{"id":25545,"date":"2025-07-08T06:15:28","date_gmt":"2025-07-08T03:15:28","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/"},"modified":"2025-07-08T06:15:28","modified_gmt":"2025-07-08T03:15:28","slug":"postgresqlde-anti-join-nasil-yapilir","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/","title":{"rendered":"PostgreSQL&#8217;de Anti-Join Nas\u0131l Yap\u0131l\u0131r"},"content":{"rendered":"<p># PostgreSQL&#8217;de Anti-Join Nas\u0131l Yap\u0131l\u0131r?<\/p>\n<p>PostgreSQL veritaban\u0131n\u0131zda, iki tablo aras\u0131ndaki ili\u015fkileri sorgulamak i\u00e7in s\u0131kl\u0131kla JOIN i\u015flemlerini kullan\u0131rs\u0131n\u0131z.  Ancak bazen, belirli bir tabloda bulunan ama di\u011ferinde *bulunmayan* kay\u0131tlar\u0131 bulman\u0131z gerekir. \u0130\u015fte tam bu noktada anti-join (veya anti-join&#8217;in e\u015fde\u011feri olan EXCEPT veya MINUS i\u015flemleri) devreye girer.  Bu makalede, PostgreSQL&#8217;de anti-join nas\u0131l ger\u00e7ekle\u015ftirilir, performans\u0131 nas\u0131l optimize edilir ve ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l uygulan\u0131r detayl\u0131 olarak ele alaca\u011f\u0131z.<\/p>\n<p><strong>\u00d6\u011frenme Yol Haritas\u0131:<\/strong><\/p>\n<p>* <strong>Yeni Ba\u015flayan:<\/strong> Ad\u0131m ad\u0131m a\u00e7\u0131klama, basit kod \u00f6rne\u011fi<br \/>\n* <strong>Orta:<\/strong> Ger\u00e7ek hayat \u00f6rne\u011fi, optimizasyon ipu\u00e7lar\u0131<br \/>\n* <strong>\u0130leri D\u00fczey:<\/strong> Performans analizi, edge case&#8217;ler<\/p>\n<p><strong>PostgreSQL&#8217;de Anti-Join&#8217;e Giri\u015f: Temel Kavramlar<\/strong><\/p>\n<p>Bir anti-join, iki tablo aras\u0131nda ortak noktas\u0131 olmayan kay\u0131tlar\u0131 bulmak i\u00e7in kullan\u0131lan bir sorgu tekni\u011fidir.  Di\u011fer bir deyi\u015fle, bir tabloda bulunan ancak di\u011fer tabloda kar\u015f\u0131l\u0131\u011f\u0131 olmayan sat\u0131rlar\u0131 filtreler.  Bu,  <code class=\"language-\">LEFT (OUTER) JOIN<\/code> ile <code class=\"language-\">IS NULL<\/code> ko\u015fulunu kullanarak veya <code class=\"language-\">EXCEPT<\/code> \/ <code class=\"language-\">MINUS<\/code> set operat\u00f6rlerini kullanarak ger\u00e7ekle\u015ftirilebilir.  <code class=\"language-\">LEFT JOIN<\/code> yakla\u015f\u0131m\u0131, anti-join&#8217;in mant\u0131\u011f\u0131n\u0131 daha a\u00e7\u0131k bir \u015fekilde g\u00f6sterirken, <code class=\"language-\">EXCEPT<\/code> \/ <code class=\"language-\">MINUS<\/code> daha \u00f6zl\u00fc bir yakla\u015f\u0131m sunar.<\/p>\n<p>\u00d6rne\u011fin, bir &#8220;m\u00fc\u015fteriler&#8221; ve &#8220;sipari\u015fler&#8221; tablonuz oldu\u011funu d\u00fc\u015f\u00fcn\u00fcn.  M\u00fc\u015fteriler tablosunda sipari\u015fi olmayan m\u00fc\u015fterileri bulmak i\u00e7in anti-join kullanabilirsiniz.  Bu, hangi m\u00fc\u015fterilerin hen\u00fcz hi\u00e7bir \u00fcr\u00fcn sat\u0131n almad\u0131\u011f\u0131n\u0131 anlaman\u0131za yard\u0131mc\u0131 olur.<\/p>\n<p><strong>PostgreSQL&#8217;de Anti-Join Nas\u0131l Yap\u0131l\u0131r? (LEFT JOIN Y\u00f6ntemi)<\/strong><\/p>\n<p>En yayg\u0131n anti-join y\u00f6ntemi, <code class=\"language-\">LEFT JOIN<\/code> ile birlikte <code class=\"language-\">IS NULL<\/code> ko\u015fulunu kullanmakt\u0131r.  