{"id":476734,"date":"2023-08-09T07:35:16","date_gmt":"2023-08-09T07:35:16","guid":{"rendered":""},"modified":"2023-09-05T11:13:20","modified_gmt":"2023-09-05T11:13:20","slug":"database-index","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/ir\/wiki\/database-index\/","title":{"rendered":"\u0646\u0645\u0627\u06cc\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647"},"content":{"rendered":"<p>\u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06cc\u06a9\u06cc \u0627\u0632 \u062c\u0646\u0628\u0647 \u0647\u0627\u06cc \u062d\u06cc\u0627\u062a\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 (DBMS) \u0627\u0633\u062a \u06a9\u0647 \u0633\u0631\u0639\u062a \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f. \u0627\u06cc\u0646\u062f\u06a9\u0633 \u0645\u0633\u06cc\u0631 \u062c\u0633\u062a\u062c\u0648\u06cc \u0633\u0631\u06cc\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0645\u062f\u062a \u0632\u0645\u0627\u0646 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 \u0631\u06a9\u0648\u0631\u062f\u0647\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<h2>\u067e\u06cc\u0634\u06cc\u0646\u0647 \u062a\u0627\u0631\u06cc\u062e\u06cc \u0641\u0647\u0631\u0633\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/h2>\n<p>\u0645\u0641\u0647\u0648\u0645 \u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u062a\u0648\u0633\u0639\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u067e\u062f\u06cc\u062f\u0627\u0631 \u0634\u062f. \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644 \u062f\u0647\u0647 1960\u060c \u0628\u0627 \u0638\u0647\u0648\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u062f\u06cc\u0633\u06a9\u060c \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0622\u0634\u06a9\u0627\u0631 \u0634\u062f. \u0627\u0648\u0644\u06cc\u0646 \u0627\u0634\u0627\u0631\u0647 \u0628\u0647 \u0645\u0641\u0647\u0648\u0645 &quot;\u0634\u0627\u062e\u0635&quot; \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0642\u062f\u06cc\u0645\u06cc \u062a\u0631\u06cc\u0646 \u0645\u062f\u0644 \u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0633\u0644\u0633\u0644\u0647 \u0645\u0631\u0627\u062a\u0628\u06cc \u0648 \u0634\u0628\u06a9\u0647 \u0627\u06cc \u0631\u062f\u06cc\u0627\u0628\u06cc \u06a9\u0631\u062f.<\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u062f\u0631 \u0686\u0627\u0631\u0686\u0648\u0628 \u0645\u062f\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0628\u0648\u062f \u06a9\u0647 \u062a\u0648\u0633\u0637 Edgar F. 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\u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f B-Tree (\u062f\u0631\u062e\u062a \u0645\u062a\u0639\u0627\u062f\u0644) \u0627\u0633\u062a\u060c \u0627\u06af\u0631\u0686\u0647 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u06cc \u0645\u0627\u0646\u0646\u062f Hash\u060c R-Tree\u060c Bitmap \u0648 \u063a\u06cc\u0631\u0647 \u0628\u0633\u062a\u0647 \u0628\u0647 DBMS \u0648 \u0645\u0627\u0647\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u0633\u062a.<\/p>\n<p>\u0634\u0627\u062e\u0635 B-Tree \u06cc\u06a9 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647 \u0645\u062a\u0639\u0627\u062f\u0644 \u0648 \u062e\u0648\u062f \u0645\u0631\u062a\u0628\u200c\u0633\u0627\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0645\u0631\u062a\u0628 \u0634\u062f\u0647 \u0631\u0627 \u062d\u0641\u0638 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\u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 DBMS \u0646\u06cc\u0627\u0632 \u0628\u0647 \u06cc\u0627\u0641\u062a\u0646 \u06cc\u06a9 \u0631\u06a9\u0648\u0631\u062f \u062e\u0627\u0635 \u062f\u0627\u0631\u062f\u060c \u0627\u0632 \u06af\u0631\u0647 \u0631\u06cc\u0634\u0647 B-Tree \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06af\u0631\u0647 \u0647\u0627\u06cc \u0641\u0631\u0632\u0646\u062f \u0628\u0647 \u067e\u0627\u06cc\u06cc\u0646 \u062d\u0631\u06a9\u062a \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0631\u06a9\u0648\u0631\u062f \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0628\u0633\u06cc\u0627\u0631 \u0633\u0631\u06cc\u0639\u062a\u0631 \u0627\u0632 \u0627\u0633\u06a9\u0646 \u0647\u0631 \u0631\u062f\u06cc\u0641 \u062f\u0631 \u062c\u062f\u0648\u0644 \u0627\u0633\u062a.<\/p>\n<h2>\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0641\u0647\u0631\u0633\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/h2>\n<p>\u0628\u0631\u062e\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0628\u0631\u062c\u0633\u062a\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<ol>\n<li><strong>\u0627\u0631\u062a\u0642\u0627\u06cc \u06a9\u0627\u0631\u0627\u06cc\u06cc:<\/strong> \u0627\u06cc\u0646\u062f\u06a9\u0633 \u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0633\u0631\u0639\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u0646\u062f.