{"id":478510,"date":"2023-08-09T09:33:56","date_gmt":"2023-08-09T09:33:56","guid":{"rendered":""},"modified":"2023-09-05T11:16:56","modified_gmt":"2023-09-05T11:16:56","slug":"primary-key","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/in\/wiki\/primary-key\/","title":{"rendered":"\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940"},"content":{"rendered":"<p>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0914\u0930 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u092e\u0947\u0902 \u090f\u0915 \u0936\u092c\u094d\u0926 \u0939\u0948 \u091c\u094b \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0924\u093e\u0932\u093f\u0915\u093e \u0915\u0947 \u092d\u0940\u0924\u0930 \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u092a\u0902\u0915\u094d\u0924\u093f \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 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\u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924\u093f \u0915\u0940 \u0938\u0941\u0935\u093f\u0927\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964<\/li>\n<\/ul>\n<h2>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u0940 \u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u0913\u0902 \u0915\u093e \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923<\/h2>\n<p>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u092e\u0947\u0902 \u0915\u0908 \u0932\u093e\u092d \u0914\u0930 \u091a\u0941\u0928\u094c\u0924\u093f\u092f\u093e\u0901 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0940 \u0939\u0948\u0902:<\/p>\n<h3>\u092b\u093c\u093e\u092f\u0926\u0947:<\/h3>\n<ul>\n<li><strong>\u0906\u0902\u0915\u0921\u093c\u093e \u0936\u0941\u091a\u093f\u0924\u093e<\/strong>: \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0915\u093f \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0905\u0926\u094d\u0935\u093f\u0924\u0940\u092f \u0914\u0930 \u0938\u0941\u0938\u0902\u0917\u0924 \u0939\u0948\u0902\u0964<\/li>\n<li><strong>\u0930\u093f\u0936\u094d\u0924\u094b\u0902<\/strong>: \u0935\u093f\u0926\u0947\u0936\u0940 \u0915\u0941\u0902\u091c\u093f\u092f\u094b\u0902 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0905\u0928\u094d\u092f \u0924\u093e\u0932\u093f\u0915\u093e\u0913\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0938\u0902\u092c\u0902\u0927\u094b\u0902 \u0915\u094b \u0938\u0941\u0917\u092e \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u0915\u0941\u0936\u0932 \u092a\u094d\u0930\u0936\u094d\u0928<\/strong>: \u0905\u0928\u0941\u0915\u094d\u0930\u092e\u0923 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0916\u094b\u091c \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0915\u094b \u092c\u0922\u093c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n<h3>\u091a\u0941\u0928\u094c\u0924\u093f\u092f\u093e\u0901:<\/h3>\n<ul>\n<li><strong>\u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u091c\u091f\u093f\u0932\u0924\u093e<\/strong>: \u0938\u0939\u0940 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u091a\u0941\u0928\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u092a\u0930 \u0938\u093e\u0935\u0927\u093e\u0928\u0940\u092a\u0942\u0930\u094d\u0935\u0915 \u0935\u093f\u091a\u093e\u0930 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/li>\n<li><strong>\u0938\u0902\u0936\u094b\u0927\u0928 \u092a\u094d\u0930\u0924\u093f\u092c\u0902\u0927<\/strong>: \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u094b \u092c\u0926\u0932\u0928\u093e \u091c\u091f\u093f\u0932 \u0914\u0930 \u091c\u094b\u0916\u093f\u092e \u092d\u0930\u093e \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n<h2>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u0947 \u092a\u094d\u0930\u0915\u093e\u0930: \u0932\u093f\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0924\u093e\u0932\u093f\u0915\u093e\u0913\u0902 \u0914\u0930 \u0938\u0942\u091a\u093f\u092f\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902<\/h2>\n<p>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u093f\u092f\u094b\u0902 \u0915\u094b \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092a\u094d\u0930\u0915\u093e\u0930\u094b\u0902 \u092e\u0947\u0902 \u0935\u0930\u094d\u0917\u0940\u0915\u0943\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948:<\/p>\n<ol>\n<li><strong>\u0938\u0930\u0932 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940<\/strong>: \u090f\u0915\u0932 \u0938\u094d\u0924\u0902\u092d \u0938\u0947 \u092c\u0928\u093e \u0939\u0948.<\/li>\n<li><strong>\u0938\u092e\u0917\u094d\u0930 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940<\/strong>: \u0905\u0928\u0947\u0915 \u0938\u094d\u0924\u0902\u092d\u094b\u0902 \u0938\u0947 \u0928\u093f\u0930\u094d\u092e\u093f\u0924.