{"id":478937,"date":"2023-08-09T09:40:36","date_gmt":"2023-08-09T09:40:36","guid":{"rendered":""},"modified":"2023-09-05T11:17:52","modified_gmt":"2023-09-05T11:17:52","slug":"serializability","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/serializability\/","title":{"rendered":"Serile\u015ftirilebilirlik"},"content":{"rendered":"<p>Serile\u015ftirilebilirlik hakk\u0131nda k\u0131sa bilgi<\/p>\n<p>Serile\u015ftirilebilirlik, e\u015fzamanl\u0131 veritaban\u0131 i\u015flem zamanlamas\u0131n\u0131n bir \u00f6zelli\u011fidir. E\u015f zamanl\u0131 i\u015flemlerin y\u00fcr\u00fct\u00fclmesine ili\u015fkin sonu\u00e7lar\u0131n, i\u015flemlerin serile\u015ftirildi\u011fi, yani \u00f6rt\u00fc\u015fmeden birbiri ard\u0131na y\u00fcr\u00fct\u00fcld\u00fc\u011f\u00fc baz\u0131 s\u0131rayla tutarl\u0131 olmas\u0131n\u0131 sa\u011flar. Serile\u015ftirilebilirlik, bir veritaban\u0131n\u0131n b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc korumak i\u00e7in \u00e7ok \u00f6nemlidir ve i\u015flem e\u015fzamanl\u0131l\u0131k kontrol\u00fcnde en kat\u0131 izolasyon d\u00fczeyi olarak kabul edilir.<\/p>\n<h2>Serile\u015ftirilebilirli\u011fin k\u00f6keninin tarihi ve bundan ilk s\u00f6z<\/h2>\n<p>Bir kavram olarak serile\u015ftirilebilirlik, 1970&#039;lerdeki veritaban\u0131 y\u00f6netim sistemlerinin ilk g\u00fcnlerine kadar izlenebilmektedir. \u00c7ak\u0131\u015fan g\u00fcncellemeler olmadan verilere e\u015fzamanl\u0131 eri\u015fim ihtiyac\u0131, \u00e7e\u015fitli e\u015fzamanl\u0131l\u0131k kontrol mekanizmalar\u0131n\u0131n geli\u015ftirilmesine yol a\u00e7t\u0131. Serile\u015ftirilebilirlik kavram\u0131 resmi olarak Eswaran ve di\u011ferleri taraf\u0131ndan tan\u0131mland\u0131. 1976&#039;daki ufuk a\u00e7\u0131c\u0131 makalelerinde. Veritaban\u0131 i\u015flemlerinin tutarl\u0131l\u0131\u011f\u0131n\u0131n sa\u011flanmas\u0131na y\u00f6nelik standard\u0131 belirledi.<\/p>\n<h2>Serile\u015ftirilebilirlik hakk\u0131nda ayr\u0131nt\u0131l\u0131 bilgi. Serile\u015ftirilebilirlik konusunu geni\u015fletme<\/h2>\n<p>Serile\u015ftirilebilirlik, e\u015fzamanl\u0131 i\u015flemlerin aral\u0131kl\u0131 olarak y\u00fcr\u00fct\u00fclmesinin, ayn\u0131 i\u015flemlerin baz\u0131 seri y\u00fcr\u00fct\u00fclmesine e\u015fde\u011fer bir sonuca yol a\u00e7mas\u0131n\u0131 sa\u011flar. \u0130ki ana serile\u015ftirilebilirlik t\u00fcr\u00fc vard\u0131r:<\/p>\n<ol>\n<li>\n<p><strong>\u00c7at\u0131\u015fma Serile\u015ftirilebilirli\u011fi<\/strong>: Yaln\u0131zca \u00e7ak\u0131\u015fan i\u015flemleri dikkate al\u0131r ve \u00e7ak\u0131\u015fmayan i\u015flemleri g\u00f6z ard\u0131 eder. \u00c7at\u0131\u015fma serile\u015ftirilebilirli\u011fi, iki a\u015famal\u0131 kilitleme gibi tekniklerle elde edilebilir.<\/p>\n<\/li>\n<li>\n<p><strong>Serile\u015ftirilebilirli\u011fi G\u00f6r\u00fcnt\u00fcle<\/strong>: Yaln\u0131zca \u00e7at\u0131\u015fmalar\u0131 de\u011fil ayn\u0131 zamanda \u00e7izelgeler aras\u0131ndaki di\u011fer e\u015fde\u011ferlikleri de hesaba katan daha genel bir form. Daha esnektir ancak uygulanmas\u0131 daha zordur.