Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak<\/title><br \/>\n<\/head><br \/>\n<body><\/p>\n<p>Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak<\/p>\n<p>Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. Her veritaban\u0131 kendi s\u00f6zdizimi ve \u00f6zelliklerine sahiptir. Bu nedenle, bir veritaban\u0131ndan di\u011ferine ge\u00e7i\u015f yaparken, sorgular\u0131n uyumlulu\u011funu sa\u011flamak i\u00e7in dikkatli olmak gerekir. Bu makalede, farkl\u0131 veritaban\u0131 t\u00fcrlerinde SQL sorgular\u0131n\u0131 nas\u0131l \u00e7al\u0131\u015ft\u0131raca\u011f\u0131n\u0131z\u0131 ve olas\u0131 sorunlardan nas\u0131l ka\u00e7\u0131naca\u011f\u0131n\u0131z\u0131 ad\u0131m ad\u0131m a\u00e7\u0131klayaca\u011f\u0131m.<\/p>\n<h2>Veritaban\u0131 Ba\u011flant\u0131s\u0131<\/h2>\n<p>\u0130lk ad\u0131m, hedef veritaban\u0131na ba\u011flant\u0131 kurmakt\u0131r. Bu, kullan\u0131lan veritaban\u0131 sistemine \u00f6zg\u00fc bir s\u00fcr\u00fcc\u00fc (driver) gerektirir. \u00d6rne\u011fin, Python’da `psycopg2` (PostgreSQL i\u00e7in), `mysql.connector` (MySQL i\u00e7in) veya `pyodbc` (bir\u00e7ok veritaban\u0131 i\u00e7in) gibi k\u00fct\u00fcphaneler kullan\u0131labilir. Bu k\u00fct\u00fcphaneler, veritaban\u0131na ba\u011flanmak, sorgular g\u00f6ndermek ve sonu\u00e7lar\u0131 almak i\u00e7in fonksiyonlar sa\u011flar. Ba\u011flant\u0131 bilgilerine (sunucu adresi, veritaban\u0131 ad\u0131, kullan\u0131c\u0131 ad\u0131 ve \u015fifre) ihtiyac\u0131n\u0131z olacakt\u0131r.<\/p>\n<p><strong>\u00d6rnek (Python ile MySQL):<\/strong><\/p>\n<pre><code>\nimport mysql.connector\n\nmydb = mysql.connector.connect(\n host=\"localhost\",\n user=\"myusername\",\n password=\"mypassword\",\n database=\"mydatabase\"\n)\n\ncursor = mydb.cursor()\n<\/code><\/pre>\n<h2>SQL Sorgular\u0131n\u0131n Uyumlula\u015ft\u0131r\u0131lmas\u0131<\/h2>\n<p>Ba\u015fka bir \u00f6nemli husus, SQL sorgular\u0131n\u0131n farkl\u0131 veritaban\u0131 sistemleri ile uyumlu hale getirilmesidir. Baz\u0131 SQL fonksiyonlar\u0131 veya s\u00f6zdizimi elemanlar\u0131, bir veritaban\u0131nda desteklenirken, di\u011ferinde desteklenmeyebilir. Bu nedenle, her veritaban\u0131 i\u00e7in uyumlu sorgular yazmak \u00f6nemlidir. \u00d6rne\u011fin, tarih ve zaman i\u015flemleri i\u00e7in kullan\u0131lan fonksiyonlar veritaban\u0131 aras\u0131nda farkl\u0131l\u0131k g\u00f6sterebilir.<\/p>\n<p><strong>\u00d6rnek:<\/strong> `DATE_FORMAT` fonksiyonu MySQL’de kullan\u0131l\u0131rken, PostgreSQL’de `to_char` fonksiyonu kullan\u0131l\u0131r. Bu t\u00fcr farkl\u0131l\u0131klar\u0131 dikkate alarak sorgular\u0131n\u0131z\u0131 yazmal\u0131s\u0131n\u0131z. Ayr\u0131ca, veritaban\u0131 spesifik \u00f6zelliklerinden ka\u00e7\u0131narak, standart SQL’e yak\u0131n kalmaya \u00e7al\u0131\u015fmal\u0131s\u0131n\u0131z.<\/p>\n<h2>Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rma ve Sonu\u00e7lar\u0131 \u0130\u015fleme<\/h2>\n<p>Veritaban\u0131na ba\u011flant\u0131 kurulduktan ve SQL sorgusu haz\u0131rland\u0131ktan sonra, sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak ve sonu\u00e7lar\u0131 i\u015flemek gerekir. Bu, kullan\u0131lan programlama diline ve veritaban\u0131 s\u00fcr\u00fcc\u00fcs\u00fcne ba\u011fl\u0131d\u0131r. Genellikle, sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak i\u00e7in bir `execute()` fonksiyonu kullan\u0131l\u0131r. Sonu\u00e7lar ise, bir cursor nesnesi \u00fczerinden eri\u015filir.<\/p>\n<p>Sonu\u00e7lar\u0131 i\u015flemek i\u00e7in, d\u00f6ng\u00fcler ve di\u011fer programlama teknikleri kullan\u0131labilir. Elde edilen verileri daha sonra i\u015flemeniz, ekrana yazd\u0131rman\u0131z veya ba\u015fka bir veri taban\u0131na aktarman\u0131z m\u00fcmk\u00fcn.