{"id":23937,"date":"2026-09-12T02:03:21","date_gmt":"2026-09-11T23:03:21","guid":{"rendered":"https:\/\/www.cenuta.com\/blog\/?p=23937"},"modified":"2026-09-12T02:03:22","modified_gmt":"2026-09-11T23:03:22","slug":"mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi","status":"publish","type":"post","link":"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/","title":{"rendered":"MySQL vs PostgreSQL: Hangi \u0130li\u015fkisel Veritaban\u0131 Projeniz \u0130\u00e7in Daha Uygun? (2026 Detayl\u0131 Kar\u015f\u0131la\u015ft\u0131rma Rehberi)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6aaa1b8850c8e\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6aaa1b8850c8e\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Giris_Modern_Yazilim_Mimarisinin_Temel_Tasi_Veritabanlari\" title=\"Giri\u015f: Modern Yaz\u0131l\u0131m Mimarisinin Temel Ta\u015f\u0131 (Veritabanlar\u0131)\">Giri\u015f: Modern Yaz\u0131l\u0131m Mimarisinin Temel Ta\u015f\u0131 (Veritabanlar\u0131)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Bolum_1_MySQL_Nedir_Hiz_Sadelik_ve_Webin_Hakimi\" title=\"B\u00f6l\u00fcm 1: MySQL Nedir? (H\u0131z, Sadelik ve Web&#8217;in Hakimi)\">B\u00f6l\u00fcm 1: MySQL Nedir? (H\u0131z, Sadelik ve Web&#8217;in Hakimi)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Bolum_2_PostgreSQL_Nedir_Nesne-Iliskisel_Mimari_ve_Standartlarin_Kalesi\" title=\"B\u00f6l\u00fcm 2: PostgreSQL Nedir? (Nesne-\u0130li\u015fkisel Mimari ve Standartlar\u0131n Kalesi)\">B\u00f6l\u00fcm 2: PostgreSQL Nedir? (Nesne-\u0130li\u015fkisel Mimari ve Standartlar\u0131n Kalesi)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Bolum_3_Performans_ve_Eszamanlilik_Concurrency_Savaslari\" title=\"B\u00f6l\u00fcm 3: Performans ve E\u015fzamanl\u0131l\u0131k (Concurrency) Sava\u015flar\u0131\">B\u00f6l\u00fcm 3: Performans ve E\u015fzamanl\u0131l\u0131k (Concurrency) Sava\u015flar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Bolum_4_Veri_Tipleri_JSON_ve_NoSQL_Esnekligi\" title=\"B\u00f6l\u00fcm 4: Veri Tipleri, JSON ve NoSQL Esnekli\u011fi\">B\u00f6l\u00fcm 4: Veri Tipleri, JSON ve NoSQL Esnekli\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Bolum_5_Genisletilebilirlik_ve_Cografi_Veriler_PostGIS\" title=\"B\u00f6l\u00fcm 5: Geni\u015fletilebilirlik ve Co\u011frafi Veriler (PostGIS)\">B\u00f6l\u00fcm 5: Geni\u015fletilebilirlik ve Co\u011frafi Veriler (PostGIS)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Bolum_6_Hangi_Veritabanini_Secmelisiniz_Karar_Agaci\" title=\"B\u00f6l\u00fcm 6: Hangi Veritaban\u0131n\u0131 Se\u00e7melisiniz? (Karar A\u011fac\u0131)\">B\u00f6l\u00fcm 6: Hangi Veritaban\u0131n\u0131 Se\u00e7melisiniz? (Karar A\u011fac\u0131)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/#Sonuc_Gelecege_Yatirim_Yapmak\" title=\"Sonu\u00e7: Gelece\u011fe Yat\u0131r\u0131m Yapmak\">Sonu\u00e7: Gelece\u011fe Yat\u0131r\u0131m