<\/li>\n<li><strong>\u0633\u0627\u062e\u062a\u0627\u0631:<\/strong> \u0622\u0646\u0647\u0627 \u0627\u063a\u0644\u0628 \u0627\u0632 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u062f\u0631\u062e\u062a (\u0645\u0627\u0646\u0646\u062f B-Tree \u06cc\u0627 B+Tree) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0627\u0645\u0627 \u0627\u0646\u0648\u0627\u0639 \u062f\u06cc\u06af\u0631\u06cc \u0645\u0627\u0646\u0646\u062f Hash\u060c Bitmap \u0648 \u063a\u06cc\u0631\u0647 \u0646\u06cc\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li><strong>\u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc:<\/strong> \u0622\u0646\u0647\u0627 \u0632\u06cc\u0631\u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648 \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0628\u0647 \u0645\u062d\u0644 \u0647\u0631 \u0642\u0637\u0639\u0647 \u062f\u0627\u062f\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/li>\n<li><strong>\u0645\u0639\u0627\u0648\u0636\u0647 \u0647\u0627:<\/strong> \u062f\u0631 \u062d\u06cc\u0646 \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0648\u0627\u0646\u062f\u0646\u060c \u0627\u06cc\u0646\u062f\u06a9\u0633 \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0648\u0634\u062a\u0646 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f \u0632\u06cc\u0631\u0627 \u0647\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u0631\u0648\u06cc \u062c\u062f\u0648\u0644 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0645\u062a\u0646\u0627\u0638\u0631 \u062f\u0631 \u0627\u06cc\u0646\u062f\u06a9\u0633 \u062f\u0627\u0631\u062f.<\/li>\n<li><strong>\u0627\u0646\u0648\u0627\u0639:<\/strong> \u0634\u0627\u062e\u0635 \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062e\u0648\u0634\u0647 \u0627\u06cc \u06cc\u0627 \u063a\u06cc\u0631 \u062e\u0648\u0634\u0647 \u0627\u06cc \u0628\u0627\u0634\u0646\u062f \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0645\u062a\u0645\u0627\u06cc\u0632 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u0646\u062f.<\/li>\n<\/ol>\n<h2>\u0627\u0646\u0648\u0627\u0639 \u0641\u0647\u0631\u0633\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/h2>\n<p>\u062f\u0631 \u062f\u0631\u062c\u0647 \u0627\u0648\u0644 \u062f\u0648 \u0646\u0648\u0639 \u0634\u0627\u062e\u0635 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u0646\u0648\u0639 \u0634\u0627\u062e\u0635<\/strong><\/th>\n<th><strong>\u0634\u0631\u062d<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0634\u0627\u062e\u0635 \u062e\u0648\u0634\u0647 \u0627\u06cc<\/td>\n<td>\u06cc\u06a9 \u0634\u0627\u062e\u0635 \u062e\u0648\u0634\u0647\u200c\u0627\u06cc\u060c \u062a\u0631\u062a\u06cc\u0628 \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631 \u062c\u062f\u0648\u0644 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0646\u0647\u0627 \u06cc\u06a9 \u0634\u0627\u062e\u0635 \u062e\u0648\u0634\u0647 \u0627\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u0627\u062e\u0635 \u063a\u06cc\u0631 \u062e\u0648\u0634\u0647 \u0627\u06cc<\/td>\n<td>\u06cc\u06a9 \u0634\u0627\u062e\u0635 \u063a\u06cc\u0631 \u062e\u0648\u0634\u0647 \u0627\u06cc \u062a\u0631\u062a\u06cc\u0628 \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u062c\u062f\u0648\u0644 \u062a\u0639\u06cc\u06cc\u0646 \u0646\u0645\u06cc \u06a9\u0646\u062f. \u062f\u0631 \u0639\u0648\u0636\u060c \u0627\u0632 \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0628\u0631\u0627\u06cc \u0645\u06a9\u0627\u0646 \u06cc\u0627\u0628\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0686\u0646\u062f\u06cc\u0646 \u0634\u0627\u062e\u0635 \u063a\u06cc\u0631 \u062e\u0648\u0634\u0647 \u0627\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0628\u0631\u062e\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u0634\u0627\u062e\u0635 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<ol>\n<li><strong>\u0634\u0627\u062e\u0635 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f:<\/strong> \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u062a\u0648\u0646 \u0646\u0645\u0627\u06cc\u0647 \u0634\u062f\u0647 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0647\u0633\u062a\u0646\u062f.<\/li>\n<li><strong>\u0634\u0627\u062e\u0635 \u062a\u0631\u06a9\u06cc\u0628\u06cc:<\/strong> \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u062f\u06a9\u0633 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li><strong>\u0646\u0645\u0627\u06cc\u0647 \u0628\u06cc\u062a \u0645\u067e:<\/strong> \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u06a9\u0645\u06cc \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062a\u0645\u0627\u06cc\u0632 (\u06a9\u0627\u0631\u062f\u06cc\u0646\u0627\u0644\u06cc\u062a\u0647 \u06a9\u0645).