<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>\u092a\u094d\u0930\u0915\u093e\u0930<\/th>\n<th>\u0935\u093f\u0935\u0930\u0923<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0938\u0930\u0932 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940<\/td>\n<td>\u0935\u093f\u0936\u093f\u0937\u094d\u091f\u0924\u093e \u0932\u093e\u0917\u0942 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0915\u0949\u0932\u092e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/td>\n<\/tr>\n<tr>\n<td>\u0938\u092e\u0917\u094d\u0930 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940<\/td>\n<td>\u0935\u093f\u0936\u093f\u0937\u094d\u091f\u0924\u093e \u0932\u093e\u0917\u0942 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915\u093e\u0927\u093f\u0915 \u0938\u094d\u0924\u0902\u092d\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0924\u0930\u0940\u0915\u0947, \u0909\u092a\u092f\u094b\u0917 \u0938\u0947 \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0938\u092e\u0938\u094d\u092f\u093e\u090f\u0901 \u0914\u0930 \u0909\u0928\u0915\u0947 \u0938\u092e\u093e\u0927\u093e\u0928<\/h2>\n<p>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u093f\u092f\u094b\u0902 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u092f\u0939 \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0915\u093f \u0921\u0947\u091f\u093e \u0938\u0941\u0938\u0902\u0917\u0924 \u0930\u0939\u0947 \u0914\u0930 \u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0947\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u0935\u0947 \u091a\u0941\u0928\u094c\u0924\u093f\u092f\u093e\u0901 \u092d\u0940 \u0916\u0921\u093c\u0940 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h3>\u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0938\u092e\u0938\u094d\u092f\u093e:<\/h3>\n<ul>\n<li><strong>\u0917\u093c\u0932\u0924 \u0915\u0941\u0902\u091c\u0940 \u091a\u092f\u0928<\/strong>:\u0905\u0915\u094d\u0937\u092e\u0924\u093e\u0913\u0902 \u0915\u094b \u091c\u0928\u094d\u092e \u0926\u0947 \u0938\u0915\u0924\u093e \u0939\u0948.<\/li>\n<li><strong>\u092a\u094d\u0930\u0935\u093e\u0938\u0928 \u092e\u0941\u0926\u094d\u0926\u0947<\/strong>: \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u092c\u0926\u0932\u0928\u093e \u091c\u091f\u093f\u0932 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n<h3>\u0938\u092e\u093e\u0927\u093e\u0928:<\/h3>\n<ul>\n<li><strong>\u0938\u093e\u0935\u0927\u093e\u0928 \u0921\u093f\u091c\u093e\u0907\u0928<\/strong>: \u0909\u091a\u093f\u0924 \u092f\u094b\u091c\u0928\u093e \u0914\u0930 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0905\u0927\u093f\u0915\u093e\u0902\u0936 \u0938\u092e\u0938\u094d\u092f\u093e\u0913\u0902 \u0915\u094b \u0915\u092e \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u0909\u092a\u0915\u0930\u0923 \u0914\u0930 \u0935\u093f\u0936\u0947\u0937\u091c\u094d\u091e\u0924\u093e<\/strong>: \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u091f\u0942\u0932 \u0914\u0930 \u092a\u0947\u0936\u0947\u0935\u0930 \u0935\u093f\u0936\u0947\u0937\u091c\u094d\u091e\u0924\u093e \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902\u0964<\/li>\n<\/ul>\n<h2>\u092e\u0941\u0916\u094d\u092f \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0901 \u0914\u0930 \u0938\u092e\u093e\u0928 \u0936\u092c\u094d\u0926\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0905\u0928\u094d\u092f \u0924\u0941\u0932\u0928\u093e\u090f\u0901<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0905\u0935\u0927\u093f<\/th>\n<th>\u092a\u0930\u093f\u092d\u093e\u0937\u093e<\/th>\n<th>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u0947 \u0938\u093e\u0925 \u0924\u0941\u0932\u0928\u093e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940<\/td>\n<td>\u0915\u093f\u0938\u0940 \u0924\u093e\u0932\u093f\u0915\u093e \u092e\u0947\u0902 \u0915\u093f\u0938\u0940 \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u094b \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u0930\u0942\u092a \u0938\u0947 \u092a\u0939\u091a\u093e\u0928\u0924\u093e \u0939\u0948\u0964<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>\u0905\u0928\u094b\u0916\u0940 \u0915\u0941\u0902\u091c\u0940<\/td>\n<td>\u0935\u093f\u0936\u093f\u0937\u094d\u091f\u0924\u093e \u0932\u093e\u0917\u0942 \u0915\u0930\u0924\u093e \u0939\u0948 \u0932\u0947\u0915\u093f\u0928 \u0936\u0942\u0928\u094d\u092f \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/td>\n<td>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0938\u0947 \u0915\u092e \u0938\u0916\u094d\u0924.