Yapmak<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Giris_Modern_Yazilim_Mimarisinin_Temel_Tasi_Veritabanlari\"><\/span>Giri\u015f: Modern Yaz\u0131l\u0131m Mimarisinin Temel Ta\u015f\u0131 (Veritabanlar\u0131)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>2026 y\u0131l\u0131n\u0131n veriye dayal\u0131 (data-driven) dijital ekosisteminde, bir web uygulamas\u0131n\u0131n veya mobil projenin ba\u015far\u0131s\u0131 sadece aray\u00fcz\u00fcn\u00fcn ne kadar \u015f\u0131k oldu\u011fuyla de\u011fil; arka planda akan devasa veriyi ne kadar h\u0131zl\u0131, g\u00fcvenli ve tutarl\u0131 bir \u015fekilde i\u015fleyebildi\u011fiyle \u00f6l\u00e7\u00fclmektedir. Yaz\u0131l\u0131m d\u00fcnyas\u0131nda, yap\u0131land\u0131r\u0131lm\u0131\u015f verileri tablolar halinde tutan \u0130li\u015fkisel Veritaban\u0131 Y\u00f6netim Sistemleri (RDBMS) on y\u0131llard\u0131r end\u00fcstrinin belkemi\u011fidir. Bu pazar\u0131n zirvesinde ise y\u0131llard\u0131r s\u00fcregelen amans\u0131z bir rekabetin iki b\u00fcy\u00fck akt\u00f6r\u00fc yer al\u0131r: <strong>MySQL<\/strong> ve <strong>PostgreSQL<\/strong>.<\/p>\n\n\n\n<p>D\u0131\u015far\u0131dan bak\u0131ld\u0131\u011f\u0131nda her ikisi de a\u00e7\u0131k kaynakl\u0131 (Open-Source), her ikisi de SQL (Yap\u0131land\u0131r\u0131lm\u0131\u015f Sorgu Dili) kullanan ve her ikisi de devasa kurumsal firmalar taraf\u0131ndan tercih edilen sistemler gibi g\u00f6r\u00fcnebilir. Ancak kaputun alt\u0131na indi\u011finizde; bu iki veritaban\u0131 motorunun veriyi i\u015fleme felsefeleri, mimari tasar\u0131mlar\u0131, hata t\u00f6leranslar\u0131 ve geni\u015fletilebilirlik \u00f6zellikleri birbirinden tamamen farkl\u0131d\u0131r.<\/p>\n\n\n\n<p>Yanl\u0131\u015f veritaban\u0131 se\u00e7imi, projeniz \u00f6l\u00e7eklenmeye ba\u015flad\u0131\u011f\u0131nda (\u00f6rne\u011fin g\u00fcnl\u00fck 1 milyon sorguya ula\u015ft\u0131\u011f\u0131nda) devasa performans darbo\u011fazlar\u0131na veya ac\u0131 verici g\u00f6\u00e7 (Migration) s\u00fcre\u00e7lerine neden olabilir. Bu derinlemesine teknik rehberde; MySQL&#8217;in h\u0131z odakl\u0131 pragmatik yap\u0131s\u0131n\u0131, PostgreSQL&#8217;in kat\u0131 standartlara ba\u011fl\u0131 akademik g\u00fcc\u00fcn\u00fc, her iki sistemin 2026 y\u0131l\u0131ndaki modern yeteneklerini (JSONB, MVCC, PostGIS) ve kendi projenizin ihtiya\u00e7lar\u0131na g\u00f6re hangisini se\u00e7meniz gerekti\u011fini t\u00fcm mimari detaylar\u0131yla inceliyoruz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_1_MySQL_Nedir_Hiz_Sadelik_ve_Webin_Hakimi\"><\/span>B\u00f6l\u00fcm 1: MySQL Nedir? (H\u0131z, Sadelik ve Web&#8217;in Hakimi)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0130lk kez 1995 y\u0131l\u0131nda \u0130sve\u00e7li bir \u015firket olan MySQL AB taraf\u0131ndan piyasaya s\u00fcr\u00fclen (ve \u015fu an Oracle b\u00fcnyesinde bulunan) MySQL, internetin b\u00fcy\u00fcme \u00e7a\u011f\u0131nda (Web 2.0) en \u00e7ok tercih edilen veritaban\u0131 olmu\u015ftur. \u00dcnl\u00fc &#8220;LAMP&#8221; (Linux, Apache, MySQL, PHP) y\u0131\u011f\u0131n\u0131n\u0131n ayr\u0131lmaz bir par\u00e7as\u0131 olarak, WordPress, Joomla, Drupal gibi d\u00fcnyan\u0131n en b\u00fcy\u00fck i\u00e7erik y\u00f6netim sistemlerinin varsay\u0131lan veritaban\u0131 motorudur.