{"id":14242,"date":"2022-07-06T15:59:46","date_gmt":"2022-07-06T13:59:46","guid":{"rendered":"https:\/\/www.ihs.com.tr\/blog\/?p=14242"},"modified":"2022-07-06T16:00:54","modified_gmt":"2022-07-06T14:00:54","slug":"postgresql-nedir","status":"publish","type":"post","link":"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/","title":{"rendered":"PostgreSQL Nedir? Neden Kullanmal\u0131s\u0131n\u0131z?"},"content":{"rendered":"<p>G\u00fcn\u00fcm\u00fczde hemen hemen her yaz\u0131l\u0131m veya web uygulamas\u0131, back-end\u00a0 taraf\u0131nda bir\u00a0<a href=\"https:\/\/kinsta.com\/knowledgebase\/wordpress-database\/\" target=\"_blank\" rel=\"nofollow\">veritaban\u0131<\/a>\u00a0gerektirir .\u00a0Saniyede ger\u00e7ekle\u015fen i\u015flemlerin artmas\u0131 ve depolanan terabaytlarca veri, bu verileri bar\u0131nd\u0131rmak ve sunmak i\u00e7in istikrarl\u0131 ve esnek bir framework gerektirmektedir.<\/p>\n<p>Do\u011fal olarak, yeni ba\u015flayanlar i\u00e7in maliyet konusu da i\u015fin i\u00e7ine giriyor.\u00a0Peki ya bu veritaban\u0131na \u00fccretsiz olarak eri\u015febilece\u011finizi s\u00f6ylesek?<\/p>\n<p>Evet, do\u011fru duydunuz &#8211; PostgreSQL veritaban\u0131, birka\u00e7 ekstra avantaj da dahil olmak \u00fczere yukar\u0131da bahsetti\u011fimiz her \u015feyi garanti eder!\u00a0Bu makalede, h\u0131zla geli\u015fen bir segmentte ayakta kalmas\u0131n\u0131 sa\u011flayan PostgreSQL&#8217;in \u00e7e\u015fitli y\u00f6nlerini inceleyece\u011fiz.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Tablosu<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a0e9eb76a261\" 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-6a0e9eb76a261\" aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#PostgreSQL-Nedir\" >PostgreSQL Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#PostgreSQLin-Temel-Ozellikleri\" >PostgreSQL&#8217;in Temel \u00d6zellikleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Guvenilirlik-ve-Standartlara-Uygunluk\" >G\u00fcvenilirlik ve Standartlara Uygunluk<\/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.ihs.com.tr\/blog\/postgresql-nedir\/#Uzantilar\" >Uzant\u0131lar<\/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.ihs.com.tr\/blog\/postgresql-nedir\/#Olceklenebilirlik\" >\u00d6l\u00e7eklenebilirlik<\/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.ihs.com.tr\/blog\/postgresql-nedir\/#Dinamik-Yukleme\" >Dinamik Y\u00fckleme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#PostgreSQL-Mimarisi\" >PostgreSQL Mimarisi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#PostgreSQLi-Neden-Kullanmalisiniz\" >PostgreSQL&#8217;i Neden Kullanmal\u0131s\u0131n\u0131z?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Dil-destegi\" >Dil deste\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Acik-kaynak\" >A\u00e7\u0131k kaynak<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Nesne-Iliskisel-Veritabani\" >Nesne-\u0130li\u015fkisel Veritaban\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Verim\" >Verim<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Genisletilebilirlik\" >Geni\u015fletilebilirlik<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Yuk-Dengeleme-Yetenekleri\" >Y\u00fck Dengeleme Yetenekleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Guvenilirlik\" >G\u00fcvenilirlik<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Uluslararasilasma\" >Uluslararas\u0131la\u015fma<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#PostgreSQL-Ne-Zaman-Kullanilir\" >PostgreSQL Ne Zaman Kullan\u0131l\u0131r?