{"id":31189,"date":"2026-10-21T13:43:48","date_gmt":"2026-10-21T13:43:48","guid":{"rendered":"https:\/\/umang.pk\/2026\/10\/21\/postgresql-%d9%85%db%8c%da%ba-%d8%a7%db%8c%da%a9-%db%81%d8%a7%d8%a6%d8%a8%d8%b1%da%88-%d8%b3%d8%b1%da%86-%d8%a7%d9%86%d8%ac%d9%86-%d8%a8%d9%86%d8%a7%d9%86%d8%a7-bm25-%d9%88%db%8c%da%a9%d9%b9%d8%b1\/"},"modified":"2026-10-21T13:43:48","modified_gmt":"2026-10-21T13:43:48","slug":"postgresql-%d9%85%db%8c%da%ba-%d8%a7%db%8c%da%a9-%db%81%d8%a7%d8%a6%d8%a8%d8%b1%da%88-%d8%b3%d8%b1%da%86-%d8%a7%d9%86%d8%ac%d9%86-%d8%a8%d9%86%d8%a7%d9%86%d8%a7-bm25-%d9%88%db%8c%da%a9%d9%b9%d8%b1","status":"publish","type":"post","link":"https:\/\/umang.pk\/en_us\/2026\/10\/21\/postgresql-%d9%85%db%8c%da%ba-%d8%a7%db%8c%da%a9-%db%81%d8%a7%d8%a6%d8%a8%d8%b1%da%88-%d8%b3%d8%b1%da%86-%d8%a7%d9%86%d8%ac%d9%86-%d8%a8%d9%86%d8%a7%d9%86%d8%a7-bm25-%d9%88%db%8c%da%a9%d9%b9%d8%b1\/","title":{"rendered":"PostgreSQL \u0645\u06cc\u06ba \u0627\u06cc\u06a9 \u06c1\u0627\u0626\u0628\u0631\u0688 \u0633\u0631\u0686 \u0627\u0646\u062c\u0646 \u0628\u0646\u0627\u0646\u0627: BM25 + \u0648\u06cc\u06a9\u0679\u0631 \u0633\u0631\u0686"},"content":{"rendered":"<div id=\"\">\n<p>\u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631 \u0627\u06cc\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u0633\u0631\u0686 \u0633\u06cc\u0679 \u0627\u067e \u06a9\u06d2 \u0644\u06cc\u06d2 \u0633\u0645\u062c\u06be\u0648\u062a\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u0648\u062a\u06cc \u06c1\u06d2\u060c \u062c\u06cc\u0633\u06d2 \u06a9\u06c1 \u0633\u0627\u062f\u06c1 \u0679\u06cc\u06a9\u0633\u0679 \u0641\u0644\u0679\u0631\u0632 \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u0646\u0627 \u06cc\u0627 \u0627\u0644\u06af \u0633\u0631\u0686 \u06a9\u0644\u0633\u0679\u0631 \u06a9\u0627 \u0627\u0646\u062a\u0638\u0627\u0645 \u06a9\u0631\u0646\u0627\u060c \u062c\u06cc\u0633\u06d2 Elasticsearch\u060c \u0627\u06cc\u06a9 \u067e\u06cc\u0686\u06cc\u062f\u06c1 \u0645\u0637\u0627\u0628\u0642\u062a \u067e\u0630\u06cc\u0631 \u067e\u0627\u0626\u067e \u0644\u0627\u0626\u0646 \u06a9\u06d2 \u0633\u0627\u062a\u06be\u06d4<\/p>\n<p>freeCodeCamp.org YouTube \u0686\u06cc\u0646\u0644 \u067e\u0631 \u0627\u06cc\u06a9 \u0646\u06cc\u0627 \u0648\u06cc\u0688\u06cc\u0648 \u06a9\u0648\u0631\u0633 \u062f\u06a9\u06be\u0627\u062a\u0627 \u06c1\u06d2 \u06a9\u06c1 PostgreSQL \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u0645\u06a9\u0645\u0644 \u067e\u0631\u0648\u0688\u06a9\u0634\u0646 \u06af\u0631\u06cc\u0688 \u0633\u0631\u0686 \u067e\u0627\u0626\u067e \u0644\u0627\u0626\u0646 \u06a9\u06cc\u0633\u06d2 \u0686\u0644\u0627\u0626\u06cc \u062c\u0627\u0626\u06d2\u06d4 \u0627\u06cc\u06a9 \u0648\u0627\u062d\u062f \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u0645\u06cc\u06ba \u0644\u063a\u0648\u06cc \u0645\u0637\u0644\u0648\u0628\u06c1 \u0627\u0644\u0641\u0627\u0638 \u06a9\u06cc \u0645\u0645\u0627\u062b\u0644\u062a \u0627\u0648\u0631 \u06af\u06be\u0646\u06d2 \u0648\u06cc\u06a9\u0679\u0631 \u0627\u06cc\u0645\u0628\u06cc\u0688\u0646\u06af \u06a9\u0648 \u06cc\u06a9\u062c\u0627 \u06a9\u0631\u0646\u0627 \u0622\u067e \u06a9\u0648 \u062a\u0644\u0627\u0634 \u06a9\u06d2 \u0627\u0634\u0627\u0631\u06cc\u06c1 \u06a9\u06d2 \u0644\u06cc\u06d2 ACID \u06a9\u06cc \u0636\u0645\u0627\u0646\u062a\u0648\u06ba \u06a9\u0648 \u0628\u0631\u0642\u0631\u0627\u0631 \u0631\u06a9\u06be\u062a\u06d2 \u06c1\u0648\u0626\u06d2 \u0628\u06cc\u0631\u0648\u0646\u06cc \u0627\u0646\u062d\u0635\u0627\u0631 \u06a9\u0648 \u062f\u0648\u0631 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0627\u062c\u0627\u0632\u062a \u062f\u06cc\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<p>\u062a\u0644\u0627\u0634 \u06a9\u06d2 \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0639\u0627\u0645 \u0637\u0648\u0631 \u067e\u0631 \u062f\u0648 \u062a\u0644\u0627\u0634\u06cc \u06a9\u0627\u0631\u0631\u0648\u0627\u0626\u06cc\u0648\u06ba \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u0648\u062a\u06cc \u06c1\u06d2: \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u062d\u0633\u0628 \u0630\u06cc\u0644 \u06c1\u06d2\u06d4 <code>\"Apollo 13\"<\/code> \u0622\u067e \u06a9\u0648 \u0645\u0637\u0644\u0648\u0628\u06c1 \u0627\u0644\u0641\u0627\u0638 \u06a9\u06d2 \u0639\u06cc\u0646 \u0645\u0637\u0627\u0628\u0642 \u0645\u0645\u0627\u062b\u0644\u062a \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u06d2\u060c \u062c\u0648 \u06a9\u0644\u06cc\u062f\u06cc \u0627\u0644\u0641\u0627\u0638 \u06a9\u06d2 \u0627\u0646\u062c\u0646 \u0628\u06c1\u062a\u0631\u06cc\u0646 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u0633\u0646\u0628\u06be\u0627\u0644\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4 \u0627\u06cc\u06a9 \u062a\u0635\u0648\u0631\u0627\u062a\u06cc \u0633\u0648\u0627\u0644 \u062c\u06cc\u0633\u06d2 <code>\"animals that make their own light\"<\/code> \u06a9\u0633\u06cc \u062e\u06cc\u0627\u0644 \u06a9\u0627 \u0646\u0627\u0645 \u0644\u06cc\u06d2 \u0628\u063a\u06cc\u0631 \u0627\u0633 \u06a9\u06cc \u0648\u0636\u0627\u062d\u062a \u06a9\u0631\u06cc\u06ba\u06d4 <em>bioluminescence<\/em>\u06cc\u06c1 \u0648\u06c1 \u062c\u06af\u06c1 \u06c1\u06d2 \u062c\u06c1\u0627\u06ba \u0633\u06cc\u0645\u0646\u0679\u06a9 \u0648\u06cc\u06a9\u0679\u0631 \u06a9\u06cc \u062a\u0644\u0627\u0634 \u0628\u06c1\u062a\u0631\u06cc\u0646 \u06c1\u06d2\u06d4 \u06c1\u0627\u0626\u0628\u0631\u0688 \u0633\u0631\u0686 \u062f\u0648\u0646\u0648\u06ba \u062d\u06a9\u0645\u062a \u0639\u0645\u0644\u06cc\u0648\u06ba \u06a9\u0648 \u0627\u06cc\u06a9 \u0633\u0627\u062a\u06be \u0686\u0644\u0627\u062a\u06cc \u06c1\u06d2 \u0627\u0648\u0631 \u0646\u062a\u0627\u0626\u062c \u06a9\u0648 \u0627\u06cc\u06a9 \u062f\u0631\u062c\u06c1 \u0628\u0646\u062f\u06cc \u06a9\u06cc \u0641\u06c1\u0631\u0633\u062a \u0645\u06cc\u06ba \u0636\u0645 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 SQL \u06a9\u06d2 Reciprocal Rank Fusion (RRF) \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06cc \u06c1\u06d2\u06d4<\/p>\n<p>\u0627\u0633 \u06a9\u0648\u0631\u0633 \u0645\u06cc\u06ba\u060c \u0622\u067e 240,000 \u0633\u0627\u062f\u06c1 \u0627\u0646\u06af\u0631\u06cc\u0632\u06cc \u0648\u06cc\u06a9\u06cc\u067e\u06cc\u0688\u06cc\u0627 \u0645\u0636\u0627\u0645\u06cc\u0646 \u067e\u0631 \u0627\u06cc\u06a9 \u0645\u06a9\u0645\u0644\u060c \u0645\u06a9\u0645\u0644 \u0627\u0633\u0679\u06cc\u06a9 \u0633\u0631\u0686 \u0627\u06cc\u067e\u0644\u06cc \u06a9\u06cc\u0634\u0646 \u0628\u0646\u0627\u0626\u06cc\u06ba \u06af\u06d2\u06d4 \u0679\u06cc\u0648\u0679\u0648\u0631\u06cc\u0644 \u0645\u06cc\u06ba <code>pg_textsearch<\/code> \u06a9\u0627\u0631\u067e\u0633 \u06a9\u06cc \u0634\u0646\u0627\u062e\u062a BM25 \u062f\u0631\u062c\u06c1 \u0628\u0646\u062f\u06cc \u0645\u06cc\u06ba \u062a\u0648\u0633\u06cc\u0639\u060c 384 \u062c\u06c1\u062a\u06cc \u062c\u0645\u0644\u06d2 \u0633\u0631\u0627\u06cc\u062a \u06a9\u0631\u0646\u06d2 \u0648\u0627\u0644\u0627 \u0630\u062e\u06cc\u0631\u06c1 <code>pgvector<\/code> \u0627\u0648\u0631 <code>pgvectorscale<\/code>\u0633\u0648\u0627\u0644 \u06a9\u06cc \u0645\u0646\u0635\u0648\u0628\u06c1 \u0628\u0646\u062f\u06cc \u06a9\u06cc \u067e\u0631\u0648\u0641\u0627\u0626\u0644\u0646\u06af <code>EXPLAIN (ANALYZE, BUFFERS)<\/code>. \u0628\u06cc\u06a9 \u0627\u06cc\u0646\u0688 \u0645\u06cc\u0686 \u06c1\u0627\u0626\u06cc \u0644\u0627\u0626\u0679\u0646\u06af \u0627\u0648\u0631 \u0633\u0646\u06af\u0644 \u0679\u0631\u0627\u0646\u0632\u06cc\u06a9\u0634\u0646 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0644\u06a9\u06be\u0646\u06d2 \u06a9\u06cc \u0635\u0644\u0627\u062d\u06cc\u062a\u0648\u06ba \u06a9\u06d2 \u0633\u0627\u062a\u06be\u060c Python\u060c FastAPI\u060c \u0627\u0648\u0631 Psycopg \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2 \u06c1\u0631 \u0686\u06cc\u0632 \u06a9\u0648 \u0622\u067e\u0633 \u0645\u06cc\u06ba \u062c\u0648\u0691\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<p>FreeCodeCamp.org \u067e\u0631 PostgreSQL Hybrid Discovery \u06a9\u0648\u0631\u0633 \u062f\u06cc\u06a9\u06be\u06cc\u06ba (1 \u06af\u06be\u0646\u0679\u06d2 \u06a9\u06cc \u06af\u06be\u0691\u06cc)\u06d4<\/p>\n<p><div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"PostgreSQL Hybrid Search Course \u2013 Keyword (BM25) + Vector Retrieval\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/kT7nXO32L-Q?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>\u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631 \u0627\u06cc\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u0633\u0631\u0686 \u0633\u06cc\u0679 \u0627\u067e \u06a9\u06d2 \u0644\u06cc\u06d2 \u0633\u0645\u062c\u06be\u0648\u062a\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u0648\u062a\u06cc \u06c1\u06d2\u060c \u062c\u06cc\u0633\u06d2 \u06a9\u06c1 \u0633\u0627\u062f\u06c1 \u0679\u06cc\u06a9\u0633\u0679 \u0641\u0644\u0679\u0631\u0632 \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u0646\u0627 \u06cc\u0627 \u0627\u0644\u06af \u0633\u0631\u0686 \u06a9\u0644\u0633\u0679\u0631 \u06a9\u0627 \u0627\u0646\u062a\u0638\u0627\u0645 \u06a9\u0631\u0646\u0627\u060c \u062c\u06cc\u0633\u06d2 Elasticsearch\u060c \u0627\u06cc\u06a9 \u067e\u06cc\u0686\u06cc\u062f\u06c1 \u0645\u0637\u0627\u0628\u0642\u062a \u067e\u0630\u06cc\u0631 \u067e\u0627\u0626\u067e \u0644\u0627\u0626\u0646 \u06a9\u06d2 \u0633\u0627\u062a\u06be\u06d4 freeCodeCamp.org YouTube \u0686\u06cc\u0646\u0644 \u067e\u0631 \u0627\u06cc\u06a9 \u0646\u06cc\u0627 \u0648\u06cc\u0688\u06cc\u0648 \u06a9\u0648\u0631\u0633 \u062f\u06a9\u06be\u0627\u062a\u0627 \u06c1\u06d2 \u06a9\u06c1 PostgreSQL \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u0645\u06a9\u0645\u0644 \u067e\u0631\u0648\u0688\u06a9\u0634\u0646 \u06af\u0631\u06cc\u0688 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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