<\/p>\n\n\n\n<p>MySQL&#8217;in temel felsefesi <strong>&#8220;H\u0131z, g\u00fcvenilirlik ve kullan\u0131m kolayl\u0131\u011f\u0131&#8221;<\/strong> \u00fczerine kuruludur. Kat\u0131 SQL standartlar\u0131na harfi harfine uymak yerine, web uygulamalar\u0131n\u0131n ihtiya\u00e7 duydu\u011fu pratik \u00e7\u00f6z\u00fcmleri ve okuma (Read) h\u0131z\u0131n\u0131 maksimize etmeyi hedefler.<\/p>\n\n\n\n<p>K\u0131demli arka u\u00e7 (Backend) geli\u015ftiricisi <strong>Tun\u00e7<\/strong>, her g\u00fcn milyonlarca ki\u015finin ziyaret etti\u011fi y\u00fcksek trafikli bir e-ticaret sitesinin \u00fcr\u00fcn katalo\u011funu tasarlamaktad\u0131r. Bu katalogda, veritaban\u0131na yeni bir \u00fcr\u00fcn eklenmesinden ziyade, mevcut \u00fcr\u00fcnlerin saniyede binlerce kez &#8220;okunmas\u0131&#8221; ve ziyaret\u00e7iye g\u00f6sterilmesi gerekmektedir. Tun\u00e7, projesinde <strong>MySQL<\/strong>&#8216;i tercih eder. \u00c7\u00fcnk\u00fc MySQL&#8217;in InnoDB depolama motoru, \u00e7ok say\u0131da basit &#8220;SELECT&#8221; (okuma) sorgusunu inan\u0131lmaz bir h\u0131zla i\u015flemek \u00fczere optimize edilmi\u015ftir. Tun\u00e7&#8217;un projesinde karma\u015f\u0131k veri analizleri yoktur; sadece \u00fcr\u00fcn ad\u0131, fiyat\u0131 ve stok bilgisinin m\u00fc\u015fteriye milisaniyeler i\u00e7inde sunulmas\u0131 gerekir ve MySQL bu i\u015fi piyasadaki hemen her ara\u00e7tan daha h\u0131zl\u0131 yapar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_2_PostgreSQL_Nedir_Nesne-Iliskisel_Mimari_ve_Standartlarin_Kalesi\"><\/span>B\u00f6l\u00fcm 2: PostgreSQL Nedir? (Nesne-\u0130li\u015fkisel Mimari ve Standartlar\u0131n Kalesi)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>1980&#8217;lerde Kaliforniya \u00dcniversitesi (Berkeley) b\u00fcnyesinde POSTGRES projesi olarak do\u011fan PostgreSQL (veya k\u0131saca Postgres), kendini &#8220;D\u00fcnyan\u0131n en geli\u015fmi\u015f a\u00e7\u0131k kaynakl\u0131 ili\u015fkisel veritaban\u0131&#8221; olarak tan\u0131mlar. Sadece ili\u015fkisel (Relational) de\u011fil, ayn\u0131 zamanda Nesne-\u0130li\u015fkisel (ORDBMS &#8211; Object-Relational Database Management System) bir mimariye sahiptir.<\/p>\n\n\n\n<p>PostgreSQL&#8217;in temel felsefesi &#8220;Veri b\u00fct\u00fcnl\u00fc\u011f\u00fc, kat\u0131 SQL standartlar\u0131na uyum, geni\u015fletilebilirlik ve karma\u015f\u0131k operasyonlar&#8221;d\u0131r. Hata yapman\u0131za asla izin vermez. E\u011fer bir s\u00fctuna tam say\u0131 (Integer) tan\u0131mlad\u0131ysan\u0131z ve oraya metin (String) girmeye \u00e7al\u0131\u015f\u0131rsan\u0131z, Postgres i\u015flemi an\u0131nda iptal eder. (Ge\u00e7mi\u015fte MySQL bu t\u00fcr durumlarda veriyi k\u0131rparak veya de\u011fi\u015ftirerek kaydetmeye \u00e7al\u0131\u015f\u0131yordu, her ne kadar g\u00fcn\u00fcm\u00fczde kat\u0131 modlar gelse de Postgres&#8217;in DNA&#8217;s\u0131 bu konuda \u00e7ok daha tavizsizdir).