{"id":7007,"date":"2025-10-07T10:00:00","date_gmt":"2025-10-07T07:00:00","guid":{"rendered":"https:\/\/yazilimyap.com\/?p=7007"},"modified":"2025-10-07T10:00:00","modified_gmt":"2025-10-07T07:00:00","slug":"dogru-veri-tabani-secimi-sql-mi-nosql-mi","status":"publish","type":"post","link":"https:\/\/yazilimyap.com\/index.php\/2025\/10\/07\/dogru-veri-tabani-secimi-sql-mi-nosql-mi\/","title":{"rendered":"Do\u011fru Veri Taban\u0131 Se\u00e7imi SQL mi NoSQL mi?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">G\u00fcn\u00fcm\u00fczde yaz\u0131l\u0131m projelerinin temel yap\u0131 ta\u015flar\u0131ndan biri <strong>veri tabanlar\u0131d\u0131r<\/strong>. Bir mobil uygulama, web sitesi ya da kurumsal sistem geli\u015ftirirken, do\u011fru veri taban\u0131 teknolojisinin se\u00e7ilmesi, projenin ba\u015far\u0131s\u0131 \u00fczerinde do\u011frudan etkilidir. Bu noktada geli\u015ftiriciler genellikle \u015fu soruyu sorar: <strong>\u201cSQL mi NoSQL mi?\u201d<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Her iki yakla\u015f\u0131m da g\u00fc\u00e7l\u00fc y\u00f6nleriyle \u00f6ne \u00e7\u0131kar, ancak kullan\u0131m senaryolar\u0131, veri yap\u0131s\u0131 ve \u00f6l\u00e7eklenebilirlik ihtiya\u00e7lar\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemli farklar ta\u015f\u0131r. Bu makalede, <strong>SQL ve NoSQL<\/strong> veritabanlar\u0131n\u0131n temel \u00f6zellikleri, avantajlar\u0131, dezavantajlar\u0131 ve hangi t\u00fcr projelerde hangisinin tercih edilmesi gerekti\u011fi konusunda detayl\u0131 bilgiler bulacaks\u0131n\u0131z.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SQL Nedir? Geleneksel \u0130li\u015fkisel Veri Tabanlar\u0131<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0130li\u015fkisel Veri Taban\u0131 Mant\u0131\u011f\u0131<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SQL (Structured Query Language)<\/strong>, ili\u015fkisel veri taban\u0131 y\u00f6netim sistemlerinde (RDBMS) veri tan\u0131mlama, sorgulama ve y\u00f6netimi i\u00e7in kullan\u0131lan standart bir dildir. MySQL, PostgreSQL, Oracle ve Microsoft SQL Server gibi sistemler, <strong>tablo-tabanl\u0131<\/strong>, <strong>\u015femal\u0131<\/strong> ve <strong>ACID uyumlu<\/strong> yap\u0131lar sunar.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ACID \u00d6zellikleri:<\/strong> Atomicity (Atomiklik), Consistency (Tutarl\u0131l\u0131k), Isolation (Yal\u0131t\u0131m), Durability (Kal\u0131c\u0131l\u0131k)<\/li>\n\n\n\n<li><strong>Sabit \u015eema:<\/strong> Tablolar \u00f6nceden tan\u0131mlanmal\u0131, s\u00fctun tipleri sabit olur.<\/li>\n\n\n\n<li><strong>\u0130li\u015fkiler:<\/strong> Tablolar aras\u0131nda foreign key\u2019lerle ili\u015fkiler kurulabilir.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SQL Veri Taban\u0131 Kullan\u0131m Senaryolar\u0131<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Finansal sistemler (bankac\u0131l\u0131k, muhasebe)<\/li>\n\n\n\n<li>E-ticaret platformlar\u0131 (sipari\u015f, stok takibi)<\/li>\n\n\n\n<li>Kurumsal CRM ve ERP sistemleri<\/li>\n\n\n\n<li>Veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fcn kritik oldu\u011fu uygulamalar<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yazilimyap.com\/wp-content\/uploads\/2025\/10\/veri-tabani-1024x684.jpg\" alt=\"\" class=\"wp-image-7013\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>NoSQL Nedir? Esnek ve \u00d6l\u00e7eklenebilir Veri Modelleri<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>NoSQL\u2019in Temel \u00d6zellikleri<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>NoSQL (Not Only SQL)<\/strong>, ili\u015fkisel olmayan, genellikle \u015femas\u0131z ve da\u011f\u0131t\u0131k veri taban\u0131 sistemlerini ifade eder. MongoDB, Cassandra, Redis, Couchbase gibi sistemler bu kategoriye girer. NoSQL, b\u00fcy\u00fck veri hacimleri ve y\u00fcksek okuma\/yazma ihtiya\u00e7lar\u0131 i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">NoSQL veritabanlar\u0131 d\u00f6rt ana t\u00fcre ayr\u0131l\u0131r:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Belge-tabanl\u0131 (Document):<\/strong> MongoDB, CouchDB<\/li>\n\n\n\n<li><strong>Anahtar-de\u011fer (Key-Value):<\/strong> Redis, DynamoDB<\/li>\n\n\n\n<li><strong>S\u00fctun-tabanl\u0131 (Column-family):<\/strong> Cassandra, HBase<\/li>\n\n\n\n<li><strong>Graf-tabanl\u0131 (Graph):<\/strong> Neo4j, Amazon Neptune<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>NoSQL Veri Taban\u0131 Avantajlar\u0131<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u015eema esnekli\u011fi:<\/strong> Her kay\u0131t farkl\u0131 yap\u0131da olabilir.