<\/li>\n<li><strong>\u0641\u0647\u0631\u0633\u062a \u06a9\u0627\u0645\u0644 \u0645\u062a\u0646:<\/strong> \u0628\u0631\u0627\u06cc \u062c\u0633\u062a\u062c\u0648\u06cc \u062a\u0645\u0627\u0645 \u0645\u062a\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li><strong>\u0634\u0627\u062e\u0635 \u0641\u0636\u0627\u06cc\u06cc:<\/strong> \u0628\u0631\u0627\u06cc \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0647\u0646\u062f\u0633\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<\/ol>\n<h2>\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0641\u0647\u0631\u0633\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/h2>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0627\u062e\u0635 \u0647\u0627 \u062f\u0631 \u0639\u06cc\u0646 \u0645\u0641\u06cc\u062f \u0628\u0648\u062f\u0646\u060c \u0646\u06cc\u0627\u0632\u0645\u0646\u062f \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0642\u06cc\u0642 \u0627\u0633\u062a. \u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u0646\u062f\u062a\u0631 \u0634\u062f\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0648\u0634\u062a\u0646 \u0648 \u0647\u062f\u0631 \u0631\u0641\u062a\u0646 \u0641\u0636\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0634\u0648\u062f. \u0627\u0632 \u0633\u0648\u06cc \u062f\u06cc\u06af\u0631\u060c \u0632\u06cc\u0631 \u0641\u0647\u0631\u0633\u062a\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0648\u0627\u0646\u062f\u0646 \u06a9\u0646\u062f\u062a\u0631 \u0634\u0648\u062f.<\/p>\n<p>\u0646\u0638\u0627\u0631\u062a \u0628\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062e\u0648\u062f \u0648 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0645\u0646\u0638\u0645 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0628\u0642\u062a \u0628\u0627 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0641\u0639\u0644\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u0646\u062a\u062e\u0627\u0628 \u0646\u0648\u0639 \u0634\u0627\u062e\u0635 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0627\u0647\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627 \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u0628\u0631 \u0631\u0648\u06cc \u0622\u0646 \u0646\u0642\u0634 \u0628\u0633\u0632\u0627\u06cc\u06cc \u062f\u0631 \u0627\u062c\u0631\u0627\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0634\u0627\u062e\u0635 \u062f\u0627\u0631\u062f.<\/p>\n<h2>\u0645\u0642\u0627\u06cc\u0633\u0647 \u0647\u0627 \u0648 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u0627\u062e\u0635 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062c\u062f\u0648\u0644 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0627\u06cc \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u0634\u0627\u062e\u0635 \u0647\u0627 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u0646\u0648\u0639 \u0634\u0627\u062e\u0635<\/strong><\/th>\n<th><strong>\u0639\u0645\u0644\u06cc\u0627\u062a \u062e\u0648\u0627\u0646\u062f\u0646 \u0631\u0627 \u0633\u0631\u0639\u062a \u0645\u06cc \u0628\u062e\u0634\u062f<\/strong><\/th>\n<th><strong>\u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0648\u0634\u062a\u0646 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f<\/strong><\/th>\n<th><strong>\u0641\u0636\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u062e\u0648\u0634\u0647 \u0627\u06cc<\/td>\n<td>\u0622\u0631\u0647<\/td>\n<td>\u0622\u0631\u0647<\/td>\n<td>\u062f\u0631 \u062d\u062f \u0645\u062a\u0648\u0633\u0637<\/td>\n<\/tr>\n<tr>\n<td>\u063a\u06cc\u0631 \u062e\u0648\u0634\u0647 \u0627\u06cc<\/td>\n<td>\u0622\u0631\u0647<\/td>\n<td>\u0622\u0631\u0647<\/td>\n<td>\u0628\u0627\u0644\u0627<\/td>\n<\/tr>\n<tr>\n<td>\u0628\u06cc\u062a \u0645\u067e<\/td>\n<td>\u0628\u0644\u0647 (\u06a9\u0627\u0631\u062f\u06cc\u0646\u0627\u0644\u06cc\u062a\u0647 \u06a9\u0645)<\/td>\n<td>\u0622\u0631\u0647<\/td>\n<td>\u06a9\u0645<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u062a\u0646 \u06a9\u0627\u0645\u0644<\/td>\n<td>\u0628\u0644\u0647 (\u062c\u0633\u062a\u062c\u0648\u0647\u0627\u06cc \u0645\u062a\u0646\u06cc)<\/td>\n<td>\u0622\u0631\u0647<\/td>\n<td>\u0628\u0627\u0644\u0627<\/td>\n<\/tr>\n<tr>\n<td>\u0641\u0636\u0627\u06cc\u06cc<\/td>\n<td>\u0628\u0644\u0647 (\u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0647\u0646\u062f\u0633\u06cc)<\/td>\n<td>\u0622\u0631\u0647<\/td>\n<td>\u0628\u0627\u0644\u0627<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u062f\u06cc\u062f\u06af\u0627\u0647 \u0647\u0627 \u0648 \u0641\u0646\u0627\u0648\u0631\u06cc \u0647\u0627\u06cc \u0622\u06cc\u0646\u062f\u0647 \u062f\u0631 \u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/h2>\n<p>\u0622\u06cc\u0646\u062f\u0647 \u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062e\u0648\u062f\u06a9\u0627\u0631\u062a\u0631 \u0648 \u0633\u0627\u0632\u06af\u0627\u0631\u062a\u0631 \u0646\u0647\u0641\u062a\u0647 \u0627\u0633\u062a. \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0645\u0627\u0634\u06cc\u0646 \u0648 \u0647\u0648\u0634 \u0645\u0635\u0646\u0648\u0639\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u062e\u0648\u062f\u06a9\u0627\u0631 \u0634\u0627\u062e\u0635\u200c\u0647\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u063a\u06cc\u06cc\u0631 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0628\u0627\u0631 \u06a9\u0627\u0631\u06cc \u062f\u0631 \u062d\u0627\u0644 \u062a\u0648\u0633\u0639\u0647 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0628\u0627 \u0638\u0647\u0648\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u063a\u06cc\u0631 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc (NoSQL)\u060c \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc\u200c\u0647\u0627 \u0648 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u0646\u0645\u0627\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u062f\u0631 \u062d\u0627\u0644 \u062a\u0648\u0633\u0639\u0647 \u0647\u0633\u062a\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 Graph\u060c \u0645\u062c\u0627\u0648\u0631\u062a \u0628\u062f\u0648\u0646 \u0641\u0647\u0631\u0633\u062a \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0631 \u0639\u0646\u0635\u0631 \u062d\u0627\u0648\u06cc \u06cc\u06a9 \u0627\u0634\u0627\u0631\u0647 \u06af\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u0639\u0646\u0635\u0631 \u0645\u062c\u0627\u0648\u0631 \u062e\u0648\u062f \u0627\u0633\u062a.<\/p>\n<h2>\u0641\u0647\u0631\u0633\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648 \u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u06a9\u0633\u06cc<\/h2>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u06a9\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0627 \u0646\u0645\u0627\u06cc\u0647 \u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062a\u0639\u0627\u0645\u0644 \u0646\u062f\u0627\u0631\u0646\u062f\u060c \u0646\u0642\u0634 \u0645\u0647\u0645\u06cc \u062f\u0631 \u0645\u062a\u0639\u0627\u062f\u0644 \u06a9\u0631\u062f\u0646 \u0628\u0627\u0631\u0647\u0627 \u0648 \u062d\u0627\u0641\u0638\u0647 \u067e\u0646\u0647\u0627\u0646 \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u063a\u06cc\u0631\u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062a\u0623\u062b\u06cc\u0631 \u0645\u06cc \u06af\u0630\u0627\u0631\u062f.<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u0633\u0631\u0648\u0631 \u067e\u0631\u0627\u06a9\u0633\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u067e\u0627\u0633\u062e \u0647\u0627 \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u062f. \u0627\u06af\u0631 \u0647\u0645\u0627\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f\u060c \u067e\u0631\u0648\u06a9\u0633\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u067e\u0627\u0633\u062e \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f \u0648 \u0628\u0627\u0631 \u0631\u0648\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f. \u0627\u06cc\u0646 \u0628\u0647 \u0637\u0648\u0631 \u063a\u06cc\u0631\u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0647\u062a\u0631 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0646\u0645\u0627\u06cc\u0647 \u0647\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u062f\u0631 \u06cc\u06a9 \u0645\u062d\u06cc\u0637 DBMS \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0633\u0631\u0648\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u0627\u0632 \u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u067e\u0631\u0627\u06a9\u0633\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0631\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u0628\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0632 \u0647\u0645\u0647 \u0645\u0646\u0627\u0628\u0639 \u0631\u0627 \u062a\u0636\u0645\u06cc\u0646 \u06a9\u0631\u062f.