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Devlet-Cografi-Verileri\" >Devlet Co\u011frafi Verileri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Finansal-endustri\" >Finansal end\u00fcstri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Bilimsel-Veriler\" >Bilimsel Veriler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Web-Teknolojisi\" >Web Teknolojisi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#Uretme\" >\u00dcretme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ihs.com.tr\/blog\/postgresql-nedir\/#PostgreSQLin-Operasyonel-Zorluklari\" >PostgreSQL&#8217;in Operasyonel Zorluklar\u0131<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"PostgreSQL-Nedir\"><\/span><strong>PostgreSQL Nedir?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.postgresql.org\/\" target=\"_blank\" rel=\"nofollow\">PostgreSQL<\/a>, foreign key, alt sorgular, trigger ve farkl\u0131 kullan\u0131c\u0131 tan\u0131ml\u0131 t\u00fcrler ve i\u015flevler gibi SQL&#8217;in farkl\u0131 i\u015flevlerine destek sa\u011flayan a\u00e7\u0131k kaynakl\u0131, olduk\u00e7a kararl\u0131 bir veritaban\u0131 sistemidir.\u00a0Veri i\u015f y\u00fcklerini titizlikle \u00f6l\u00e7ekleyen ve rezerve eden \u00e7e\u015fitli \u00f6zellikler sunan SQL dilini daha da g\u00fc\u00e7lendirir. \u00d6ncelikle bir\u00e7ok mobil, web l ve analitik uygulamalar da veri depolamak i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PostgreSQLin-Temel-Ozellikleri\"><\/span><strong>PostgreSQL&#8217;in Temel \u00d6zellikleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PostgreSQL veritaban\u0131n\u0131, di\u011fer veritabanlar\u0131na k\u0131yasla benzersiz ve yayg\u0131n olarak tercih edilen k\u0131lan birka\u00e7 temel \u00f6zelli\u011fi vard\u0131r.\u00a0<a href=\"https:\/\/www.ihs.com.tr\/blog\/mysql-nedir-neden-tercih-etmelisiniz\/\">\u015eu anda, en \u00e7ok kullan\u0131lan ikinci veritaban\u0131d\u0131r ve yaln\u0131zca MySQL&#8217;in<\/a>\u00a0gerisindedir\u00a0.<\/p>\n<p>Bu \u00f6zelliklere daha detayl\u0131 bir \u015fekilde g\u00f6z atal\u0131m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Guvenilirlik-ve-Standartlara-Uygunluk\"><\/span><strong>G\u00fcvenilirlik ve Standartlara Uygunluk<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL, i\u015flemler i\u00e7in ger\u00e7ek ACID semanti\u011fi sunar ve bir\u00e7ok farkl\u0131 dilde yabanc\u0131 anahtarlar, birle\u015fimler, g\u00f6r\u00fcn\u00fcmler, tetikleyiciler ve sakl\u0131 prosed\u00fcrler i\u00e7in tam deste\u011fe sahiptir.\u00a0INTEGER, VARCHAR, TIMESTAMP ve BOOLEAN gibi \u00e7o\u011fu SQL veri t\u00fcr\u00fcn\u00fc i\u00e7erir.\u00a0Ayr\u0131ca resimler, videolar veya sesler dahil olmak \u00fczere b\u00fcy\u00fck nesnelerin depolanmas\u0131n\u0131 da destekler.\u00a0Geni\u015f bir yerle\u015fik topluluk destek a\u011f\u0131na sahip oldu\u011fu i\u00e7in g\u00fcvenilirdir.