<\/p>\n\n\n\n<p>Veri mimar\u0131 <strong>Se\u00e7il<\/strong>, uluslararas\u0131 bir finansal teknoloji (FinTech) giri\u015fimi i\u00e7in devasa bir para transferi altyap\u0131s\u0131 kurmaktad\u0131r. Se\u00e7il&#8217;in sisteminde h\u0131zdan \u00e7ok daha \u00f6nemli bir \u015fey vard\u0131r: <strong>Tutarl\u0131l\u0131k ve Hata Toleranss\u0131zl\u0131\u011f\u0131<\/strong>. Se\u00e7il, saniyeler i\u00e7inde binlerce para transferinin ger\u00e7ekle\u015fti\u011fi, ondan fazla tablonun birbirine ba\u011fland\u0131\u011f\u0131 (Complex Joins) ve i\u015flemlerin yar\u0131da kesilmesi durumunda paran\u0131n asla kaybolmamas\u0131 gereken (ACID uyumlulu\u011fu) bu proje i\u00e7in teredd\u00fcts\u00fcz <strong>PostgreSQL<\/strong>&#8216;i se\u00e7er. Postgres&#8217;in g\u00fc\u00e7l\u00fc yap\u0131s\u0131, finansal algoritmalar\u0131 veritaban\u0131 seviyesinde kusursuz bir \u015fekilde i\u015fler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_3_Performans_ve_Eszamanlilik_Concurrency_Savaslari\"><\/span>B\u00f6l\u00fcm 3: Performans ve E\u015fzamanl\u0131l\u0131k (Concurrency) Sava\u015flar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Bir web sitesinin trafi\u011fi aniden f\u0131rlad\u0131\u011f\u0131nda, veritaban\u0131 ayn\u0131 saniye i\u00e7inde hem yeni veriler yazmaya hem de eskilerini okumaya \u00e7al\u0131\u015f\u0131r. Bu duruma E\u015fzamanl\u0131l\u0131k (Concurrency) denir ve iki veritaban\u0131 bu sorunu farkl\u0131 \u00e7\u00f6zer.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MySQL ve Kilit (Lock) Mekanizmalar\u0131:<\/strong> MySQL, \u00f6zellikle yo\u011fun &#8220;Yazma&#8221; (Write) i\u015flemlerinde bazen performans darbo\u011faz\u0131 ya\u015fayabilir. Ancak salt okuma (Read-only) i\u015flemlerinde, basitli\u011fi sayesinde ola\u011fan\u00fcst\u00fc bir performans g\u00f6sterir.<\/li>\n\n\n\n<li><strong>PostgreSQL ve MVCC (\u00c7oklu S\u00fcr\u00fcm E\u015fzamanl\u0131l\u0131k Kontrol\u00fc):<\/strong> Postgres, E\u015fzamanl\u0131l\u0131k konusunda bir m\u00fchendislik harikas\u0131d\u0131r. <strong>MVCC (Multi-Version Concurrency Control)<\/strong> ad\u0131 verilen bir teknoloji kullan\u0131r. Bir kullan\u0131c\u0131 veritaban\u0131na yeni bir kay\u0131t yazarken, tabloyu kilitlemez. Okuma i\u015flemi yapan di\u011fer kullan\u0131c\u0131lar, verinin o anki eski s\u00fcr\u00fcm\u00fcn\u00fc kesintisiz okumaya devam eder. Yazma i\u015flemi bitti\u011finde veri \u015feffaf bir \u015fekilde g\u00fcncellenir. &#8220;Okuyanlar yazanlar\u0131, yazanlar da okuyanlar\u0131 engellemez&#8221; prensibi sayesinde Postgres, \u00e7ok yo\u011fun veri giri\u015f\/\u00e7\u0131k\u0131\u015f\u0131 (I\/O) olan karma\u015f\u0131k sistemlerde performans\u0131n\u0131 asla d\u00fc\u015f\u00fcrmez.