Bu y\u00f6ntem, her bir m\u00fc\u015fteri i\u00e7in sipari\u015f bilgilerini i\u00e7eren bir tablo olu\u015fturur ve ard\u0131ndan sipari\u015f bilgileri <code class=\"language-\">NULL<\/code> olan m\u00fc\u015fterileri filtreler.<\/p>\n<p><strong>Yeni Ba\u015flayan:<\/strong><\/p>\n<p>A\u015fa\u011f\u0131da basit bir \u00f6rnek bulunmaktad\u0131r.  <code class=\"language-\">musteriler<\/code> ve <code class=\"language-\">siparisler<\/code> tablolar\u0131m\u0131z oldu\u011funu varsayal\u0131m:<\/p>\n<pre class=\"language-sql\"><code>CREATE TABLE musteriler (\n    musteri_id INT PRIMARY KEY,\n    musteri_adi VARCHAR(255)\n);\n\nCREATE TABLE siparisler (\n    siparis_id INT PRIMARY KEY,\n    musteri_id INT REFERENCES musteriler(musteri_id)\n);\n\nINSERT INTO musteriler (musteri_id, musteri_adi) VALUES\n(1, 'Ahmet'),\n(2, 'Mehmet'),\n(3, 'Ay\u015fe');\n\nINSERT INTO siparisler (siparis_id, musteri_id) VALUES\n(1, 1),\n(2, 2);<\/code><\/pre>\n<p>Sipari\u015fi olmayan m\u00fc\u015fterileri bulmak i\u00e7in a\u015fa\u011f\u0131daki sorguyu \u00e7al\u0131\u015ft\u0131rabilirsiniz:<\/p>\n<pre class=\"language-sql\"><code>SELECT m.musteri_id, m.musteri_adi\nFROM musteriler m\nLEFT JOIN siparisler s ON m.musteri_id = s.musteri_id\nWHERE s.siparis_id IS NULL;<\/code><\/pre>\n<p>Bu sorgu, <code class=\"language-\">Ay\u015fe<\/code> adl\u0131 m\u00fc\u015fterinin (musteri_id 3) sipari\u015f vermedi\u011fini g\u00f6sterir.<\/p>\n<p><strong>PostgreSQL&#8217;de Anti-Join Nas\u0131l Yap\u0131l\u0131r? (EXCEPT \/ MINUS Y\u00f6ntemi)<\/strong><\/p>\n<p><code class=\"language-\">EXCEPT<\/code> (veya <code class=\"language-\">MINUS<\/code>, baz\u0131 SQL dillerinde) operat\u00f6r\u00fc, iki sorgu sonucunu kar\u015f\u0131la\u015ft\u0131rarak, birinci sorgunun sonucunda ikinci sorgunun sonucunda *bulunmayan* sat\u0131rlar\u0131 d\u00f6nd\u00fcr\u00fcr. Bu, anti-join i\u00e7in daha \u00f6zl\u00fc bir yakla\u015f\u0131m sunar.<\/p>\n<p><strong>Orta:<\/strong><\/p>\n<p>\u015eimdi ger\u00e7ek bir senaryoya bakal\u0131m. Bir e-ticaret sitesinin \u00fcr\u00fcn ve kategori tablolar\u0131n\u0131 ele alal\u0131m.  Baz\u0131 kategorilerde hi\u00e7 \u00fcr\u00fcn bulunmayabilir.  Bu kategorileri tespit etmek i\u00e7in <code class=\"language-\">EXCEPT<\/code> kullanabiliriz:<\/p>\n<pre class=\"language-sql\"><code>SELECT kategori_adi FROM kategoriler\nEXCEPT\nSELECT k.kategori_adi FROM urunler u JOIN kategoriler k ON u.kategori_id = k.kategori_id;<\/code><\/pre>\n<p>Bu sorgu, <code class=\"language-\">urunler<\/code> tablosunda kar\u015f\u0131l\u0131\u011f\u0131 olmayan <code class=\"language-\">kategoriler<\/code> tablosundaki kategori adlar\u0131n\u0131 d\u00f6nd\u00fcr\u00fcr.  Bu, \u00fcr\u00fcn i\u00e7ermeyen kategorileri tespit etmemizi sa\u011flar.  Bu sorgunun performans\u0131n\u0131 iyile\u015ftirmek i\u00e7in indeksleme \u00e7ok \u00f6nemlidir.  <code class=\"language-\">kategoriler<\/code> ve <code class=\"language-\">urunler<\/code> tablolar\u0131nda <code class=\"language-\">kategori_id<\/code> s\u00fctununa indeks eklemek sorgu performans\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rabilir.