<\/p>\n<\/li>\n<\/ol>\n<h2>Serile\u015ftirilebilirli\u011fin i\u00e7 yap\u0131s\u0131. Serile\u015ftirilebilirlik nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/h2>\n<p>Serile\u015ftirilebilirlik, i\u015flemlerin ayn\u0131 anda y\u00fcr\u00fct\u00fclmesine izin vererek, ancak bunlar\u0131 nihai sonucun baz\u0131 seri y\u00fcr\u00fctmelerle e\u015fle\u015fecek \u015fekilde k\u0131s\u0131tlanmas\u0131yla \u00e7al\u0131\u015f\u0131r. Bu genellikle kilitleme mekanizmalar\u0131, zaman damgas\u0131 s\u0131ralamas\u0131 veya iyimser e\u015fzamanl\u0131l\u0131k kontrol\u00fc yoluyla uygulan\u0131r.<\/p>\n<p>S\u00fcre\u00e7 tipik olarak \u015funlar\u0131 i\u00e7erir:<\/p>\n<ol>\n<li>\u0130\u015flemleri atomik i\u015flemlere ay\u0131rma.<\/li>\n<li>Operasyonlar aras\u0131ndaki \u00e7at\u0131\u015fmalar\u0131 y\u00f6netmek ve tespit etmek.<\/li>\n<li>Kontrol mekanizmalar\u0131 arac\u0131l\u0131\u011f\u0131yla tutarl\u0131 bir y\u00fcr\u00fctme s\u0131ras\u0131n\u0131n sa\u011flanmas\u0131.<\/li>\n<\/ol>\n<h2>Serile\u015ftirilebilirli\u011fin temel \u00f6zelliklerinin analizi<\/h2>\n<p>Serile\u015ftirilebilirli\u011fin temel \u00f6zellikleri \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li><strong>Tutarl\u0131l\u0131k<\/strong>: \u0130\u015flemlerin b\u00fct\u00fcnl\u00fck k\u0131s\u0131tlamalar\u0131na uymas\u0131n\u0131 sa\u011flar.<\/li>\n<li><strong>\u0130zolasyon<\/strong>: Devam eden i\u015flemleri ba\u015fkalar\u0131n\u0131n etkilerinden korur.<\/li>\n<li><strong>E\u015fzamanl\u0131l\u0131k<\/strong>: Birden fazla i\u015flemin ayn\u0131 anda y\u00fcr\u00fct\u00fclmesine olanak sa\u011flar.<\/li>\n<li><strong>Kurtar\u0131labilirlik<\/strong>: Tutars\u0131zl\u0131k olmadan ar\u0131zadan kurtarmay\u0131 sa\u011flar.<\/li>\n<\/ul>\n<h2>Hangi t\u00fcr Serile\u015ftirilebilirli\u011fin mevcut oldu\u011funu yaz\u0131n. Yazmak i\u00e7in tablolar\u0131 ve listeleri kullan\u0131n<\/h2>\n<table>\n<thead>\n<tr>\n<th>Tip<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u00c7at\u0131\u015fma Serile\u015ftirilebilirli\u011fi<\/td>\n<td>Yaln\u0131zca \u00e7ak\u0131\u015fan i\u015flemleri dikkate al\u0131r ve uygulanmas\u0131 daha kolayd\u0131r.<\/td>\n<\/tr>\n<tr>\n<td>Serile\u015ftirilebilirli\u011fi G\u00f6r\u00fcnt\u00fcle<\/td>\n<td>Daha genel fakat karma\u015f\u0131k bir yakla\u015f\u0131m sunarak hem \u00e7eli\u015fen hem de \u00e7eli\u015fmeyen i\u015flemleri hesaba katar.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Serile\u015ftirilebilirli\u011fin kullan\u0131m yollar\u0131, kullan\u0131ma ili\u015fkin sorunlar ve \u00e7\u00f6z\u00fcmleri<\/h2>\n<p>Serile\u015ftirilebilirlik, tutarl\u0131l\u0131\u011f\u0131 korumak i\u00e7in veritaban\u0131 sistemlerinde yayg\u0131n olarak kullan\u0131l\u0131r. Ancak baz\u0131 zorluklarla birlikte gelir:<\/p>\n<ul>\n<li><strong>Performans Ek Y\u00fck\u00fc<\/strong>: Kesin serile\u015ftirilebilirli\u011fin sa\u011flanmas\u0131 performans\u0131n d\u00fc\u015fmesine neden olabilir.