\u00a0PostgreSQL, ileriye d\u00f6n\u00fck g\u00fcnl\u00fck kayd\u0131 sayesinde hataya dayan\u0131kl\u0131 bir veritaban\u0131d\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uzantilar\"><\/span><strong>Uzant\u0131lar<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL, belirli bir noktadan sonra kurtarma, \u00c7ok S\u00fcr\u00fcml\u00fc E\u015fzamanl\u0131l\u0131k Kontrol\u00fc (MVCC), tablo alanlar\u0131, ayr\u0131nt\u0131l\u0131 eri\u015fim kontrolleri, e\u015fzamans\u0131z \u00e7o\u011faltma, iyile\u015ftirilmi\u015f bir sorgu planlay\u0131c\u0131\/optimize edici ve ileriye d\u00f6n\u00fck g\u00fcnl\u00fck kayd\u0131 dahil olmak \u00fczere bir\u00e7ok g\u00fc\u00e7l\u00fc \u00f6zellik setine sahiptir.\u00a0\u00c7ok S\u00fcr\u00fcml\u00fc E\u015fzamanl\u0131l\u0131k Kontrol\u00fc, tablolar\u0131n e\u015fzamanl\u0131 olarak okunmas\u0131na ve yaz\u0131lmas\u0131na izin vererek yaln\u0131zca ayn\u0131 sat\u0131r\u0131n e\u015fzamanl\u0131 g\u00fcncellemelerini engeller.\u00a0Bu sayede \u00e7at\u0131\u015fmalar \u00f6nlenmi\u015f olur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Olceklenebilirlik\"><\/span><strong>\u00d6l\u00e7eklenebilirlik<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL, Unicode&#8217;u, uluslararas\u0131 karakter k\u00fcmelerini, \u00e7ok baytl\u0131 karakter kodlamalar\u0131n\u0131 destekler ve s\u0131ralama, b\u00fcy\u00fck\/k\u00fc\u00e7\u00fck harf duyarl\u0131l\u0131\u011f\u0131 ve bi\u00e7imlendirme i\u00e7in yerel ayara duyarl\u0131d\u0131r.\u00a0PostgreSQL y\u00fcksek d\u00fczeyde \u00f6l\u00e7eklenebilirdir &#8211; e\u015fzamanl\u0131 kullan\u0131c\u0131 say\u0131s\u0131 a\u00e7\u0131s\u0131ndan y\u00f6netebilece\u011fi veri miktar\u0131 kadar bar\u0131nd\u0131rabilir.\u00a0Ayr\u0131ca PostgreSQL \u00e7apraz platformdur ve Linux, Microsoft Windows, OS X, FreeBSD ve Solaris dahil olmak \u00fczere bir\u00e7ok i\u015fletim sisteminde \u00e7al\u0131\u015fabilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dinamik-Yukleme\"><\/span><strong>Dinamik Y\u00fckleme<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL sunucusu, dinamik y\u00fckleme yoluyla kullan\u0131c\u0131 taraf\u0131ndan yaz\u0131lan kodu da kendi i\u00e7ine dahil edebilir.\u00a0Kullan\u0131c\u0131 bir nesne kodu dosyas\u0131 belirleyebilir;\u00a0\u00f6rne\u011fin, yeni bir i\u015flev veya t\u00fcr uygulayan payla\u015f\u0131lan bir kitapl\u0131k olu\u015fturabilir ve PostgreSQL bunu gerekti\u011fi gibi y\u00fckleyecektir.\u00a0\u00c7al\u0131\u015fmas\u0131n\u0131 an\u0131nda de\u011fi\u015ftirebilme \u00f6zelli\u011fi, onu yeni depolama yap\u0131lar\u0131n\u0131n ve uygulamalar\u0131n\u0131n h\u0131zl\u0131 bir \u015fekilde uygulanmas\u0131 i\u00e7in benzersiz bir \u015fekilde uygun hale getirir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PostgreSQL-Mimarisi\"><\/span><strong>PostgreSQL Mimarisi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PostgreSQL sunucusu, Payla\u015f\u0131lan Bellek, Arka Plan \u0130\u015flemleri ve Veri Dizini yap\u0131s\u0131ndan olu\u015fan basit bir yap\u0131ya sahiptir. A\u015fa\u011f\u0131da verilen PostgreSQL mimarisinin bir \u00f6rne\u011fidir.\u00a0Ba\u015flang\u0131\u00e7ta, istemci taraf\u0131ndan sunucuya bir istek g\u00f6nderilir.\u00a0Ard\u0131ndan PostgreSQL sunucusu, payla\u015f\u0131lan arabellekleri ve arka plan i\u015flemlerini kullanarak verileri i\u015fler.\u00a0PostgreSQL veritaban\u0131 sunucusunun fiziksel dosyas\u0131 veri dizininde saklan\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PostgreSQLi-Neden-Kullanmalisiniz\"><\/span><strong>PostgreSQL&#8217;i Neden Kullanmal\u0131s\u0131n\u0131z?