<\/p>\n<p><strong>PostgreSQL Anti-Join Performans Optimizasyonu<\/strong><\/p>\n<p>Anti-join sorgular\u0131n\u0131n performans\u0131, tablo boyutlar\u0131 ve indeksler taraf\u0131ndan b\u00fcy\u00fck \u00f6l\u00e7\u00fcde etkilenir.  B\u00fcy\u00fck tablolar \u00fczerinde \u00e7al\u0131\u015f\u0131rken performans d\u00fc\u015f\u00fc\u015f\u00fc ya\u015fanabilir. \u0130\u015fte baz\u0131 optimizasyon ipu\u00e7lar\u0131:<\/p>\n<p>* <strong>\u0130ndeksleme:<\/strong>  <code class=\"language-\">LEFT JOIN<\/code> y\u00f6nteminde kullan\u0131lan birle\u015ftirme s\u00fctunlar\u0131na (\u00f6rne\u011fimizde <code class=\"language-\">musteri_id<\/code>) indeks eklemek, sorgu performans\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r.  <code class=\"language-\">EXCEPT<\/code> y\u00f6nteminde ise her iki sorgunun da kulland\u0131\u011f\u0131 s\u00fctunlara indeks eklemek faydal\u0131d\u0131r.<\/p>\n<p>* <strong>WHERE ko\u015fullar\u0131:<\/strong>  Sorgunuzda m\u00fcmk\u00fcn oldu\u011funca <code class=\"language-\">WHERE<\/code> ko\u015fullar\u0131 kullanarak veri k\u00fcmesini filtreleyin.  Bu, veritaban\u0131n\u0131n i\u015fleme koymas\u0131 gereken veri miktar\u0131n\u0131 azalt\u0131r.<\/p>\n<p>* <strong>EXPLAIN ANALYZE:<\/strong>  Sorgunuzun performans\u0131n\u0131 analiz etmek i\u00e7in <code class=\"language-\">EXPLAIN ANALYZE<\/code> komutunu kullan\u0131n.  Bu, sorgunun hangi a\u015famalar\u0131nda zaman harcad\u0131\u011f\u0131n\u0131 ve hangi optimizasyonlar\u0131n yap\u0131labilece\u011fini g\u00f6sterir.<\/p>\n<p>* <strong>Materyalize G\u00f6r\u00fcn\u00fcmler (Materialized Views):<\/strong>  S\u0131k\u00e7a kullan\u0131lan anti-join sorgular\u0131 i\u00e7in materyalize g\u00f6r\u00fcn\u00fcmler olu\u015fturmay\u0131 d\u00fc\u015f\u00fcnebilirsiniz. Bu, verilerin \u00f6nceden hesaplanmas\u0131n\u0131 ve daha h\u0131zl\u0131 sorgu sonu\u00e7lar\u0131 elde edilmesini sa\u011flar.  Ancak materyalize g\u00f6r\u00fcn\u00fcmlerin g\u00fcncellenmesi ek y\u00fck getirir, bu y\u00fczden kullan\u0131m\u0131n\u0131 dikkatlice de\u011ferlendirmek gerekir.<\/p>\n<p><strong>PostgreSQL Anti-Join&#8217;de Edge Case&#8217;ler ve \u0130leri D\u00fczey Teknikler<\/strong><\/p>\n<p><strong>\u0130leri D\u00fczey:<\/strong><\/p>\n<p>Baz\u0131 durumlarda, anti-join&#8217;in beklenmedik sonu\u00e7lar \u00fcretmesi veya performans sorunlar\u0131na yol a\u00e7mas\u0131 m\u00fcmk\u00fcnd\u00fcr.  \u00d6rne\u011fin, birle\u015ftirme s\u00fctunlar\u0131nda <code class=\"language-\">NULL<\/code> de\u011ferler varsa, <code class=\"language-\">LEFT JOIN<\/code> ile <code class=\"language-\">IS NULL<\/code> kullan\u0131m\u0131 beklenmedik sonu\u00e7lar verebilir.  Bu durumlarda, <code class=\"language-\">COALESCE<\/code> fonksiyonu gibi fonksiyonlar kullanarak <code class=\"language-\">NULL<\/code> de\u011ferlerini i\u015flemek gerekebilir.  Ayr\u0131ca, b\u00fcy\u00fck veri k\u00fcmeleriyle \u00e7al\u0131\u015f\u0131rken, par\u00e7alama (partitioning) gibi teknikler performans\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirebilir.  