<\/p>\n<h2>Hata Y\u00f6netimi<\/h2>\n<p>Veritaban\u0131 i\u015flemleri s\u0131ras\u0131nda hatalar olu\u015fabilir. Bu nedenle, hata y\u00f6netimi olduk\u00e7a \u00f6nemlidir. Uygulaman\u0131zda, `try…except` bloklar\u0131 kullanarak olas\u0131 hatalar\u0131 yakalayabilir ve uygun bir \u015fekilde y\u00f6netebilirsiniz. Bu, uygulaman\u0131z\u0131n \u00e7\u00f6kmesini \u00f6nlemeye yard\u0131mc\u0131 olur.<\/p>\n<h2>\u00d6zet<\/h2>\n<p>Farkl\u0131 veritabanlar\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, uygun veritaban\u0131 s\u00fcr\u00fcc\u00fclerinin kullan\u0131lmas\u0131, sorgular\u0131n uyumlu hale getirilmesi, sorgular\u0131n \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131 ve sonu\u00e7lar\u0131n i\u015flenmesi ve hata y\u00f6netimi gerektirir. Bu ad\u0131mlar izlenerek, farkl\u0131 veritabanlar\u0131 aras\u0131nda verileri verimli bir \u015fekilde y\u00f6netebilirsiniz. Daha fazla bilgi i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a> adresini ziyaret edebilirsiniz.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/via.placeholder.com\/500x300\" alt=\"Veritaban\u0131 \u015eemas\u0131\"><\/p>\n<p><strong>Faydal\u0131 Kaynaklar:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/dev.to\/esproc_spl\/how-to-execute-a-sql-statement-on-a-different-type-of-database-eg74-5ge4\">Dev.to Makalesi (\u0130ngilizce)<\/a><\/li>\n<li><a href=\"https:\/\/www.mysql.com\/\">MySQL Belgeleri<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/\">PostgreSQL Belgeleri<\/a><\/li>\n<\/ul>\n<p>#Etiketler: SQL, Veritaban\u0131, MySQL, PostgreSQL, SQL Server, Oracle, Veritaban\u0131 Ba\u011flant\u0131s\u0131, SQL Sorgular\u0131, Programlama, Python, Hata Y\u00f6netimi, Veri Y\u00f6netimi<\/p>\n<p><\/body><br \/>\n<\/html><br \/>\n“`<\/p>\n","protected":false},"excerpt":{"rendered":"“`html Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL…","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":[1],"tags":[],"class_list":{"0":"post-4202","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\n<title>Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak<\/title>\n<meta name=\"description\" content=\"Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. Her veritaban\u0131 kendi s\u00f6zdizimi ve \u00f6zelliklerine sahiptir. Bu nedenle, bir veritaban\u0131ndan di\u011ferine ge\u00e7i\u015f yaparken, sorgular\u0131n uyumlulu\u011funu sa\u011flamak i\u00e7in dikkatli olmak gerekir. Bu makalede, farkl\u0131 veritaban\u0131 t\u00fcrlerinde SQL sorgular\u0131n\u0131 nas\u0131l \u00e7al\u0131\u015ft\u0131raca\u011f\u0131n\u0131z\u0131 ve olas\u0131 sorunlardan nas\u0131l ka\u00e7\u0131naca\u011f\u0131n\u0131z\u0131 ad\u0131m ad\u0131m a\u00e7\u0131klayaca\u011f\u0131m.\" \/>\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\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak\" \/>\n<meta property=\"og:description\" content=\"Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. Her veritaban\u0131 kendi s\u00f6zdizimi ve \u00f6zelliklerine sahiptir. Bu nedenle, bir veritaban\u0131ndan di\u011ferine ge\u00e7i\u015f yaparken, sorgular\u0131n uyumlulu\u011funu sa\u011flamak i\u00e7in dikkatli olmak gerekir. Bu makalede, farkl\u0131 veritaban\u0131 t\u00fcrlerinde SQL sorgular\u0131n\u0131 nas\u0131l \u00e7al\u0131\u015ft\u0131raca\u011f\u0131n\u0131z\u0131 ve olas\u0131 sorunlardan nas\u0131l ka\u00e7\u0131naca\u011f\u0131n\u0131z\u0131 ad\u0131m ad\u0131m a\u00e7\u0131klayaca\u011f\u0131m.