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0130ndeksler, g\u00f6r\u00fcn\u00fcmler ve sakl\u0131 yordamlar gibi bir dizi \u00f6zellik sa\u011flaman\u0131n yan\u0131 s\u0131ra PostgreSQL&#8217;in sunabilece\u011fi \u00e7ok daha fazlas\u0131 vard\u0131r:<\/p>\n<ul>\n<li>Dil deste\u011fi<\/li>\n<li>A\u00e7\u0131k kaynak<\/li>\n<li>Nesne-\u0130li\u015fkisel Veritaban\u0131<\/li>\n<li>Verim<\/li>\n<li>Geni\u015fletilebilirlik<\/li>\n<li>Y\u00fck dengeleme Yetenekleri<\/li>\n<li>G\u00fcvenilirlik<\/li>\n<li>Uluslararas\u0131la\u015fma<\/li>\n<\/ul>\n<p>Bunlar\u0131 daha detayl\u0131 inceleyelim.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dil-destegi\"><\/span><strong>Dil deste\u011fi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PL\/PGSQL, farkl\u0131 modern \u00f6zelliklere sahip PostgreSQL taraf\u0131ndan sa\u011flanan yerel bir prosed\u00fcr dilidir. Hafif olan ve tek bir pakette yer alan esnekli\u011fi sa\u011flayan JSON veri t\u00fcr\u00fcn\u00fc destekler. Sonu\u00e7 olarak PostgreSQL; <strong>Perl, Ruby,\u00a0Python\u00a0, .Net, C\/C++,\u00a0Java\u00a0, ODBC ve Go<\/strong> dahil olmak \u00fczere \u00e7e\u015fitli programlama dillerini ve protokolleri destekler.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Acik-kaynak\"><\/span><strong>A\u00e7\u0131k kaynak<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Postgre \u00fccretsizdir ve a\u00e7\u0131k kaynak kodludur. Bu, PostgreSQL&#8217;in a\u00e7\u0131k ara en \u00f6nemli faydas\u0131d\u0131r.\u00a020 y\u0131l\u0131 a\u015fk\u0131n bir s\u00fcredir topluluk geli\u015fimi ile desteklenmi\u015ftir ve bu da y\u00fcksek d\u00fczeyde b\u00fct\u00fcnl\u00fc\u011f\u00fcne katk\u0131da bulunmu\u015ftur.\u00a0Kaynak kodu, uygun g\u00f6rd\u00fc\u011f\u00fcn\u00fcz \u015fekilde (hi\u00e7bir ek \u00fccret \u00f6demeden) kullanman\u0131za, de\u011fi\u015ftirmenize ve uygulaman\u0131za izin veren bir a\u00e7\u0131k kaynak lisans\u0131 alt\u0131nda mevcuttur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nesne-Iliskisel-Veritabani\"><\/span><strong>Nesne-\u0130li\u015fkisel Veritaban\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nesneler, s\u0131n\u0131flar ve i\u015flev a\u015f\u0131r\u0131 y\u00fcklemesi, PostgreSQL&#8217;de do\u011frudan desteklenir.\u00a0Nesne y\u00f6nelimli \u00f6zellikleri nedeniyle, \u00f6zel veri t\u00fcrleri olu\u015fturmak i\u00e7in veri t\u00fcrlerini geni\u015fletmek m\u00fcmk\u00fcnd\u00fcr.\u00a0Bu , veritaban\u0131 entegrasyonu gerektiren karma\u015f\u0131k veri modelleriyle \u00e7al\u0131\u015fan\u00a0<a href=\"https:\/\/www.ihs.com.tr\/blog\/gelistiriciler-icin-en-iyi-5-php-framework\/\">geli\u015ftiriciler<\/a>\u00a0i\u00e7in y\u00fcksek esnekli\u011fi garanti eder .<\/p>\n<p>Tablo miras\u0131, nesne y\u00f6nelimli \u00f6zelliklerinden dolay\u0131 PostgreSQL taraf\u0131ndan desteklenen bir ba\u015fka \u00f6zelliktir.\u00a0Alt tablo, alt tablonun sahip oldu\u011fu di\u011fer s\u00fctunlara ek olarak \u00fcst tablosundaki s\u00fctunlar\u0131 miras alabilir ve bu da onu kendisinden farkl\u0131 k\u0131lar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Verim\"><\/span><strong>Verim<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL&#8217;de yazma i\u015flemleri, okuma\/yazma kilitlerine ihtiya\u00e7 duymadan ayn\u0131 anda ger\u00e7ekle\u015ftirilebilir.