<\/td>\n<\/tr>\n<tr>\n<td>\u0935\u093f\u0926\u0947\u0936\u0940 \u0915\u0941\u0902\u091c\u0940<\/td>\n<td>\u0915\u093f\u0938\u0940 \u0905\u0928\u094d\u092f \u0924\u093e\u0932\u093f\u0915\u093e \u092e\u0947\u0902 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u094b \u0938\u0902\u0926\u0930\u094d\u092d\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0941\u090f, \u0926\u094b \u0924\u093e\u0932\u093f\u0915\u093e\u0913\u0902 \u0915\u094b \u090f\u0915 \u0938\u093e\u0925 \u091c\u094b\u0921\u093c\u0924\u093e \u0939\u0948\u0964<\/td>\n<td>\u0930\u093f\u0936\u094d\u0924\u094b\u0902 \u0915\u094b \u0932\u093e\u0917\u0942 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0938\u0947 \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u092d\u0935\u093f\u0937\u094d\u092f \u0915\u0947 \u092a\u0930\u093f\u092a\u094d\u0930\u0947\u0915\u094d\u0937\u094d\u092f \u0914\u0930 \u092a\u094d\u0930\u094c\u0926\u094d\u092f\u094b\u0917\u093f\u0915\u093f\u092f\u093e\u0901<\/h2>\n<p>\u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u093f\u092f\u094b\u0902 \u0915\u093e \u092d\u0935\u093f\u0937\u094d\u092f \u0938\u0902\u092d\u0935\u0924\u0903 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u094d\u0930\u094c\u0926\u094d\u092f\u094b\u0917\u093f\u0915\u093f\u092f\u094b\u0902 \u0914\u0930 \u0915\u0943\u0924\u094d\u0930\u093f\u092e \u092c\u0941\u0926\u094d\u0927\u093f\u092e\u0924\u094d\u0924\u093e \u092e\u0947\u0902 \u092a\u094d\u0930\u0917\u0924\u093f \u0915\u0947 \u0938\u093e\u0925 \u091c\u0941\u0921\u093c\u093e \u0939\u094b\u0917\u093e\u0964 \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0921\u093f\u091c\u093c\u093e\u0907\u0928, \u0905\u0927\u093f\u0915 \u092e\u091c\u092c\u0942\u0924 \u0905\u0916\u0902\u0921\u0924\u093e \u092c\u093e\u0927\u093e\u090f\u0901, \u0914\u0930 \u0928\u090f \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 (\u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f, NoSQL) \u0915\u0947 \u0938\u093e\u0925 \u090f\u0915\u0940\u0915\u0930\u0923 \u0926\u0947\u0916\u0928\u0947 \u0932\u093e\u092f\u0915 \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u0939\u0948\u0902\u0964<\/p>\n<h2>\u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0948\u0938\u0947 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948 \u092f\u093e \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u0947 \u0938\u093e\u0925 \u0915\u0948\u0938\u0947 \u0938\u0902\u092c\u0926\u094d\u0927 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948<\/h2>\n<p>OneProxy \u091c\u0948\u0938\u0947 \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u092a\u094d\u0930\u0926\u093e\u0924\u093e\u0913\u0902 \u0915\u0947 \u0938\u0902\u0926\u0930\u094d\u092d \u092e\u0947\u0902, \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u094d\u0932\u093e\u0907\u0902\u091f \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930\u0947\u0936\u0928, \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0915\u094d\u0930\u0947\u0921\u0947\u0902\u0936\u093f\u092f\u0932 \u0914\u0930 \u0932\u0949\u0917 \u0915\u094b \u092a\u094d\u0930\u092c\u0902\u0927\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u090f \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u0905\u0902\u0924\u0930\u094d\u0928\u093f\u0939\u093f\u0924 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u093e \u0939\u093f\u0938\u094d\u0938\u093e \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0964 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u0947 \u0938\u0939\u0940 \u0909\u092a\u092f\u094b\u0917 \u0938\u0939\u093f\u0924 \u090f\u0915 \u092e\u091c\u092c\u0942\u0924 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u0902\u0930\u091a\u0928\u093e, \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0947\u0935\u093e\u0913\u0902 \u0915\u0947 \u0915\u0941\u0936\u0932 \u0938\u0902\u091a\u093e\u0932\u0928, \u0938\u094d\u0915\u0947\u0932\u0947\u092c\u093f\u0932\u093f\u091f\u0940 \u0914\u0930 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964<\/p>\n<h2>\u0938\u092e\u094d\u092c\u0902\u0927\u093f\u0924 \u0932\u093f\u0902\u0915\u094d\u0938<\/h2>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Relational_model\" target=\"_new\" rel=\"noopener nofollow\">\u090f\u0921\u0917\u0930 \u090f\u092b. \u0915\u0949\u0921 \u0915\u093e \u0930\u093f\u0932\u0947\u0936\u0928\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924<\/a><\/li>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/sql\/relational-databases\/databases\/database-design-basics?view=sql-server-ver15\" target=\"_new\" rel=\"noopener nofollow\">\u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u0905\u0935\u0927\u093e\u0930\u0923\u093e\u090f\u0901<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/in\/\" target=\"_new\" rel=\"noopener\">OneProxy \u0935\u0947\u092c\u0938\u093e\u0907\u091f<\/a> \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u0915\u0947 \u0938\u0902\u0926\u0930\u094d\u092d \u092e\u0947\u0902 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u093f\u092f\u093e\u0901 \u0915\u0948\u0938\u0947 \u092a\u094d\u0930\u093e\u0938\u0902\u0917\u093f\u0915 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0902, \u0907\u0938 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u091c\u093e\u0928\u0915\u093e\u0930\u0940 \u0915\u0947 \u0932\u093f\u090f\u0964<\/li>\n<\/ol>\n<hr>\n<p>\u092f\u0939 \u0906\u0932\u0947\u0916 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0905\u0935\u0927\u093e\u0930\u0923\u093e \u0915\u093e \u090f\u0915 \u0935\u094d\u092f\u093e\u092a\u0915 \u0905\u0935\u0932\u094b\u0915\u0928 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948, \u091c\u094b \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0921\u093f\u091c\u093c\u093e\u0907\u0928 \u092e\u0947\u0902 \u0932\u0917\u0947 \u0915\u093f\u0938\u0940 \u092d\u0940 \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u092f\u093e \u0921\u0947\u091f\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u0915\u0940 \u0928\u0940\u0902\u0935 \u0915\u094b \u0938\u092e\u091d\u0928\u0947 \u092e\u0947\u0902 \u0930\u0941\u091a\u093f \u0930\u0916\u0928\u0947 \u0935\u093e\u0932\u0947 \u0915\u093f\u0938\u0940 \u092d\u0940 \u0935\u094d\u092f\u0915\u094d\u0924\u093f \u0915\u0947 \u0932\u093f\u090f \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948\u0964 OneProxy \u091c\u0948\u0938\u0947 \u0938\u0902\u0917\u0920\u0928\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f, \u0938\u094d\u0915\u0947\u0932\u0947\u092c\u0932 \u0914\u0930 \u0915\u0941\u0936\u0932 \u0938\u093f\u0938\u094d\u091f\u092e \u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u0902\u0930\u091a\u0928\u093e \u092e\u0947\u0902 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u0941\u0902\u091c\u0940 \u0915\u0940 \u092d\u0942\u092e\u093f\u0915\u093e \u0915\u094b \u0938\u092e\u091d\u0928\u093e \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948\u0964<\/p>","protected":false},"featured_media":469211,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478510","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Primary Key<\/mark>","faq_items":[{"question":"What is a Primary Key?","answer":"<p>A primary key is a specific column or set of columns with a unique value for each row within a database table. It ensures that each record can be uniquely identified, maintaining data integrity and consistency.<\/p>"},{"question":"What are the Main Types of Primary Keys?","answer":"<p>There are two main types of primary keys: Simple Primary Key, which consists of a single column, and Composite Primary Key, which consists of multiple columns.<\/p>"},{"question":"How Does a Primary Key Work?","answer":"<p>A primary key works by creating an index on the column(s) that make up the key. This allows for quick lookup and retrieval of rows based on primary key values, aiding in efficient queries.<\/p>"},{"question":"What Are the Benefits and Challenges of Using a Primary Key?","answer":"<p>The benefits of using a primary key include ensuring data integrity, facilitating relationships with other tables, and enhancing search performance. Challenges may include design complexity and modification restrictions.<\/p>"},{"question":"How are Primary Keys Different from Unique Keys and Foreign Keys?","answer":"<p>Primary keys uniquely identify a record in a table and cannot be null. Unique keys also enforce uniqueness but can be null, while foreign keys are used to link two tables together and reference a primary key in another table.<\/p>"},{"question":"What Future Technologies and Perspectives are Related to Primary Keys?","answer":"<p>The future of primary keys may involve advancements in database technologies and artificial intelligence, including automated database design, more robust integrity constraints, and integration with new types of databases such as NoSQL.<\/p>"},{"question":"How are Proxy Servers like OneProxy Associated with Primary Keys?","answer":"<p>In the context of proxy server providers like OneProxy, primary keys might be part of the underlying databases used to manage client configurations, user credentials, and logs. Proper utilization of primary keys ensures the efficient operation, scalability, and security of proxy services.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/wiki\/478510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/wiki\/478510\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/media\/469211"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/media?parent=478510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}