<\/p>\n<h2>\u0644\u06cc\u0646\u06a9 \u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647<\/h2>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Database_index\" target=\"_new\" rel=\"noopener nofollow\">\u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f<\/a><\/li>\n<li><a href=\"https:\/\/www.geeksforgeeks.org\/indexing-in-databases-set-1\/\" target=\"_new\" rel=\"noopener nofollow\">\u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0634\u0627\u062e\u0635 \u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647<\/a><\/li>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/sql\/relational-databases\/sql-server-index-design-guide?view=sql-server-ver15\" target=\"_new\" rel=\"noopener nofollow\">\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0645\u0639\u0645\u0627\u0631\u06cc \u0648 \u0637\u0631\u0627\u062d\u06cc \u0634\u0627\u062e\u0635 SQL Server<\/a><\/li>\n<li><a href=\"https:\/\/dl.acm.org\/doi\/10.5555\/58015\" target=\"_new\" rel=\"noopener nofollow\">\u0646\u0645\u0627\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0648 \u062c\u0633\u062a\u062c\u0648 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647<\/a><\/li>\n<\/ul>","protected":false},"featured_media":468164,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476734","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Database Index: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is a database index?","answer":"<p>A database index is a data structure that enhances the speed of data retrieval operations on a database table. It works by storing a subset of the database's data and maintaining a pointer to the location of each piece of data. The index sorts its data based on the indexed columns' values, allowing efficient retrieval.<\/p>"},{"question":"What is the history of database indexes?","answer":"<p>The concept of database indexing emerged along with the development of database management systems. As early as the 1960s, the need for efficient data retrieval methods became apparent. However, it was in the context of the relational database model, proposed by Edgar F. Codd in 1970, that database indexes found their widespread use.<\/p>"},{"question":"How does a database index work?","answer":"<p>A database index works by storing a subset of the database's data and maintaining a pointer to the location of each piece of data. The index sorts its data based on the indexed columns' values, allowing efficient retrieval. When a query is executed, the database engine first scans the index to find the location of the data instead of scanning the entire database table, speeding up data retrieval.<\/p>"},{"question":"What are the key features of a database index?","answer":"<p>Some of the key features of a database index include performance improvement, their structured nature, storage methods, trade-offs (they speed up read operations but slow down write operations), and the two types of indexes: clustered and non-clustered.<\/p>"},{"question":"What are the types of database indexes?","answer":"<p>There are primarily two types of indexes: clustered and non-clustered. A clustered index determines the physical order of data in a table, while a non-clustered index uses a pointer to locate data. Other types of indexes include unique, composite, bitmap, full-text, and spatial indexes.<\/p>"},{"question":"What are the ways to use a database index and what problems may occur?","answer":"<p>The use of indexes significantly speeds up data retrieval operations but requires careful management. Over-indexing can lead to slower write operations and wasted storage space. Under-indexing, on the other hand, can result in slower read operations. It is crucial to monitor the performance of your database and regularly update your indexing strategy.<\/p>"},{"question":"How are database indexes and proxy servers related?","answer":"<p>While proxy servers do not directly interact with database indexes, they do play a significant role in balancing loads and caching, which indirectly impacts the performance of databases. A proxy server can cache responses from a database, reducing the load on the database and helping in better utilizing the database resources, including indexes.<\/p>"},{"question":"What is the future of database indexing?","answer":"<p>The future of database indexing lies in more automated and adaptive systems. Machine learning and AI techniques are being developed to automatically manage and optimize indexes based on changing workload patterns. Also, with the rise of non-relational databases (NoSQL), different indexing strategies and structures are being developed.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/wiki\/476734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/wiki\/476734\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/media\/468164"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/media?parent=476734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}