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_4_Veri_Tipleri_JSON_ve_NoSQL_Esnekligi\"><\/span>B\u00f6l\u00fcm 4: Veri Tipleri, JSON ve NoSQL Esnekli\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Modern web uygulamalar\u0131 art\u0131k sadece isim, soyisim veya tarih gibi yap\u0131land\u0131r\u0131lm\u0131\u015f veriler kullanm\u0131yor. B\u00fcy\u00fck veri (Big Data) \u00e7a\u011f\u0131nda, yap\u0131land\u0131r\u0131lmam\u0131\u015f esnek verileri de saklamak hayati \u00f6nem ta\u015f\u0131yor.<\/p>\n\n\n\n<p>Yaz\u0131l\u0131m m\u00fchendisi <strong>Funda<\/strong>, uygulamas\u0131nda kullan\u0131c\u0131lar\u0131n profil ayarlar\u0131n\u0131 ve form verilerini dinamik olarak saklamak istemektedir. Eskiden olsa bu esneklik i\u00e7in MongoDB gibi bir NoSQL veritaban\u0131 kullanmas\u0131 gerekirdi. Ancak PostgreSQL&#8217;in efsanevi <strong>JSONB<\/strong> (Binary JSON) veri tipi sayesinde Funda, NoSQL esnekli\u011fini do\u011frudan ili\u015fkisel veritaban\u0131n\u0131n i\u00e7ine entegre eder. Postgres, JSON verilerinin i\u00e7indeki spesifik alanlar\u0131 bile endeksleyebilir (Index) ve \u0131\u015f\u0131k h\u0131z\u0131nda sorgulayabilir. MySQL de son y\u0131llarda (\u00d6zellikle 5.7 ve 8.0 s\u00fcr\u00fcmleriyle) JSON deste\u011fini sisteme eklemi\u015f ve olduk\u00e7a geli\u015ftirmi\u015ftir; ancak karma\u015f\u0131k JSON sorgulamalar\u0131, JSON fonksiyonlar\u0131n\u0131n zenginli\u011fi ve manip\u00fclasyonu konusunda PostgreSQL hala sekt\u00f6r\u00fcn alt\u0131n standard\u0131 kabul edilmektedir.<\/p>\n\n\n\n<p>Bunun yan\u0131 s\u0131ra PostgreSQL; \u00c7ok boyutlu diziler (Arrays), XML, UUID, A\u011f adresleri (MAC, IPv4) gibi MySQL&#8217;de varsay\u0131lan olarak bulunmayan (veya sadece metin olarak tutulan) onlarca geli\u015fmi\u015f veri tipini yerel (Native) olarak destekler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_5_Genisletilebilirlik_ve_Cografi_Veriler_PostGIS\"><\/span>B\u00f6l\u00fcm 5: Geni\u015fletilebilirlik ve Co\u011frafi Veriler (PostGIS)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>PostgreSQL&#8217;i &#8220;D\u00fcnyan\u0131n en geli\u015fmi\u015f&#8221; veritaban\u0131 yapan as\u0131l \u00f6zellik, onun bir &#8220;Eklenti&#8221; (Extension) ekosistemine sahip olmas\u0131d\u0131r. Veritaban\u0131n\u0131n \u00e7ekirdek kodunu de\u011fi\u015ftirmeden, ona yepyeni yetenekler kazand\u0131rabilirsiniz.<\/p>\n\n\n\n<p>Harita m\u00fchendisi ve yaz\u0131l\u0131mc\u0131 <strong>Engin<\/strong>, kullan\u0131c\u0131lar\u0131n bulundu\u011fu konuma en yak\u0131n ma\u011fazalar\u0131 ger\u00e7ek zamanl\u0131 g\u00f6steren ve rota \u00e7izen bir mobil uygulama geli\u015ftirmektedir. Engin&#8217;in veritaban\u0131nda enlem, boylam ve \u00e7okgen (Polygon) gibi co\u011frafi hesaplamalar yapmas\u0131 gerekir. MySQL&#8217;in co\u011frafi veri deste\u011fi olduk\u00e7a k\u0131s\u0131tl\u0131yken, Engin <strong>PostgreSQL&#8217;in &#8220;PostGIS&#8221; eklentisini<\/strong> kurar. PostGIS, standart bir veritaban\u0131n\u0131 d\u00fcnyan\u0131n en g\u00fc\u00e7l\u00fc Co\u011frafi Bilgi Sistemine (GIS) d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. \u0130ki nokta aras\u0131ndaki mesafeyi, bir alan\u0131n i\u00e7ine d\u00fc\u015fen koordinatlar\u0131 ve karma\u015f\u0131k harita hesaplamalar\u0131n\u0131 do\u011frudan veritaban\u0131 seviyesinde, saniyeler i\u00e7inde \u00e7\u00f6zer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_6_Hangi_Veritabanini_Secmelisiniz_Karar_Agaci\"><\/span>B\u00f6l\u00fcm 6: Hangi Veritaban\u0131n\u0131 Se\u00e7melisiniz? (Karar A\u011fac\u0131)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Bu iki devasa sistem aras\u0131nda mutlak bir &#8220;Bu daha iyidir&#8221; demek, teknoloji d\u00fcnyas\u0131n\u0131n ger\u00e7eklerine ayk\u0131r\u0131d\u0131r. Do\u011fru se\u00e7im, tamamen projenizin i\u015f kurallar\u0131na (Business Logic) ve \u00f6l\u00e7e\u011fine ba\u011fl\u0131d\u0131r.<\/p>\n\n\n\n<p><strong>A\u015fa\u011f\u0131daki Durumlarda MySQL Se\u00e7melisiniz:<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Standart Web Projeleri:<\/strong> Basit bir blog, forum, kurumsal web sitesi veya standart bir e-ticaret platformu kuruyorsan\u0131z.<\/li>\n\n\n\n<li><strong>Okuma Odakl\u0131 Sistemler (Read-Heavy):<\/strong> Veritaban\u0131na nadiren veri giriliyor, ancak binlerce ki\u015fi taraf\u0131ndan s\u00fcrekli okunuyorsa.<\/li>\n\n\n\n<li><strong>H\u0131zl\u0131 Ba\u015flang\u0131\u00e7 ve Geni\u015f Topluluk:<\/strong> Bir sorunla kar\u015f\u0131la\u015ft\u0131\u011f\u0131n\u0131zda internette en h\u0131zl\u0131 \u00e7\u00f6z\u00fcm\u00fc bulmak, veya veritaban\u0131 y\u00f6neticisi (DBA) bulmak konusunda zorluk \u00e7ekmek istemiyorsan\u0131z. MySQL&#8217;in ekosistemi ve haz\u0131r kaynaklar\u0131 devasad\u0131r.<\/li>\n\n\n\n<li><strong>D\u00fc\u015f\u00fck Donan\u0131m Kaynaklar\u0131:<\/strong> MySQL, varsay\u0131lan ayarlar\u0131nda belle\u011fi ve i\u015flemciyi \u00e7ok daha m\u00fctevaz\u0131 t\u00fcketir.<\/li>\n<\/ol>\n\n\n\n<p><strong>A\u015fa\u011f\u0131daki Durumlarda PostgreSQL Se\u00e7melisiniz:<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Finansal ve Enterprise (Kurumsal) Sistemler:<\/strong> Veri kayb\u0131n\u0131n kesinlikle kabul edilemedi\u011fi, kat\u0131 veri b\u00fct\u00fcnl\u00fc\u011f\u00fc ve ACID kurallar\u0131n\u0131n zorunlu oldu\u011fu ERP (Kurumsal Kaynak Planlamas\u0131) veya bankac\u0131l\u0131k sistemleri yaz\u0131yorsan\u0131z.<\/li>\n\n\n\n<li><strong>Karma\u015f\u0131k Sorgular ve Raporlama:<\/strong> Onlarca tablonun i\u00e7 i\u00e7e ge\u00e7ti\u011fi (Subqueries), karma\u015f\u0131k matematiksel analizlerin ve devasa veri ambar\u0131 (Data Warehouse) raporlamalar\u0131n\u0131n yap\u0131ld\u0131\u011f\u0131 bir sistem kuruyorsan\u0131z.