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-18T07:00:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/via.placeholder.com\/500x300\" \/>\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=\"3 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak\",\"datePublished\":\"2024-11-18T07:00:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/\"},\"wordCount\":571,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"image\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/via.placeholder.com\/500x300\",\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#respond\"]}],\"copyrightYear\":\"2024\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/\",\"name\":\"Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/via.placeholder.com\/500x300\",\"datePublished\":\"2024-11-18T07:00:15+00:00\",\"description\":\"Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. 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Her veritaban\u0131 kendi s\u00f6zdizimi ve \u00f6zelliklerine sahiptir. Bu nedenle, bir veritaban\u0131ndan di\u011ferine ge\u00e7i\u015f yaparken, sorgular\u0131n uyumlulu\u011funu sa\u011flamak i\u00e7in dikkatli olmak gerekir. Bu makalede, farkl\u0131 veritaban\u0131 t\u00fcrlerinde SQL sorgular\u0131n\u0131 nas\u0131l \u00e7al\u0131\u015ft\u0131raca\u011f\u0131n\u0131z\u0131 ve olas\u0131 sorunlardan nas\u0131l ka\u00e7\u0131naca\u011f\u0131n\u0131z\u0131 ad\u0131m ad\u0131m a\u00e7\u0131klayaca\u011f\u0131m.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/","og_locale":"tr_TR","og_type":"article","og_title":"Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak","og_description":"Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. Her veritaban\u0131 kendi s\u00f6zdizimi ve \u00f6zelliklerine sahiptir. Bu nedenle, bir veritaban\u0131ndan di\u011ferine ge\u00e7i\u015f yaparken, sorgular\u0131n uyumlulu\u011funu sa\u011flamak i\u00e7in dikkatli olmak gerekir. 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Bu makalede, farkl\u0131 veritaban\u0131 t\u00fcrlerinde SQL sorgular\u0131n\u0131 nas\u0131l \u00e7al\u0131\u015ft\u0131raca\u011f\u0131n\u0131z\u0131 ve olas\u0131 sorunlardan nas\u0131l ka\u00e7\u0131naca\u011f\u0131n\u0131z\u0131 ad\u0131m ad\u0131m a\u00e7\u0131klayaca\u011f\u0131m.","breadcrumb":{"@id":"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#breadcrumb"},"inLanguage":"tr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/"]}]},{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#primaryimage","url":"https:\/\/via.placeholder.com\/500x300","contentUrl":"https:\/\/via.placeholder.com\/500x300"},{"@type":"BreadcrumbList","@id":"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Anasayfa","item":"https:\/\/fatihsoysal.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak"}]},{"@type":"WebSite","@id":"https:\/\/fatihsoysal.com\/blog\/#website","url":"https:\/\/fatihsoysal.com\/blog\/","name":"Fatihsoysal.com","description":"Blog - Yaz\u0131l\u0131m D\u00fcnyas\u0131 Tecr\u00fcbelerim","publisher":{"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/fatihsoysal.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"tr"},{"@type":["Person","Organization"],"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1","name":"Fatih Soysal","image":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png","contentUrl":"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png","width":512,"height":512,"caption":"Fatih Soysal"},"logo":{"@id":"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/"},"description":"Kullan\u0131m ve kodlama m\u00fckemmeliyetini odak alan uygulamalar olu\u015fturma deneyimine sahip, profesyonel olarak 15+ y\u0131l \u00fczeri deneyime sahip bir yaz\u0131l\u0131m