它不要求邏輯上相鄰的結點在物理位置上亦相鄰,結點間的邏輯關系是由附加的指針字段表示的。由此得到的存儲表示稱為鏈式存儲結構,鏈式存儲結構通常借助于程序設計語言中的指針類型來實現。

      順序存儲和鏈接存儲的基本原理

      順序存儲和鏈接存儲是數據的兩種最基本的存儲結構。在順序存儲中,每個存儲空間含有所存元素本身的信息,元素之間的邏輯關系是通過數組下標位置簡單計算出來的線性表的順序存儲,若一個元素存儲在對應數組中的下標位置為i,則它的前驅元素在對應數組中的下標位置為i-1,它的后繼元素在對應數組中的下標位置為i+1。在鏈式存儲結構中,存儲結點不僅含有所存元素本身的信息,而且含有元素之間邏輯關系的信息。數據的鏈式存儲結構可用鏈接表來表示。其中data表示值域,用來存儲節點的數值部分。Pl,p2,…,Pill(1n≥1)均為指針域,每個指針域為其對應的后繼元素或前驅元素所在結點(以后簡稱為后繼結點或前驅結點)的存儲位置。通過結點的指針域(又稱為鏈域)可以訪問到對應的后繼結點或前驅結點,若一個結點中的某個指針域不需要指向其他結點,則令它的值為空(NULL)。在數據的順序存儲中,由于每個元素的存儲位置都可以通過簡單計算得到,所以訪問元素的時間都相同;而在數據的鏈接存儲中,由于每個元素的存儲位置保存在它的前驅或后繼結點中,所以只有當訪問到其前驅結點或后繼結點后才能夠按指針訪問到,訪問任一元素的時間與該元素結點在鏈式存儲結構中的位置有關。

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