<\/li>\n\n\n\n<li><strong>Yatay \u00f6l\u00e7eklenebilirlik:<\/strong> Sunucu ekleyerek performans art\u0131r\u0131labilir.<\/li>\n\n\n\n<li><strong>Y\u00fcksek performans:<\/strong> Basit sorgular \u00e7ok h\u0131zl\u0131 \u00e7al\u0131\u015f\u0131r.<\/li>\n\n\n\n<li><strong>Da\u011f\u0131t\u0131k mimari:<\/strong> Bulut ve mikroservis mimarilerine uygundur.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>NoSQL Kullan\u0131m Senaryolar\u0131<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ger\u00e7ek zamanl\u0131 analiz sistemleri<\/li>\n\n\n\n<li>IoT (Nesnelerin \u0130nterneti) veri toplama<\/li>\n\n\n\n<li>Sosyal medya platformlar\u0131<\/li>\n\n\n\n<li>\u0130\u00e7erik y\u00f6netim sistemleri (CMS)<\/li>\n\n\n\n<li>Mikroservis tabanl\u0131 uygulamalar<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/yazilimyap.com\/wp-content\/uploads\/2025\/10\/veritabani.jpg\" alt=\"veri taban\u0131\" class=\"wp-image-7012\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SQL vs NoSQL: Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Analiz<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Veri Yap\u0131s\u0131 ve \u015eema<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u00d6ZELL\u0130K<\/th><th>SQL<\/th><th>NOSQL<\/th><\/tr><\/thead><tbody><tr><td>\u015eema<\/td><td>Sabit, \u00f6nceden tan\u0131ml\u0131<\/td><td>Dinamik, esnek<\/td><\/tr><tr><td>Veri Modeli<\/td><td>Tablolar ve ili\u015fkiler<\/td><td>Belge, anahtar-de\u011fer, graf vb.<\/td><\/tr><tr><td>Yap\u0131sal Karma\u015f\u0131kl\u0131k<\/td><td>Y\u00fcksek (join\u2019ler)<\/td><td>D\u00fc\u015f\u00fck (denormalize veri)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Performans ve \u00d6l\u00e7eklenebilirlik<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SQL<\/strong>: Dikey \u00f6l\u00e7eklenebilir (daha g\u00fc\u00e7l\u00fc sunucu).<\/li>\n\n\n\n<li><strong>NoSQL<\/strong>: Yatay \u00f6l\u00e7eklenebilir (daha fazla sunucu).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">NoSQL, b\u00fcy\u00fck veri setlerinde ve y\u00fcksek trafi\u011fe sahip sistemlerde daha iyi performans sunar. Ancak karma\u015f\u0131k sorgular (\u00f6rne\u011fin \u00e7oklu tablo join\u2019leri) SQL\u2019de daha verimlidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Veri B\u00fct\u00fcnl\u00fc\u011f\u00fc ve G\u00fcvenilirlik<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQL veritabanlar\u0131 <strong>ACID<\/strong> prensiplerini destekler, bu da finansal i\u015flemler gibi hassas senaryolarda kritik \u00f6neme sahiptir. NoSQL sistemleri genellikle <strong>BASE<\/strong> (Basically Available, Soft state, Eventually consistent) modelini benimser, yani tutarl\u0131l\u0131k k\u0131sa vadede garantilenmez.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Hangi Projede Hangi Veri Taban\u0131 Tercih Edilmeli?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SQL Tercih Edilmeli:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Veri b\u00fct\u00fcnl\u00fc\u011f\u00fc hayati \u00f6neme sahipse (\u00f6rne\u011fin banka i\u015flemleri)<\/li>\n\n\n\n<li>Karma\u015f\u0131k sorgular ve raporlamalar gerekiyorsa<\/li>\n\n\n\n<li>Tak\u0131m\u0131n\u0131z SQL konusunda deneyimliyse<\/li>\n\n\n\n<li>Proje \u00f6l\u00e7e\u011fi k\u00fc\u00e7\u00fck-orta ve yap\u0131sal veri a\u011f\u0131rl\u0131kl\u0131ysa<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>NoSQL Tercih Edilmeli:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Veri yap\u0131s\u0131 dinamik ve s\u00fcrekli de\u011fi\u015fiyorsa<\/li>\n\n\n\n<li>Milyonlarca kullan\u0131c\u0131ya hizmet veriliyorsa<\/li>\n\n\n\n<li>Ger\u00e7ek zamanl\u0131 veri i\u015fleme gerekiyorsa<\/li>\n\n\n\n<li>Mikroservis mimarisi kullan\u0131l\u0131yorsa<\/li>\n\n\n\n<li>H\u0131zl\u0131 prototipleme ve esneklik \u00f6ncelikliyse<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u0130pucu:<\/strong> G\u00fcn\u00fcm\u00fczde <strong>hibrit yakla\u015f\u0131mlar<\/strong> da yayg\u0131n. \u00d6rne\u011fin, kullan\u0131c\u0131 profilleri i\u00e7in MongoDB, finansal i\u015flemler i\u00e7in PostgreSQL kullan\u0131labilir.