\u00a0Dizinler, b\u00fcy\u00fck miktarda veriyle u\u011fra\u015f\u0131rken sorgular\u0131 h\u0131zland\u0131rmak i\u00e7in kullan\u0131l\u0131r; bu, veritabanlar\u0131n\u0131n t\u00fcm veriler aras\u0131nda ge\u00e7i\u015f yapmak zorunda kalmadan belirli bir sat\u0131r\u0131 bulmas\u0131n\u0131 sa\u011flar.<\/p>\n<p>PostgreSQL ile, yaln\u0131zca bir s\u00fctunun de\u011feri yerine bir ifadenin veya bir i\u015flevin sonucu \u00fczerinde \u00e7al\u0131\u015fan bir ifade dizini bile olu\u015fturabilirsiniz.\u00a0K\u0131smi indeksleme de desteklenir, burada tablonun sadece bir k\u0131sm\u0131 indekslenir.\u00a0Ayr\u0131ca, okuma sorgular\u0131n\u0131n paralelle\u015ftirilmesini, ifadelerin tam zaman\u0131nda (JIT) derlenmesini ve i\u00e7 i\u00e7e i\u015flemleri (kaydetme noktalar\u0131 arac\u0131l\u0131\u011f\u0131yla) destekler ve m\u00fckemmel performans ve verimlilik sa\u011flar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Genisletilebilirlik\"><\/span><strong>Geni\u015fletilebilirlik<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL, \u00e7al\u0131\u015fmas\u0131 katalog odakl\u0131 oldu\u011fundan, yani bilgi veritabanlar\u0131nda, s\u00fctunlarda, tablolarda vb. depoland\u0131\u011f\u0131ndan olduk\u00e7a geni\u015fletilebilir. PostgreSQL, kataloglar\u0131nda yaln\u0131zca artan miktarda bilgi bulundurmakla kalmaz, ayn\u0131 zamanda veri t\u00fcrleri, eri\u015fim y\u00f6ntemleri, i\u015flevler, ve benzeri.\u00a0Hatta Veritaban\u0131n\u0131z\u0131 yeniden derlemeden farkl\u0131 programlama dillerinden kodlar\u0131n\u0131z\u0131 yazacak kadar ileri gidebilir ve veri t\u00fcrlerinizi tan\u0131mlayabilirsiniz.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Yuk-Dengeleme-Yetenekleri\"><\/span><strong>Y\u00fck Dengeleme Yetenekleri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yedek sunucu \u00e7al\u0131\u015fmas\u0131, s\u00fcrekli planlama, birincil sunucular\u0131 yedek sunucular i\u00e7in haz\u0131rlama, yedek sunucu kurma, ak\u0131\u015f \u00e7o\u011faltma, \u00e7o\u011faltma yuvalar\u0131, basamakl\u0131 \u00e7o\u011faltma ve bekleme modunda s\u00fcrekli ar\u015fivleme yoluyla y\u00fcksek kullan\u0131labilirlik ve y\u00fck dengelemeyi garanti eder.\u00a0<em>Ek olarak, PostgreSQL ,<\/em>\u00a0iki veritaban\u0131 \u00f6rne\u011finin ayn\u0131 anda \u00e7al\u0131\u015fabildi\u011fi ve ana veritaban\u0131n\u0131n bir ba\u011f\u0131ml\u0131 veritaban\u0131yla e\u015fzamanl\u0131 olarak senkronize edildi\u011fi ve ayr\u0131ca y\u00fcksek kullan\u0131labilirlik sa\u011flad\u0131\u011f\u0131\u00a0e\u015fzamanl\u0131 \u00e7o\u011faltmay\u0131 destekler .<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Guvenilirlik\"><\/span><strong>G\u00fcvenilirlik<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Verileri g\u00fcvenli bir \u015fekilde depolaman\u0131n ve istek i\u015flendi\u011finde kullan\u0131c\u0131n\u0131n verileri almas\u0131na izin vermenin yan\u0131 s\u0131ra, d\u00fczenli olarak hatalar\u0131 bulan ve yaz\u0131l\u0131m\u0131 geli\u015ftirmeye \u00e7al\u0131\u015fan ve PostgreSQL&#8217;i g\u00fcvenilir hale getiren bir katk\u0131da bulunanlar toplulu\u011fu taraf\u0131ndan desteklenir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uluslararasilasma\"><\/span><strong>Uluslararas\u0131la\u015fma<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir dizi b\u00f6lgede kullan\u0131labilecek \u015fekilde yaz\u0131l\u0131m tasarlama s\u00fcreci, uluslararas\u0131la\u015ft\u0131rma olarak bilinir.