Par\u00e7alama, b\u00fcy\u00fck tablolar\u0131 daha k\u00fc\u00e7\u00fck, daha y\u00f6netilebilir par\u00e7alara ay\u0131rman\u0131za olanak tan\u0131r, b\u00f6ylece sorgular daha h\u0131zl\u0131 \u00e7al\u0131\u015f\u0131r.<\/p>\n<p>\u00d6rne\u011fin, bir <code class=\"language-\">musteriler<\/code> tablosunda <code class=\"language-\">musteri_id<\/code> s\u00fctununda <code class=\"language-\">NULL<\/code> de\u011ferler varsa ve bu de\u011ferler sipari\u015f bilgilerine kar\u015f\u0131l\u0131k geliyorsa, <code class=\"language-\">IS NULL<\/code> ko\u015fulu beklenmeyen sonu\u00e7lar \u00fcretebilir.  Bu durumda, <code class=\"language-\">COALESCE<\/code> fonksiyonu kullanarak <code class=\"language-\">NULL<\/code> de\u011ferlerini i\u015flemeniz gerekebilir:<\/p>\n<pre class=\"language-sql\"><code>SELECT m.musteri_id, m.musteri_adi\nFROM musteriler m\nLEFT JOIN siparisler s ON COALESCE(m.musteri_id, 0) = COALESCE(s.musteri_id, 0) -- NULL de\u011ferlerini 0 ile de\u011fi\u015ftiriyoruz\nWHERE s.siparis_id IS NULL;<\/code><\/pre>\n<p>Bu, <code class=\"language-\">NULL<\/code> olan <code class=\"language-\">musteri_id<\/code> de\u011ferlerinin de do\u011fru \u015fekilde i\u015flenmesini sa\u011flar.  Ancak, bu yakla\u015f\u0131m\u0131n verilerin do\u011fas\u0131na ve i\u015f gereksinimlerine uygunlu\u011funu dikkatlice de\u011ferlendirmek \u00f6nemlidir.  <code class=\"language-\">0<\/code> yerine ba\u015fka bir uygun de\u011fer de se\u00e7ilebilir.<\/p>\n<p><strong>Sonu\u00e7<\/strong><\/p>\n<p>PostgreSQL&#8217;de anti-join, iki tablo aras\u0131nda ortak noktas\u0131 olmayan kay\u0131tlar\u0131 bulmak i\u00e7in g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r.  <code class=\"language-\">LEFT JOIN<\/code> ile <code class=\"language-\">IS NULL<\/code> veya <code class=\"language-\">EXCEPT<\/code> operat\u00f6rlerini kullanarak ger\u00e7ekle\u015ftirilebilir.  Performans optimizasyonu i\u00e7in indeksleme, <code class=\"language-\">WHERE<\/code> ko\u015fullar\u0131 ve <code class=\"language-\">EXPLAIN ANALYZE<\/code> kullan\u0131m\u0131 \u00f6nemlidir. B\u00fcy\u00fck veri k\u00fcmeleri i\u00e7in ise par\u00e7alama gibi ileri teknikler g\u00f6z \u00f6n\u00fcnde bulundurulmal\u0131d\u0131r.  <code class=\"language-\">NULL<\/code> de\u011ferlerinin do\u011fru i\u015flenmesi de \u00f6nemli bir husustur.  Uygun y\u00f6ntemin se\u00e7imi, verilerin do\u011fas\u0131na ve i\u015f gereksinimlerine ba\u011fl\u0131d\u0131r. Daha fazla PostgreSQL optimizasyon ipucu i\u00e7in [fatihsoysal.com](https:\/\/fatihsoysal.com) adresini ziyaret edebilirsiniz.<\/p>\n<p><strong>S\u0131k\u00e7a Sorulan Sorular:<\/strong><\/p>\n<p>1. <strong>Anti-join ile LEFT JOIN aras\u0131ndaki fark nedir?<\/strong>  Anti-join, LEFT JOIN&#8217;in \u00f6zel bir durumudur.  LEFT JOIN, sol tablodaki t\u00fcm sat\u0131rlar\u0131 ve e\u015fle\u015fen sa\u011f tablodaki sat\u0131rlar\u0131 d\u00f6nd\u00fcr\u00fcr.  Anti-join ise, sol tabloda e\u015fle\u015fen sat\u0131r\u0131 olmayan sat\u0131rlar\u0131 d\u00f6nd\u00fcr\u00fcr.<\/p>\n<p>2. <strong>EXCEPT ve MINUS operat\u00f6rleri aras\u0131nda fark var m\u0131?<\/strong>  PostgreSQL&#8217;de <code class=\"language-\">EXCEPT<\/code> ve <code class=\"language-\">MINUS<\/code> ayn\u0131 i\u015flevi g\u00f6r\u00fcr.  