<\/li>\n\n\n\n<li><strong>E\u015fzamanl\u0131 Yazma (Write-Heavy) \u0130\u015flemleri:<\/strong> Sisteme ayn\u0131 saniye i\u00e7inde binlerce ki\u015finin hem veri yaz\u0131p hem de veri okudu\u011fu y\u00fcksek trafikli otomasyonlar yap\u0131yorsan\u0131z (MVCC sayesinde).<\/li>\n\n\n\n<li><strong>NoSQL Hibrit \u0130htiya\u00e7lar\u0131:<\/strong> Hem kat\u0131 tablolar\u0131 hem de esnek JSON d\u00f6k\u00fcmanlar\u0131n\u0131 ayn\u0131 yap\u0131da y\u00fcksek performansla sorgulamak istiyorsan\u0131z.<\/li>\n\n\n\n<li><strong>Co\u011frafi Veriler (GIS):<\/strong> Harita, konum ve lokasyon bazl\u0131 karma\u015f\u0131k hesaplamalara ihtiyac\u0131n\u0131z varsa (PostGIS i\u00e7in).<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sonuc_Gelecege_Yatirim_Yapmak\"><\/span>Sonu\u00e7: Gelece\u011fe Yat\u0131r\u0131m Yapmak<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>2026 y\u0131l\u0131n\u0131n ileri teknoloji standartlar\u0131nda, hem MySQL hem de PostgreSQL modern webin t\u00fcm ihtiya\u00e7lar\u0131n\u0131 fazlas\u0131yla kar\u015f\u0131layabilecek kadar olgun, g\u00fcvenli ve r\u00fc\u015ft\u00fcn\u00fc ispatlam\u0131\u015f mimarilerdir. MySQL, sadeli\u011fi, saf okuma h\u0131z\u0131 ve devasa pop\u00fclaritesi ile &#8220;Pragmatik&#8221; geli\u015ftiricilerin ve standart web uygulamalar\u0131n\u0131n kalbinde yer almaya devam etmektedir.<\/p>\n\n\n\n<p>PostgreSQL ise, akademik k\u00f6klerinden gelen sars\u0131lmaz disiplini, veriyi koruma konusundaki tak\u0131nt\u0131s\u0131 ve geni\u015fletilebilir m\u00fchendislik harikas\u0131 yap\u0131s\u0131yla, karma\u015f\u0131k i\u015f kurallar\u0131 ve a\u011f\u0131r veri analiti\u011fi gerektiren &#8220;Kurumsal&#8221; projelerin mutlak favorisidir.<\/p>\n\n\n\n<p>Karar verirken projenizin sadece bug\u00fcnk\u00fc durumunu de\u011fil, 3 y\u0131l sonraki veri y\u00fck\u00fcn\u00fc, tak\u0131m\u0131n\u0131z\u0131n SQL tecr\u00fcbesini ve uygulaman\u0131z\u0131n bar\u0131nd\u0131raca\u011f\u0131 veri t\u00fcrlerini analiz etmeniz gerekir. Se\u00e7iminiz ne olursa olsun, do\u011fru endekslenmi\u015f (Indexed) ve optimize edilmi\u015f her iki veritaban\u0131 motoru da, vizyonunuzu ta\u015f\u0131yacak en sa\u011flam dijital temeli size sunacakt\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Giri\u015f: Modern Yaz\u0131l\u0131m Mimarisinin Temel Ta\u015f\u0131 (Veritabanlar\u0131) 2026 y\u0131l\u0131n\u0131n veriye<a href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/\">&#8230;<\/a><\/p>\n","protected":false},"author":6,"featured_media":23938,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-23937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-vs-postgresql-hangi-iliskisel-veritabani-projeniz-icin-daha-uygun-2026-detayli-karsilastirma-rehberi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MySQL vs PostgreSQL: Hangi \u0130li\u015fkisel Veritaban\u0131 Projeniz \u0130\u00e7in Daha Uygun? 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