m\u00fchendisi.","url":"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/"}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/posts\/4202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/comments?post=4202"}],"version-history":[{"count":0,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/posts\/4202\/revisions"}],"wp:attachment":[{"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/media?parent=4202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/categories?post=4202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fatihsoysal.com\/blog\/wp-json\/wp\/v2\/tags?post=4202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":4202,"date":"2024-11-18T10:00:15","date_gmt":"2024-11-18T07:00:15","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/"},"modified":"2024-11-18T10:00:15","modified_gmt":"2024-11-18T07:00:15","slug":"farkli-veritabanlarinda-sql-sorgulari-calistirmak","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/","title":{"rendered":"Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak"},"content":{"rendered":"

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\n Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak<\/title><br \/>\n<\/head><br \/>\n<body><\/p>\n<p>Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak<\/p>\n<p>Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. Her veritaban\u0131 kendi s\u00f6zdizimi ve \u00f6zelliklerine sahiptir. Bu nedenle, bir veritaban\u0131ndan di\u011ferine ge\u00e7i\u015f yaparken, sorgular\u0131n uyumlulu\u011funu sa\u011flamak i\u00e7in dikkatli olmak gerekir. Bu makalede, farkl\u0131 veritaban\u0131 t\u00fcrlerinde SQL sorgular\u0131n\u0131 nas\u0131l \u00e7al\u0131\u015ft\u0131raca\u011f\u0131n\u0131z\u0131 ve olas\u0131 sorunlardan nas\u0131l ka\u00e7\u0131naca\u011f\u0131n\u0131z\u0131 ad\u0131m ad\u0131m a\u00e7\u0131klayaca\u011f\u0131m.<\/p>\n<h2>Veritaban\u0131 Ba\u011flant\u0131s\u0131<\/h2>\n<p>\u0130lk ad\u0131m, hedef veritaban\u0131na ba\u011flant\u0131 kurmakt\u0131r. Bu, kullan\u0131lan veritaban\u0131 sistemine \u00f6zg\u00fc bir s\u00fcr\u00fcc\u00fc (driver) gerektirir. \u00d6rne\u011fin, Python’da `psycopg2` (PostgreSQL i\u00e7in), `mysql.connector` (MySQL i\u00e7in) veya `pyodbc` (bir\u00e7ok veritaban\u0131 i\u00e7in) gibi k\u00fct\u00fcphaneler kullan\u0131labilir. Bu k\u00fct\u00fcphaneler, veritaban\u0131na ba\u011flanmak, sorgular g\u00f6ndermek ve sonu\u00e7lar\u0131 almak i\u00e7in fonksiyonlar sa\u011flar. Ba\u011flant\u0131 bilgilerine (sunucu adresi, veritaban\u0131 ad\u0131, kullan\u0131c\u0131 ad\u0131 ve \u015fifre) ihtiyac\u0131n\u0131z olacakt\u0131r.<\/p>\n<p><strong>\u00d6rnek (Python ile MySQL):<\/strong><\/p>\n<pre><code>\nimport mysql.connector\n\nmydb = mysql.connector.connect(\n host=\"localhost\",\n user=\"myusername\",\n password=\"mypassword\",\n database=\"mydatabase\"\n)\n\ncursor = mydb.cursor()\n<\/code><\/pre>\n<h2>SQL Sorgular\u0131n\u0131n Uyumlula\u015ft\u0131r\u0131lmas\u0131<\/h2>\n<p>Ba\u015fka bir \u00f6nemli husus, SQL sorgular\u0131n\u0131n farkl\u0131 veritaban\u0131 sistemleri ile uyumlu hale getirilmesidir. Baz\u0131 SQL fonksiyonlar\u0131 veya s\u00f6zdizimi elemanlar\u0131, bir veritaban\u0131nda desteklenirken, di\u011ferinde desteklenmeyebilir. Bu nedenle, her veritaban\u0131 i\u00e7in uyumlu sorgular yazmak \u00f6nemlidir. \u00d6rne\u011fin, tarih ve zaman i\u015flemleri i\u00e7in kullan\u0131lan fonksiyonlar veritaban\u0131 aras\u0131nda farkl\u0131l\u0131k g\u00f6sterebilir.<\/p>\n<p><strong>\u00d6rnek:<\/strong> `DATE_FORMAT` fonksiyonu MySQL’de kullan\u0131l\u0131rken, PostgreSQL’de `to_char` fonksiyonu kullan\u0131l\u0131r. Bu t\u00fcr farkl\u0131l\u0131klar\u0131 dikkate alarak sorgular\u0131n\u0131z\u0131 yazmal\u0131s\u0131n\u0131z. Ayr\u0131ca, veritaban\u0131 spesifik \u00f6zelliklerinden ka\u00e7\u0131narak, standart SQL’e yak\u0131n kalmaya \u00e7al\u0131\u015fmal\u0131s\u0131n\u0131z.