\u00a0\u00c7ok baytl\u0131 karakter kodlamalar\u0131, ICU harmanlamalar\u0131, Unicode arac\u0131l\u0131\u011f\u0131yla uluslararas\u0131 karakter k\u00fcmelerini destekler ve s\u0131ralama, bi\u00e7imlendirme ve b\u00fcy\u00fck\/k\u00fc\u00e7\u00fck harf duyarl\u0131l\u0131\u011f\u0131 i\u00e7in yerel ayara duyarl\u0131d\u0131r.\u00a0PostgreSQL taraf\u0131ndan olu\u015fturulan mesajlar\u0131 se\u00e7ti\u011finiz dilde g\u00f6r\u00fcnt\u00fclemek, Uluslararas\u0131la\u015ft\u0131rmaya bir \u00f6rnektir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PostgreSQL-Ne-Zaman-Kullanilir\"><\/span><strong>PostgreSQL Ne Zaman Kullan\u0131l\u0131r?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u00fcmk\u00fcn olan en uygun maliyetli \u015fekilde s\u0131k s\u0131k g\u00fcncellenmesi, \u00a0tutarl\u0131 bir \u015fekilde s\u00fcrd\u00fcr\u00fclmesi gereken karma\u015f\u0131k sorgular ve ili\u015fkiler olu\u015fturman\u0131z m\u0131 gerekiyor? PostgreSQL uygun bir se\u00e7enek olabilir. PostgreSQL yaln\u0131zca \u00fccretsiz de\u011fil, ayn\u0131 zamanda \u00c7apraz Platformdur ve yaln\u0131zca Windows i\u015fletim sistemiyle s\u0131n\u0131rl\u0131 de\u011fildir. Verileri analiz etmek istiyorsan\u0131z, PostgreSQL analitik \u00e7al\u0131\u015fman\u0131n temeli olarak \u00e7ok say\u0131da d\u00fczenli ifade sa\u011flar.<\/p>\n<p>Ayr\u0131ca CSV deste\u011fi s\u00f6z konusu oldu\u011funda en iyi veritabanlar\u0131ndan biridir.\u00a0\u201c\u015euradan Kopyala\u201d ve \u201c\u015euraya Kopyala\u201d gibi basit komutlar, verilerin h\u0131zl\u0131 i\u015flenmesine yard\u0131mc\u0131 olur.\u00a0Bir i\u00e7e aktarma sorunu varsa, hata verir ve i\u00e7e aktarmay\u0131 hemen durdurur.\u00a0A\u015fa\u011f\u0131daki b\u00f6l\u00fcmler, modern d\u00fcnyada PostgreSQL&#8217;in en yayg\u0131n uygulamalar\u0131ndan baz\u0131lar\u0131n\u0131 kapsamaktad\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Devlet-Cografi-Verileri\"><\/span><strong>Devlet Co\u011frafi Verileri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL i\u00e7in PostGIS Geospatial veritaban\u0131 uzant\u0131s\u0131 eklentisi \u015f\u00fcphesiz faydal\u0131d\u0131r.\u00a0PostGIS uzant\u0131s\u0131yla birlikte kullan\u0131ld\u0131\u011f\u0131nda PostgreSQL, co\u011frafi nesneleri destekler ve co\u011frafi bilgi sistemleri (GIS) ve konum tabanl\u0131 hizmetler i\u00e7in bir jeo-uzamsal veri deposu olarak kullan\u0131labilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Finansal-endustri\"><\/span><strong>Finansal end\u00fcstri<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PostgreSQL, finans sekt\u00f6r\u00fc i\u00e7in ideal bir DBMS sistemidir.\u00a0Tamamen ACID uyumlu oldu\u011fundan, bu veritabanlar\u0131n\u0131n s\u0131k s\u0131k yaz\u0131lmas\u0131, okunmas\u0131 ve g\u00fcncellenmesi gerekti\u011finden ve h\u0131zl\u0131 i\u015flemeye vurgu yap\u0131ld\u0131\u011f\u0131ndan OLTP (\u00c7evrimi\u00e7i \u0130\u015flem \u0130\u015fleme) i\u00e7in ideal bir se\u00e7imdir.