<\/li>\n<li><strong>Kilitlenmeler<\/strong>: \u00c7ak\u0131\u015fan i\u015flemler kilitlenmelere neden olabilir.<\/li>\n<\/ul>\n<p>\u00c7\u00f6z\u00fcmler:<\/p>\n<ul>\n<li><strong>\u0130yimser E\u015fzamanl\u0131l\u0131k Kontrol\u00fc<\/strong>: Kilitleme y\u00fck\u00fcn\u00fc azalt\u0131r.<\/li>\n<li><strong>Kilitlenme Tespit ve \u00c7\u00f6z\u00fcn\u00fcrl\u00fck Algoritmalar\u0131<\/strong>: \u00c7ak\u0131\u015fan i\u015flemleri y\u00f6netin ve \u00e7\u00f6z\u00fcn.<\/li>\n<\/ul>\n<h2>Tablolar ve listeler \u015feklinde ana \u00f6zellikler ve benzer terimlerle di\u011fer kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellikler<\/th>\n<th>Serile\u015ftirilebilirlik<\/th>\n<th>Di\u011fer \u0130zolasyon Seviyeleri<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tutarl\u0131l\u0131k<\/td>\n<td>Y\u00fcksek<\/td>\n<td>De\u011fi\u015fir<\/td>\n<\/tr>\n<tr>\n<td>E\u015fzamanl\u0131l\u0131k<\/td>\n<td>Il\u0131man<\/td>\n<td>Genellikle Daha Y\u00fcksek<\/td>\n<\/tr>\n<tr>\n<td>Karma\u015f\u0131kl\u0131k<\/td>\n<td>Y\u00fcksek<\/td>\n<td>Orta ila D\u00fc\u015f\u00fck<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Serile\u015ftirilebilirli\u011fe ili\u015fkin gelece\u011fin perspektifleri ve teknolojileri<\/h2>\n<p>Gelecekteki geli\u015fmeler \u015funlar\u0131 i\u00e7erebilir:<\/p>\n<ul>\n<li>E\u015fzamanl\u0131l\u0131k kontrol\u00fc i\u00e7in geli\u015ftirilmi\u015f algoritmalar.<\/li>\n<li>Da\u011f\u0131t\u0131k sistemlerle entegrasyon.<\/li>\n<li>Tahmine dayal\u0131 kilitleme i\u00e7in makine \u00f6\u011frenimi.<\/li>\n<\/ul>\n<h2>Proxy sunucular\u0131 nas\u0131l kullan\u0131labilir veya Serile\u015ftirilebilirlik ile nas\u0131l ili\u015fkilendirilebilir?<\/h2>\n<p>OneProxy taraf\u0131ndan sa\u011flananlar gibi proxy sunucular\u0131, veritaban\u0131 ba\u011flant\u0131lar\u0131n\u0131 y\u00f6netmek i\u00e7in kullan\u0131labilir. Bu, bir veritaban\u0131na olan ba\u011flant\u0131lar\u0131 ve istekleri y\u00f6neterek, i\u015flemlerin verimli bir \u015fekilde ele al\u0131nmas\u0131n\u0131 sa\u011flayarak ve ek bir g\u00fcvenlik katman\u0131 sa\u011flayarak dolayl\u0131 olarak Serile\u015ftirilebilirlik ile ilgili olabilir.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/dl.acm.org\/doi\/10.1145\/360863.360869\" target=\"_new\" rel=\"noopener nofollow\">Eswaran ve di\u011ferleri taraf\u0131ndan Serile\u015ftirilebilirlik \u00fczerine ACM Makalesi. (1976)<\/a><\/li>\n<li><a href=\"https:\/\/www.amazon.com\/Database-Systems-Complete-Book-2nd\/dp\/0131873253\" target=\"_new\" rel=\"noopener nofollow\">Veritaban\u0131 Sistemleri: Kitab\u0131n Tamam\u0131<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/tr\/\" target=\"_new\" rel=\"noopener\">OneProxy Web Sitesi<\/a> Proxy sunucular\u0131n veritaban\u0131 sistemleriyle ba\u011flant\u0131l\u0131 olarak nas\u0131l kullan\u0131labilece\u011fi hakk\u0131nda bilgi i\u00e7in.