<\/p>\n<h2>Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rma ve Sonu\u00e7lar\u0131 \u0130\u015fleme<\/h2>\n<p>Veritaban\u0131na ba\u011flant\u0131 kurulduktan ve SQL sorgusu haz\u0131rland\u0131ktan sonra, sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak ve sonu\u00e7lar\u0131 i\u015flemek gerekir. Bu, kullan\u0131lan programlama diline ve veritaban\u0131 s\u00fcr\u00fcc\u00fcs\u00fcne ba\u011fl\u0131d\u0131r. Genellikle, sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak i\u00e7in bir `execute()` fonksiyonu kullan\u0131l\u0131r. Sonu\u00e7lar ise, bir cursor nesnesi \u00fczerinden eri\u015filir.<\/p>\n<p>Sonu\u00e7lar\u0131 i\u015flemek i\u00e7in, d\u00f6ng\u00fcler ve di\u011fer programlama teknikleri kullan\u0131labilir. Elde edilen verileri daha sonra i\u015flemeniz, ekrana yazd\u0131rman\u0131z veya ba\u015fka bir veri taban\u0131na aktarman\u0131z m\u00fcmk\u00fcn.<\/p>\n<h2>Hata Y\u00f6netimi<\/h2>\n<p>Veritaban\u0131 i\u015flemleri s\u0131ras\u0131nda hatalar olu\u015fabilir. Bu nedenle, hata y\u00f6netimi olduk\u00e7a \u00f6nemlidir. Uygulaman\u0131zda, `try…except` bloklar\u0131 kullanarak olas\u0131 hatalar\u0131 yakalayabilir ve uygun bir \u015fekilde y\u00f6netebilirsiniz. Bu, uygulaman\u0131z\u0131n \u00e7\u00f6kmesini \u00f6nlemeye yard\u0131mc\u0131 olur.<\/p>\n<h2>\u00d6zet<\/h2>\n<p>Farkl\u0131 veritabanlar\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, uygun veritaban\u0131 s\u00fcr\u00fcc\u00fclerinin kullan\u0131lmas\u0131, sorgular\u0131n uyumlu hale getirilmesi, sorgular\u0131n \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131 ve sonu\u00e7lar\u0131n i\u015flenmesi ve hata y\u00f6netimi gerektirir. Bu ad\u0131mlar izlenerek, farkl\u0131 veritabanlar\u0131 aras\u0131nda verileri verimli bir \u015fekilde y\u00f6netebilirsiniz. Daha fazla bilgi i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a> adresini ziyaret edebilirsiniz.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/via.placeholder.com\/500x300\" alt=\"Veritaban\u0131 \u015eemas\u0131\"><\/p>\n<p><strong>Faydal\u0131 Kaynaklar:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/dev.to\/esproc_spl\/how-to-execute-a-sql-statement-on-a-different-type-of-database-eg74-5ge4\">Dev.to Makalesi (\u0130ngilizce)<\/a><\/li>\n<li><a href=\"https:\/\/www.mysql.com\/\">MySQL Belgeleri<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/\">PostgreSQL Belgeleri<\/a><\/li>\n<\/ul>\n<p>#Etiketler: SQL, Veritaban\u0131, MySQL, PostgreSQL, SQL Server, Oracle, Veritaban\u0131 Ba\u011flant\u0131s\u0131, SQL Sorgular\u0131, Programlama, Python, Hata Y\u00f6netimi, Veri Y\u00f6netimi<\/p>\n<p><\/body><br \/>\n<\/html><br \/>\n“`<\/p>\n","protected":false},"excerpt":{"rendered":"“`html Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL…","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":[1],"tags":[],"class_list":{"0":"post-4202","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\n<title>Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak<\/title>\n<meta name=\"description\" content=\"Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. 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Bu makalede, farkl\u0131 veritaban\u0131 t\u00fcrlerinde SQL sorgular\u0131n\u0131 nas\u0131l \u00e7al\u0131\u015ft\u0131raca\u011f\u0131n\u0131z\u0131 ve olas\u0131 sorunlardan nas\u0131l ka\u00e7\u0131naca\u011f\u0131n\u0131z\u0131 ad\u0131m ad\u0131m a\u00e7\u0131klayaca\u011f\u0131m.\" \/>\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\/farkli-veritabanlarinda-sql-sorgulari-calistirmak\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Farkl\u0131 Veritabanlar\u0131nda SQL Sorgular\u0131 \u00c7al\u0131\u015ft\u0131rmak\" \/>\n<meta property=\"og:description\" content=\"Farkl\u0131 veritaban\u0131 sistemleri (\u00f6rne\u011fin, MySQL, PostgreSQL, SQL Server, Oracle vb.) aras\u0131nda SQL sorgular\u0131 \u00e7al\u0131\u015ft\u0131rmak, verilerin y\u00f6netimi ve entegrasyonu i\u00e7in olduk\u00e7a \u00f6nemlidir. 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