Baz\u0131 di\u011fer SQL dilleri aras\u0131nda fark olabilir.<\/p>\n<p>3. <strong>Anti-join&#8217;i hangi durumlarda kullanmal\u0131y\u0131m?<\/strong> Bir tabloda bulunan ancak di\u011ferinde bulunmayan kay\u0131tlar\u0131 bulman\u0131z gerekti\u011finde anti-join kullanmal\u0131s\u0131n\u0131z.<\/p>\n<p>4. <strong>Anti-join sorgular\u0131n\u0131n performans\u0131n\u0131 nas\u0131l iyile\u015ftirebilirim?<\/strong>  \u0130ndeksleme, <code class=\"language-\">WHERE<\/code> ko\u015fullar\u0131 ve <code class=\"language-\">EXPLAIN ANALYZE<\/code> kullan\u0131m\u0131 performans\u0131 iyile\u015ftirmeye yard\u0131mc\u0131 olur.  B\u00fcy\u00fck veri k\u00fcmeleri i\u00e7in par\u00e7alama da d\u00fc\u015f\u00fcn\u00fclebilir.<\/p>\n<p>5. <strong>NULL de\u011ferleri anti-join&#8217;i nas\u0131l etkiler?<\/strong>  <code class=\"language-\">NULL<\/code> de\u011ferleri, <code class=\"language-\">LEFT JOIN<\/code> ile <code class=\"language-\">IS NULL<\/code> kullan\u0131m\u0131 sonucunda beklenmedik sonu\u00e7lar \u00fcretebilir.  Bu durumda, <code class=\"language-\">COALESCE<\/code> gibi fonksiyonlar kullan\u0131larak <code class=\"language-\">NULL<\/code> de\u011ferleri i\u015flenmelidir.<\/p>\n<p>Yazar: Fatih Soysal<\/p>\n","protected":false},"excerpt":{"rendered":"# PostgreSQL&#8217;de Anti-Join Nas\u0131l Yap\u0131l\u0131r? PostgreSQL veritaban\u0131n\u0131zda, iki tablo aras\u0131ndaki ili\u015fkileri sorgulamak i\u00e7in s\u0131kl\u0131kla JOIN i\u015flemlerini kullan\u0131rs\u0131n\u0131z. Ancak&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[644],"tags":[],"class_list":{"0":"post-25545","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-postgresql","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PostgreSQL&#039;de Anti-Join Nas\u0131l Yap\u0131l\u0131r<\/title>\n<meta name=\"description\" content=\"Hi\u00e7bir etiketi bulunamad\u0131.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PostgreSQL&#039;de Anti-Join Nas\u0131l Yap\u0131l\u0131r\" \/>\n<meta property=\"og:description\" content=\"Hi\u00e7bir etiketi bulunamad\u0131.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-08T03:15:28+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"PostgreSQL&#8217;de Anti-Join Nas\u0131l Yap\u0131l\u0131r\",\"datePublished\":\"2025-07-08T03:15:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/\"},\"wordCount\":1129,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"articleSection\":[\"PostgreSQL\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/\",\"name\":\"PostgreSQL'de Anti-Join Nas\u0131l Yap\u0131l\u0131r\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-07-08T03:15:28+00:00\",\"description\":\"Hi\u00e7bir etiketi bulunamad\u0131.\",\"breadcrumb\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/postgresqlde-anti-join-nasil-yapilir\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Anasayfa\",\"item\":\"https:\/\/fatihsoysal.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PostgreSQL&#8217;de Anti-Join Nas\u0131l Yap\u0131l\u0131r\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/\",\"name\":\"Fatihsoysal.com\",\"description\":\"Blog - 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