\u00a0Ayr\u0131ca veritaban\u0131 analiti\u011fi y\u00fcr\u00fctmede de uygundur.\u00a0Matlab ve R gibi matematiksel i\u015flemleri yapan herhangi bir yaz\u0131l\u0131m ile entegre edilebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bilimsel-Veriler\"><\/span><strong>Bilimsel Veriler<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bilimsel veriler terabaytlarca veri gerektirir.\u00a0Verileri m\u00fcmk\u00fcn olan en verimli \u015fekilde i\u015flemek zorunludur.\u00a0PostgreSQL harika analizler ve g\u00fc\u00e7l\u00fc bir\u00a0SQL motoru\u00a0sa\u011flar .\u00a0Bu, b\u00fcy\u00fck miktarda veriyi kolayl\u0131kla y\u00f6netmeye yard\u0131mc\u0131 olur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Web-Teknolojisi\"><\/span><strong>Web Teknolojisi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Web siteleri genellikle saniyede y\u00fczlerce veya binlerce istekle ilgilenir.\u00a0Geli\u015ftirici uygun maliyetli ve \u00f6l\u00e7eklenebilir bir \u00e7\u00f6z\u00fcm ar\u0131yorsa, PostgreSQL en uygunu olacakt\u0131r.\u00a0PostgreSQL, LAMP y\u0131\u011f\u0131n\u0131na, yani LAPP y\u0131\u011f\u0131n\u0131na g\u00fc\u00e7l\u00fc bir alternatifin par\u00e7as\u0131 olarak dinamik web sitelerini ve uygulamalar\u0131 \u00e7al\u0131\u015ft\u0131rabilir.\u00a0(<a href=\"https:\/\/www.ihs.com.tr\/blog\/en-populer-39-linux-komutu\/\">Linux<\/a>,\u00a0<a href=\"https:\/\/www.ihs.com.tr\/blog\/apache-nedir\/\">Apache<\/a>\u00a0, PostgreSQL,\u00a0<a href=\"https:\/\/www.ihs.com.tr\/blog\/php-hakkinda-sikca-sorulan-sorular\/\">PHP<\/a>\u00a0, Python ve Perl)<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uretme\"><\/span><strong>\u00dcretme<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir\u00e7ok startup ve b\u00fcy\u00fck kurulu\u015f, \u00fcr\u00fcnler, \u00e7\u00f6z\u00fcmler ve internet \u00f6l\u00e7e\u011findeki uygulamalar i\u00e7in ana veri depolama \u00e7\u00f6z\u00fcm\u00fc olarak PostgreSQL&#8217;i kullan\u0131r.\u00a0Tedarik zinciri performans\u0131, bu a\u00e7\u0131k kaynakl\u0131 DBMS&#8217;yi bir depolama arka ucu olarak kullanarak optimize edilebilir.\u00a0Sonu\u00e7 olarak bu, \u015firketlerin i\u015fletmelerinin i\u015fletme maliyetlerini d\u00fc\u015f\u00fcrmelerini sa\u011flar.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PostgreSQLin-Operasyonel-Zorluklari\"><\/span><strong>PostgreSQL&#8217;in Operasyonel Zorluklar\u0131<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bu makalede \u015fimdiye kadar yaln\u0131zca PostgreSQL&#8217;in avantajlar\u0131n\u0131 ve faydalar\u0131n\u0131 aktard\u0131k, bu nedenle PostgreSQL ile u\u011fra\u015f\u0131rken rastlayabilece\u011finiz birka\u00e7 eksiklikten bahsedebiliriz. \u0130\u015fte PostgreSQL&#8217;in benimsenmesi s\u00fcrecinde kar\u015f\u0131la\u015fabilece\u011finiz birka\u00e7 operasyonel zorluk.<\/p>\n<ul>\n<li><strong>Olgun Veritaban\u0131 Ekosisteminin Eksikli\u011fi<\/strong>\u00a0: PostgreSQL en h\u0131zl\u0131 b\u00fcy\u00fcyen topluluklardan birine sahiptir ancak geleneksel veritaban\u0131 sat\u0131c\u0131lar\u0131n\u0131n aksine PostgreSQL toplulu\u011fu geli\u015fmi\u015f bir veritaban\u0131 ekosisteminin rahatl\u0131\u011f\u0131na sahip de\u011fildir.<\/li>\n<li><strong>Uzmanl\u0131\u011f\u0131n Yoklu\u011fu<\/strong>\u00a0: PostgreSQL genellikle MongoDB gibi \u00e7e\u015fitli veritabanlar\u0131yla birle\u015ftirilir.