<\/li>\n<\/ul>","protected":false},"featured_media":470473,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478937","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Serializability<\/mark>","faq_items":[{"question":"What is Serializability in the context of database systems?","answer":"<p>Serializability is a property of concurrent database transactions that ensures the results of executing concurrent transactions are consistent with some serialized order. It maintains the integrity of the database and is considered the strictest level of isolation in transaction concurrency control.<\/p>"},{"question":"What are the main types of Serializability?","answer":"<p>There are two main types of Serializability: Conflict Serializability, which considers only conflicting operations, and View Serializability, which takes into account both conflicting and non-conflicting operations.<\/p>"},{"question":"How does Serializability work?","answer":"<p>Serializability works by allowing transactions to execute concurrently but constraining them to ensure the final result matches some serial execution. This is often implemented through locking mechanisms, timestamp ordering, or optimistic concurrency control.<\/p>"},{"question":"What are the key features of Serializability?","answer":"<p>The key features of Serializability include Consistency, Isolation, Concurrency, and Recoverability. It ensures that transactions adhere to integrity constraints, protects ongoing transactions from others, allows multiple transactions to be executed simultaneously, and enables recovery from failure without inconsistency.<\/p>"},{"question":"What challenges are associated with Serializability, and how can they be solved?","answer":"<p>Challenges with Serializability include performance overhead and deadlocks. Solutions include Optimistic Concurrency Control to reduce locking overhead and Deadlock Detection and Resolution Algorithms to manage and resolve conflicting transactions.<\/p>"},{"question":"How are proxy servers like OneProxy related to Serializability?","answer":"<p>Proxy servers, like those provided by OneProxy, can manage database connections, indirectly relating to Serializability by handling transactions efficiently and providing an additional layer of security.<\/p>"},{"question":"What are the future perspectives and technologies related to Serializability?","answer":"<p>Future developments related to Serializability may include improved algorithms for concurrency control, integration with distributed systems, and machine learning for predictive locking.<\/p>"},{"question":"How does Serializability compare with other isolation levels?","answer":"<p>Serializability provides a high level of consistency and complexity but offers moderate concurrency. Other isolation levels might have varying degrees of consistency and concurrency, usually with moderate to low complexity.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/478937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/478937\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/470473"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=478937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}