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ger\u00e7ek Hayattan \u00d6rnekler<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Instagram:<\/strong> PostgreSQL kullan\u0131r (kullan\u0131c\u0131 ili\u015fkileri ve tutarl\u0131l\u0131k i\u00e7in).<\/li>\n\n\n\n<li><strong>Netflix:<\/strong> Cassandra (NoSQL) ile milyonlarca kullan\u0131c\u0131ya anl\u0131k i\u00e7erik \u00f6nerisi sunar.<\/li>\n\n\n\n<li><strong>Twitter:<\/strong> Hem MySQL hem de Manhattan (NoSQL) kullan\u0131r; farkl\u0131 ihtiya\u00e7lar i\u00e7in farkl\u0131 sistemler.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sonu\u00e7: Do\u011fru Veri Taban\u0131 Se\u00e7imi, Projeye Can Katar<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SQL ve NoSQL<\/strong>, birbirinin yerine ge\u00e7ebilecek rakip teknolojiler de\u011fil; <strong>farkl\u0131 ihtiya\u00e7lara y\u00f6nelik \u00e7\u00f6z\u00fcmlerdir<\/strong>. Projelerinizde hangi veri taban\u0131 t\u00fcr\u00fcn\u00fcn daha uygun oldu\u011funu belirlerken \u015fu sorular\u0131 sormal\u0131s\u0131n\u0131z:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Verim yap\u0131sal m\u0131, yoksa yar\u0131-yap\u0131s\u0131z m\u0131?<\/li>\n\n\n\n<li>\u00d6l\u00e7eklenebilirlik mi, yoksa veri b\u00fct\u00fcnl\u00fc\u011f\u00fc m\u00fc \u00f6ncelikli?<\/li>\n\n\n\n<li>Tak\u0131m\u0131n\u0131z\u0131n teknik yeterlili\u011fi hangi y\u00f6nde?<\/li>\n\n\n\n<li>Gelecekte veri modelimiz de\u011fi\u015febilir mi?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bu sorulara verdi\u011finiz yan\u0131tlar, <strong>SQL mi NoSQL mi?<\/strong> sorusunun cevab\u0131n\u0131 do\u011fal olarak ortaya \u00e7\u0131karacakt\u0131r. Unutmay\u0131n: en iyi teknoloji, projenizin ihtiya\u00e7lar\u0131na en iyi \u015fekilde hizmet eden teknolojidir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0130lginizi \u00e7ekecek daha fazla makaleye\u00a0<a href=\"https:\/\/yazilimyap.com\/category\/sql\/\" title=\"\">buradan<\/a>\u00a0ula\u015fabilirsiniz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/instagram.com\/yazilim.yap\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">Instagram<\/a> hesab\u0131m\u0131z\u0131 takip edebilirsiniz b\u00f6ylece bize destek sa\u011flayabilirsiniz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQL mi NoSQL mi? Projeleriniz i\u00e7in hangi veri taban\u0131 t\u00fcr\u00fc daha uygun? Performans, \u00f6l\u00e7eklenebilirlik ve veri yap\u0131s\u0131 a\u00e7\u0131s\u0131ndan detayl\u0131 kar\u015f\u0131la\u015ft\u0131rma.<\/p>\n","protected":false},"author":2,"featured_media":7031,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22,34],"tags":[133,159,165,179,181],"class_list":["post-7007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel","category-sql","tag-nosql","tag-sql","tag-sql-vs-nosql","tag-veritabani","tag-veritabani-turleri"],"acf":[],"_links":{"self":[{"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/posts\/7007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/comments?post=7007"}],"version-history":[{"count":0,"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/posts\/7007\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/media\/7031"}],"wp:attachment":[{"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/media?parent=7007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/categories?post=7007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yazilimyap.com\/index.php\/wp-json\/wp\/v2\/tags?post=7007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}