\u00a0Art\u0131k, her bir veritaban\u0131 \u00f6zel bir h\u00fcner gerektirir ve istenen PostgreSQL yeterlili\u011fine sahip teknik personeli i\u015fe almak, zor bir i\u015f olabilir.\u00a0PostgreSQL i\u00e7in y\u00f6netim ara\u00e7lar\u0131n\u0131n yan\u0131 s\u0131ra, veritaban\u0131 uzmanlar\u0131 ve DevOps ekiplerinin birden \u00e7ok sat\u0131c\u0131dan gelen \u00e7e\u015fitli veritabanlar\u0131n\u0131 ele almas\u0131 gerekir.\u00a0Mevcut s\u00fcre\u00e7ler aras\u0131nda ge\u00e7i\u015f yapamad\u0131\u011f\u0131n\u0131zda bunu y\u00f6netmek zor olabilir.<\/li>\n<li><strong>Tutars\u0131zl\u0131k<\/strong>\u00a0: PostgreSQL a\u00e7\u0131k kaynakl\u0131 bir ara\u00e7 oldu\u011fundan, bir kurulu\u015ftaki farkl\u0131 BT geli\u015ftirme ekipleri onu organik olarak kullanmaya ba\u015flayabilir.\u00a0Bu, BT ortam\u0131ndaki t\u00fcm PostgreSQL \u00f6rnekleri i\u00e7in tek bir bilgi noktas\u0131 eksikli\u011fine ba\u015fka bir engele yol a\u00e7abilir.\u00a0Farkl\u0131 ekiplerin ayn\u0131 sorunu \u00e7\u00f6zmeye \u00e7al\u0131\u015fmas\u0131ndan kaynaklanabilecek bir di\u011fer sorun ise tekrarlama ve i\u015f fazlal\u0131\u011f\u0131d\u0131r.<\/li>\n<\/ul>\n<p><strong>son olarak<\/strong><\/p>\n<p>PostgreSQL, SQL uyumlulu\u011funa ve geni\u015fletilebilirli\u011fine odaklanan a\u00e7\u0131k kaynakl\u0131 ve \u00fccretsiz bir ili\u015fkisel veritaban\u0131 y\u00f6netim sistemidir.\u00a030 y\u0131l\u0131 a\u015fk\u0131n aktif geli\u015ftirmenin arkas\u0131na dayanan PostgreSQL, d\u00fcnya \u00e7ap\u0131nda en yayg\u0131n kullan\u0131lan a\u00e7\u0131k kaynakl\u0131 veritaban\u0131 ara\u00e7lar\u0131ndan biridir.<\/p>\n<p>Bu makalede, PostgreSQL&#8217;in g\u00f6ze \u00e7arpan baz\u0131 \u00f6zelliklerini, PostgreSQL&#8217;in mimarisini, kullan\u0131m \u00f6rneklerini, faydalar\u0131n\u0131, operasyonel zorluklar\u0131n\u0131 ele ald\u0131k.<\/p>\n<p>Makalemizden faydalanabilece\u011fini d\u00fc\u015f\u00fcnd\u00fc\u011f\u00fcn\u00fcz ki\u015filerle i\u00e7eri\u011fimizi payla\u015farak daha fazla ki\u015finin bu konuda bilgi sahibi olmas\u0131n\u0131 sa\u011flayabilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u00fcn\u00fcm\u00fczde hemen hemen her yaz\u0131l\u0131m veya web uygulamas\u0131, back-end\u00a0 taraf\u0131nda bir\u00a0veritaban\u0131\u00a0gerektirir .\u00a0Saniyede ger\u00e7ekle\u015fen i\u015flemlerin artmas\u0131 ve depolanan terabaytlarca veri, bu verileri bar\u0131nd\u0131rmak&hellip;<\/p>\n","protected":false},"author":3,"featured_media":14243,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"class_list":["post-14242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunucu"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/14242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=14242"}],"version-history":[{"count":1,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/14242\/revisions"}],"predecessor-version":[{"id":14244,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/14242\/revisions\/14244"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media\/14243"}],"wp:attachment":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=14242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=14242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=14242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}