{"id":476664,"date":"2023-08-09T07:31:20","date_gmt":"2023-08-09T07:31:20","guid":{"rendered":""},"modified":"2023-09-05T11:13:11","modified_gmt":"2023-09-05T11:13:11","slug":"data-manipulation-language","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/in\/wiki\/data-manipulation-language\/","title":{"rendered":"\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e"},"content":{"rendered":"<p>\u0921\u0947\u091f\u093e \u092e\u0948\u0928\u093f\u092a\u0941\u0932\u0947\u0936\u0928 \u0932\u0948\u0902\u0917\u094d\u0935\u0947\u091c (\u0921\u0940\u090f\u092e\u090f\u0932) \u090f\u0938\u0915\u094d\u092f\u0942\u090f\u0932 (\u0938\u094d\u091f\u094d\u0930\u0915\u094d\u091a\u0930\u094d\u0921 \u0915\u094d\u0935\u0947\u0930\u0940 \u0932\u0948\u0902\u0917\u094d\u0935\u0947\u091c) \u0915\u093e \u090f\u0915 \u0938\u092c\u0938\u0947\u091f \u0939\u0948 \u091c\u093f\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092e\u0947\u0902 \u0921\u0947\u091f\u093e \u0915\u094b \u092a\u0941\u0928\u0903 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947, \u0938\u092e\u094d\u092e\u093f\u0932\u093f\u0924 \u0915\u0930\u0928\u0947, \u0938\u0902\u0936\u094b\u0927\u093f\u0924 \u0915\u0930\u0928\u0947 \u0914\u0930 \u0939\u091f\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u093e \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f \u0938\u0902\u0930\u091a\u093f\u0924 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0935\u093e\u0924\u093e\u0935\u0930\u0923 \u0915\u0947 \u092d\u0940\u0924\u0930 \u0921\u0947\u091f\u093e \u092e\u0947\u0902 \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u0930\u0928\u0947 \u0915\u093e \u090f\u0915 \u0932\u091a\u0940\u0932\u093e \u0914\u0930 \u0915\u0941\u0936\u0932 \u0924\u0930\u0940\u0915\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u093e \u0939\u0948\u0964<\/p>\n<h2>\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u0915\u093e \u0907\u0924\u093f\u0939\u093e\u0938 \u0914\u0930 \u0935\u093f\u0915\u093e\u0938<\/h2>\n<p>\u0921\u0947\u091f\u093e \u092e\u0948\u0928\u093f\u092a\u0941\u0932\u0947\u0936\u0928 \u0932\u0948\u0902\u0917\u094d\u0935\u0947\u091c \u0915\u0940 \u0909\u0924\u094d\u092a\u0924\u094d\u0924\u093f 1970 \u0915\u0947 \u0926\u0936\u0915 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 SQL \u0915\u0947 \u0935\u093f\u0915\u093e\u0938 \u0938\u0947 \u0939\u0941\u0908\u0964 SQL \u0915\u094b IBM \u092e\u0947\u0902 \u0930\u0947\u092e\u0902\u0921 \u090f\u092b. \u092c\u0949\u092f\u0938 \u0914\u0930 \u0921\u094b\u0928\u093e\u0932\u094d\u0921 \u0921\u0940. \u091a\u0947\u092e\u094d\u092c\u0930\u0932\u093f\u0928 \u0926\u094d\u0935\u093e\u0930\u093e \u092c\u0928\u093e\u092f\u093e \u0917\u092f\u093e \u0925\u093e\u0964 \u0909\u0928\u094d\u0939\u094b\u0902\u0928\u0947 \u092a\u0939\u0932\u0940 \u092c\u093e\u0930 1974 \u092e\u0947\u0902 &quot;SEQUEL: \u090f \u0938\u094d\u091f\u094d\u0930\u0915\u094d\u091a\u0930\u094d\u0921 \u0907\u0902\u0917\u094d\u0932\u093f\u0936 \u0915\u094d\u0935\u0947\u0930\u0940 \u0932\u0948\u0902\u0917\u094d\u0935\u0947\u091c&quot; \u0928\u093e\u092e\u0915 \u092a\u0947\u092a\u0930 \u092e\u0947\u0902 SQL \u092d\u093e\u0937\u093e \u0915\u0947 \u092d\u093e\u0917 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 DML \u0915\u094b \u092a\u0947\u0936 \u0915\u093f\u092f\u093e\u0964 \u0938\u092e\u092f \u0915\u0947 \u0938\u093e\u0925, \u0921\u0940\u090f\u092e\u090f\u0932 \u0935\u093f\u0915\u0938\u093f\u0924 \u0939\u0941\u0906 \u0939\u0948 \u0914\u0930 \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u092a\u094d\u0930\u0923\u093e\u0932\u093f\u092f\u094b\u0902 (\u0921\u0940\u092c\u0940\u090f\u092e\u090f\u0938) \u092e\u0947\u0902 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u0905\u092a\u0928\u093e\u092f\u093e \u0917\u092f\u093e \u0939\u0948, \u091c\u094b \u090f\u090f\u0928\u090f\u0938\u0906\u0908 \u0914\u0930 \u0906\u0908\u090f\u0938\u0913 \u090f\u0938\u0915\u094d\u092f\u0942\u090f\u0932 \u092e\u093e\u0928\u0915\u094b\u0902 \u0915\u093e \u090f\u0915 \u092e\u093e\u0928\u0915 \u0939\u093f\u0938\u094d\u0938\u093e \u092c\u0928 \u0917\u092f\u093e \u0939\u0948\u0964<\/p>\n<h2>\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u092a\u0930 \u0917\u0939\u0930\u093e\u0908 \u0938\u0947 \u0928\u091c\u093c\u0930 \u0921\u093e\u0932\u0947\u0902<\/h2>\n<p>\u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u092e\u093e\u0902\u0921 \u090f\u0938\u0915\u094d\u092f\u0942\u090f\u0932 \u0915\u0947 \u0915\u0947\u0902\u0926\u094d\u0930 \u092e\u0947\u0902 \u0939\u0948\u0902 \u0914\u0930 \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e\u0913\u0902 \u0915\u094b \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u092d\u0940\u0924\u0930 \u0938\u0902\u0917\u094d\u0930\u0939\u0940\u0924 \u0921\u0947\u091f\u093e \u092e\u0947\u0902 \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u0930\u0928\u0947 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964 \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u0947 \u092d\u0940\u0924\u0930 \u091a\u093e\u0930 \u092a\u094d\u0930\u093e\u0925\u092e\u093f\u0915 \u0915\u092e\u093e\u0902\u0921 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902:<\/p>\n<ol>\n<li><strong>\u091a\u0941\u0928\u0928\u093e<\/strong>: \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092e\u0947\u0902 \u090f\u0915 \u092f\u093e \u0905\u0927\u093f\u0915 \u0924\u093e\u0932\u093f\u0915\u093e\u0913\u0902 \u0938\u0947 \u0921\u0947\u091f\u093e \u0915\u094b \u0915\u094d\u0935\u0947\u0930\u0940 \u0915\u0930\u0928\u0947 \u0914\u0930 \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924 \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<\/li>\n<li><strong>\u0921\u093e\u0932\u0928\u093e<\/strong>: \u0924\u093e\u0932\u093f\u0915\u093e \u092e\u0947\u0902 \u0928\u090f \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u091c\u094b\u0921\u093c\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u0905\u0926\u094d\u092f\u0924\u0928<\/strong>: \u0915\u093f\u0938\u0940 \u0924\u093e\u0932\u093f\u0915\u093e \u092e\u0947\u0902 \u092e\u094c\u091c\u0942\u0926\u093e \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0915\u094b \u0938\u0902\u0936\u094b\u0927\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u092e\u093f\u091f\u093e\u0928\u093e<\/strong>: \u0915\u093f\u0938\u0940 \u0924\u093e\u0932\u093f\u0915\u093e \u0938\u0947 \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0939\u091f\u093e\u0924\u093e \u0939\u0948.<\/li>\n<\/ol>\n<p>\u092f\u0939 \u0938\u092e\u091d\u0928\u093e \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u0948 \u0915\u093f \u092f\u0947 \u0906\u0926\u0947\u0936, \u0935\u093f\u0936\u0947\u0937 \u0930\u0942\u092a \u0938\u0947 \u0905\u0926\u094d\u092f\u0924\u0928 \u0914\u0930 \u0939\u091f\u093e\u090f\u0902, \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u092d\u0940\u0924\u0930 \u0921\u0947\u091f\u093e \u0915\u094b \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0930\u0942\u092a \u0938\u0947 \u092c\u0926\u0932 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0938\u0932\u093f\u090f, \u0910\u0938\u0947 \u0906\u0926\u0947\u0936\u094b\u0902 \u0915\u094b \u0938\u093e\u0935\u0927\u093e\u0928\u0940 \u0938\u0947 \u0928\u093f\u0937\u094d\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0928\u093e \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u0905\u092d\u094d\u092f\u093e\u0938 \u0939\u0948\u0964<\/p>\n<h2>\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u0915\u0940 \u0906\u0902\u0924\u0930\u093f\u0915 \u0915\u093e\u0930\u094d\u092f\u092a\u094d\u0930\u0923\u093e\u0932\u0940<\/h2>\n<p>\u092e\u094c\u0932\u093f\u0915 \u0938\u094d\u0924\u0930 \u092a\u0930, \u0921\u0940\u090f\u092e\u090f\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 \u0915\u094b \u0915\u092e\u093e\u0902\u0921 \u092d\u0947\u091c\u0915\u0930 \u0915\u093e\u092e \u0915\u0930\u0924\u093e \u0939\u0948\u0964 DBMS \u0907\u0928 \u0906\u0926\u0947\u0936\u094b\u0902 \u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948, \u0921\u0947\u091f\u093e \u092a\u0930 \u0905\u0928\u0941\u0930\u094b\u0927\u093f\u0924 \u0938\u0902\u091a\u093e\u0932\u0928 \u0915\u0930\u0924\u093e \u0939\u0948, \u0914\u0930 \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0915\u094b \u0915\u094b\u0908 \u092d\u0940 \u0905\u0928\u0941\u0930\u094b\u0927\u093f\u0924 \u0921\u0947\u091f\u093e \u0932\u094c\u091f\u093e\u0924\u093e \u0939\u0948\u0964 DBMS \u0921\u0947\u091f\u093e \u090f\u0915\u094d\u0938\u0947\u0938 \u0914\u0930 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u0915\u0940 \u0938\u092d\u0940 \u091c\u091f\u093f\u0932\u0924\u093e\u0913\u0902 \u0915\u094b \u0938\u0902\u092d\u093e\u0932\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u0905\u092a\u0947\u0915\u094d\u0937\u093e\u0915\u0943\u0924 \u0938\u0930\u0932 \u0915\u092e\u093e\u0902\u0921 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u0921\u0947\u091f\u093e \u0915\u0947 \u0938\u093e\u0925 \u0907\u0902\u091f\u0930\u0948\u0915\u094d\u091f \u0915\u0930\u0928\u093e \u0938\u0902\u092d\u0935 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0928\u093f\u0937\u094d\u092a\u093e\u0926\u0928 \u0915\u0947 \u0938\u0902\u0926\u0930\u094d\u092d \u092e\u0947\u0902, \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u093f\u0938\u094d\u091f\u092e \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u092e\u093e\u0902\u0921 \u0915\u094b \u0926\u094b \u091a\u0930\u0923\u094b\u0902 \u092e\u0947\u0902 \u0938\u0902\u0938\u093e\u0927\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948:<\/p>\n<ol>\n<li><strong>\u0938\u0902\u0915\u0932\u0928 \u0938\u092e\u092f<\/strong>: SQL \u0938\u094d\u091f\u0947\u091f\u092e\u0947\u0902\u091f \u0915\u093e \u0938\u093f\u0902\u091f\u0948\u0915\u094d\u0938 \u091a\u0947\u0915 \u0915\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u091a\u0932\u093e\u0928\u0947 \u0915\u093e \u0938\u092e\u092f<\/strong>: \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u093f\u0938\u094d\u091f\u092e SQL \u0938\u094d\u091f\u0947\u091f\u092e\u0947\u0902\u091f \u0915\u094b \u0928\u093f\u0937\u094d\u092a\u093e\u0926\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ol>\n<h2>\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u0915\u0940 \u092e\u0941\u0916\u094d\u092f \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902<\/h2>\n<p>\u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u0940 \u0915\u0941\u091b \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u0913\u0902 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902:<\/p>\n<ul>\n<li><strong>\u0938\u093e\u0926\u0917\u0940<\/strong>: \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u092e\u093e\u0902\u0921 \u0938\u0930\u0932 \u0914\u0930 \u0938\u092e\u091d\u0928\u0947 \u092e\u0947\u0902 \u0906\u0938\u093e\u0928 \u0939\u0948\u0902\u0964<\/li>\n<li><strong>FLEXIBILITY<\/strong>: \u0921\u0940\u090f\u092e\u090f\u0932 \u0930\u093f\u0915\u0949\u0930\u094d\u0921 \u0914\u0930 \u0938\u0947\u091f \u0926\u094b\u0928\u094b\u0902 \u0938\u094d\u0924\u0930\u094b\u0902 \u092a\u0930 \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u0936\u0915\u094d\u0924\u093f\u0936\u093e\u0932\u0940 \u0921\u0947\u091f\u093e \u092a\u094d\u0930\u092c\u0902\u0927\u0928<\/strong>: \u0921\u0940\u090f\u092e\u090f\u0932 \u092c\u0921\u093c\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u092e\u0947\u0902 \u0921\u0947\u091f\u093e \u0915\u094b \u0915\u0941\u0936\u0932\u0924\u093e\u092a\u0942\u0930\u094d\u0935\u0915 \u0938\u0902\u092d\u093e\u0932 \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/li>\n<li><strong>\u0921\u0947\u091f\u093e \u0938\u0902\u0917\u0924\u0924\u093e<\/strong>: \u0921\u0940\u090f\u092e\u090f\u0932 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u092d\u0940\u0924\u0930 \u0921\u0947\u091f\u093e \u0915\u0940 \u0905\u0916\u0902\u0921\u0924\u093e \u0914\u0930 \u0938\u094d\u0925\u093f\u0930\u0924\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ul>\n<h2>\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u0915\u0947 \u092a\u094d\u0930\u0915\u093e\u0930<\/h2>\n<p>\u0921\u0940\u090f\u092e\u090f\u0932 \u0926\u094b \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u0947 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902:<\/p>\n<ol>\n<li><strong>\u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0924\u094d\u092e\u0915 \u0921\u0940\u090f\u092e\u090f\u0932<\/strong>: \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0915\u094b \u092f\u0939 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u0948 \u0915\u093f \u0915\u093f\u0938 \u0921\u0947\u091f\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u0948 \u0914\u0930 \u0907\u0938\u0947 \u0915\u0948\u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u090f\u0964<\/li>\n<li><strong>\u0917\u0948\u0930-\u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0924\u094d\u092e\u0915 \u0921\u0940\u090f\u092e\u090f\u0932<\/strong>: \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0915\u094b \u092f\u0939 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0928\u0947 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u0948 \u0915\u093f \u0915\u093f\u0938 \u0921\u0947\u091f\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u0948, \u092c\u093f\u0928\u093e \u092f\u0939 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u093f\u090f \u0915\u093f \u0907\u0938\u0947 \u0915\u0948\u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u090f\u0964<\/li>\n<\/ol>\n<p>\u0928\u093f\u092e\u094d\u0928 \u0924\u093e\u0932\u093f\u0915\u093e \u0926\u094b \u092a\u094d\u0930\u0915\u093e\u0930\u094b\u0902 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0940 \u0939\u0948:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0935\u093f\u0936\u0947\u0937\u0924\u093e<\/th>\n<th>\u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0924\u094d\u092e\u0915 \u0921\u0940\u090f\u092e\u090f\u0932<\/th>\n<th>\u0917\u0948\u0930-\u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e\u0924\u094d\u092e\u0915 \u0921\u0940\u090f\u092e\u090f\u0932<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0909\u092a\u092f\u094b\u0917 \u092e\u0947\u0902 \u0906\u0938\u093e\u0928\u0940<\/td>\n<td>\u0921\u0947\u091f\u093e \u0915\u0948\u0938\u0947 \u0938\u0902\u0917\u094d\u0930\u0939\u0940\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0907\u0938\u0915\u093e \u091c\u094d\u091e\u093e\u0928 \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948<\/td>\n<td>\u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e\u0913\u0902 \u0915\u0947 \u0932\u093f\u090f \u0906\u0938\u093e\u0928 \u0939\u0948, \u092c\u0938 \u092f\u0939 \u091c\u093e\u0928\u0928\u093e \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948 \u0915\u093f \u0915\u093f\u0938 \u0921\u0947\u091f\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u0948<\/td>\n<\/tr>\n<tr>\n<td>\u0915\u094d\u0937\u092e\u0924\u093e<\/td>\n<td>\u0905\u0927\u093f\u0915 \u0915\u0941\u0936\u0932 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u094b \u0905\u0927\u093f\u0915 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u0930\u0942\u092a \u0938\u0947 \u0928\u093f\u0930\u094d\u0926\u0947\u0936\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948<\/td>\n<td>\u092f\u0939 \u0915\u092e \u0915\u0941\u0936\u0932 \u0939\u094b \u0938\u0915\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u094b \u0921\u0947\u091f\u093e \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u093e \u0938\u092c\u0938\u0947 \u0905\u091a\u094d\u091b\u093e \u0924\u0930\u0940\u0915\u093e \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0915\u0930\u0928\u093e \u0939\u094b\u0917\u093e<\/td>\n<\/tr>\n<tr>\n<td>\u0909\u0926\u093e\u0939\u0930\u0923<\/td>\n<td>SQL \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u091c\u092c JOIN, WHERE \u0914\u0930 \u0905\u0928\u094d\u092f \u0938\u092e\u093e\u0928 \u0915\u092e\u093e\u0902\u0921 \u0915\u0947 \u0938\u093e\u0925 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/td>\n<td>SQL \u091c\u092c \u092e\u0942\u0932 SELECT \u0915\u0925\u0928\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u092e\u0947\u0902 \u0909\u092a\u092f\u094b\u0917, \u092e\u0941\u0926\u094d\u0926\u0947 \u0914\u0930 \u0938\u092e\u093e\u0927\u093e\u0928<\/h2>\n<p>\u0930\u093f\u092a\u094b\u0930\u094d\u091f \u0915\u0947 \u0932\u093f\u090f \u0938\u0930\u0932 \u0921\u0947\u091f\u093e \u092a\u0941\u0928\u0930\u094d\u092a\u094d\u0930\u093e\u092a\u094d\u0924\u093f \u0938\u0947 \u0932\u0947\u0915\u0930 \u0938\u0949\u092b\u093c\u094d\u091f\u0935\u0947\u092f\u0930 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u0915\u0947 \u092d\u0940\u0924\u0930 \u091c\u091f\u093f\u0932 \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u0924\u0915, \u0935\u093f\u092d\u093f\u0928\u094d\u0928 \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u0947 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u093e \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u0947 \u0905\u0928\u0941\u091a\u093f\u0924 \u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u0938\u094d\u0935\u0930\u0942\u092a \u0921\u0947\u091f\u093e \u092d\u094d\u0930\u0937\u094d\u091f\u093e\u091a\u093e\u0930, \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0914\u0930 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0938\u0902\u092c\u0902\u0927\u0940 \u0938\u092e\u0938\u094d\u092f\u093e\u090f\u0902 \u0939\u094b \u0938\u0915\u0924\u0940 \u0939\u0948\u0902\u0964<\/p>\n<p>\u0907\u0928 \u092e\u0941\u0926\u094d\u0926\u094b\u0902 \u0915\u094b \u0915\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f, \u0915\u0941\u091b \u0938\u0930\u094d\u0935\u094b\u0924\u094d\u0924\u092e \u092a\u094d\u0930\u0925\u093e\u0913\u0902 \u092e\u0947\u0902 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0902:<\/p>\n<ul>\n<li>\u0921\u0947\u091f\u093e \u0905\u0916\u0902\u0921\u0924\u093e \u0938\u0941\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0932\u0947\u0928\u0926\u0947\u0928 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u093e\u0964<\/li>\n<li>\u0906\u0915\u0938\u094d\u092e\u093f\u0915 \u0921\u0947\u091f\u093e \u0939\u093e\u0928\u093f \u0915\u094b \u0930\u094b\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f DELETE \u0914\u0930 UPDATE \u0915\u092e\u093e\u0902\u0921 \u0915\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u094b \u0938\u0940\u092e\u093f\u0924 \u0915\u0930\u0928\u093e\u0964<\/li>\n<li>\u0928\u093f\u092f\u092e\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u093e \u092c\u0948\u0915\u0905\u092a \u0932\u0947\u0928\u093e\u0964<\/li>\n<li>\u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u092e\u093e\u0902\u0921 \u0915\u094b \u0915\u094c\u0928 \u0928\u093f\u0937\u094d\u092a\u093e\u0926\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948, \u0907\u0938\u0947 \u0938\u0940\u092e\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u0909\u092a\u092f\u094b\u0917\u0915\u0930\u094d\u0924\u093e \u0905\u0928\u0941\u092e\u0924\u093f\u092f\u093e\u0901 \u0932\u093e\u0917\u0942 \u0915\u0930\u0928\u093e\u0964<\/li>\n<\/ul>\n<h2>\u0938\u092e\u093e\u0928 \u092d\u093e\u0937\u093e\u0913\u0902 \u0915\u0947 \u0938\u093e\u0925 \u0924\u0941\u0932\u0928\u093e<\/h2>\n<p>\u091c\u092c\u0915\u093f SQL \u0914\u0930 \u0907\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 DML \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092a\u094d\u0930\u092c\u0902\u0927\u0928 \u092e\u0947\u0902 \u092e\u093e\u0928\u0915 \u0909\u092a\u0915\u0930\u0923 \u092c\u0928 \u0917\u090f \u0939\u0948\u0902, \u0905\u0928\u094d\u092f \u092d\u093e\u0937\u093e\u090f\u0901 \u092d\u0940 \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u094d\u0937\u092e\u0924\u093e\u090f\u0902 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0940 \u0939\u0948\u0902\u0964 \u0926\u094b \u0909\u0932\u094d\u0932\u0947\u0916\u0928\u0940\u092f \u0909\u0926\u093e\u0939\u0930\u0923 XML \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u0932\u093f\u090f XQuery \u0914\u0930 RDF \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0915\u0947 \u0932\u093f\u090f SPARQL \u0939\u0948\u0902\u0964<\/p>\n<p>\u0907\u0928 \u092d\u093e\u0937\u093e\u0913\u0902 \u092e\u0947\u0902 SQL \u0914\u0930 DML \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 \u090f\u0915 \u0905\u0932\u0917 \u092b\u094b\u0915\u0938 \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u092e\u0947\u0902 XQuery \u0926\u0938\u094d\u0924\u093e\u0935\u0947\u091c\u093c \u091c\u0948\u0938\u0940 \u0921\u0947\u091f\u093e \u0938\u0902\u0930\u091a\u0928\u093e\u0913\u0902 \u092a\u0930 \u0914\u0930 SPARQL \u0938\u093f\u092e\u0947\u0902\u091f\u093f\u0915 \u0935\u0947\u092c \u0921\u0947\u091f\u093e \u092a\u0930 \u0927\u094d\u092f\u093e\u0928 \u0915\u0947\u0902\u0926\u094d\u0930\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0939\u093e\u0932\u093e\u0901\u0915\u093f, \u0935\u0947 \u0921\u0940\u090f\u092e\u090f\u0932 \u092e\u0947\u0902 \u092a\u093e\u090f \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 SELECT, INSERT, UPDATE \u0914\u0930 DELETE \u0915\u092e\u093e\u0902\u0921 \u0915\u0947 \u0938\u092e\u093e\u0928 \u0915\u094d\u0937\u092e\u0924\u093e\u090f\u0902 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h2>\u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u0915\u0947 \u0932\u093f\u090f \u092d\u0935\u093f\u0937\u094d\u092f \u0915\u0940 \u0938\u0902\u092d\u093e\u0935\u0928\u093e\u090f\u0901<\/h2>\n<p>\u091a\u0942\u0902\u0915\u093f \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0938\u0942\u091a\u0928\u093e \u092a\u094d\u0930\u094c\u0926\u094d\u092f\u094b\u0917\u093f\u0915\u0940 \u0915\u0940 \u0906\u0927\u093e\u0930\u0936\u093f\u0932\u093e \u092c\u0928\u093e \u0939\u0941\u0906 \u0939\u0948, \u0907\u0938\u0932\u093f\u090f \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u093e \u092e\u0939\u0924\u094d\u0935 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u092c\u0928\u093e \u0930\u0939\u0947\u0917\u093e\u0964 NoSQL \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0914\u0930 \u092c\u093f\u0917 \u0921\u0947\u091f\u093e \u092a\u094d\u0932\u0947\u091f\u092b\u093c\u0949\u0930\u094d\u092e \u091c\u0948\u0938\u0947 \u0935\u093f\u0915\u093e\u0938 \u0928\u0947 \u0928\u0908 \u091a\u0941\u0928\u094c\u0924\u093f\u092f\u093e\u0901 \u0914\u0930 \u0905\u0935\u0938\u0930 \u092a\u0948\u0926\u093e \u0915\u093f\u090f \u0939\u0948\u0902\u0964 \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u093e \u0935\u093f\u0915\u093e\u0938, \u092f\u093e \u0907\u0928 \u091a\u0941\u0928\u094c\u0924\u093f\u092f\u094b\u0902 \u0938\u0947 \u0928\u093f\u092a\u091f\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0928\u0908 \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e\u0913\u0902 \u0915\u093e \u0935\u093f\u0915\u093e\u0938, \u0926\u0947\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0906\u0915\u0930\u094d\u0937\u0915 \u0938\u094d\u0925\u093e\u0928 \u0939\u094b\u0917\u093e\u0964<\/p>\n<h2>\u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u0914\u0930 \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e \u0915\u093e \u0905\u0902\u0924\u0930\u094d\u0935\u093f\u0930\u094b\u0927<\/h2>\n<p>\u090f\u0915 \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u0905\u0928\u094d\u092f \u0938\u0930\u094d\u0935\u0930 \u0938\u0947 \u0938\u0902\u0938\u093e\u0927\u0928 \u092e\u093e\u0902\u0917\u0928\u0947 \u0935\u093e\u0932\u0947 \u0915\u094d\u0932\u093e\u0907\u0902\u091f \u0915\u0947 \u092c\u0940\u091a \u092e\u0927\u094d\u092f\u0938\u094d\u0925 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0915\u093e\u0930\u094d\u092f \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u091c\u092c\u0915\u093f \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u0938\u094d\u0935\u093e\u092d\u093e\u0935\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u0947 \u0938\u093e\u0925 \u0907\u0902\u091f\u0930\u0948\u0915\u094d\u091f \u0928\u0939\u0940\u0902 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u0935\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0905\u0928\u0941\u0930\u094b\u0927\u094b\u0902 \u0915\u094b \u092a\u094d\u0930\u092c\u0902\u0927\u093f\u0924 \u0915\u0930\u0928\u0947 \u0914\u0930 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0914\u0930 \u0917\u0941\u092e\u0928\u093e\u092e\u0940 \u092c\u0928\u093e\u090f \u0930\u0916\u0928\u0947 \u092e\u0947\u0902 \u092d\u0942\u092e\u093f\u0915\u093e \u0928\u093f\u092d\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<p>\u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f, \u090f\u0915 \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u0915\u094b \u0915\u0908 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u092e\u0947\u0902 \u0921\u0940\u090f\u092e\u090f\u0932 \u0905\u0928\u0941\u0930\u094b\u0927\u094b\u0902 \u0915\u0947 \u0932\u094b\u0921 \u0915\u094b \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0915\u0930\u0928\u0947, \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u092e\u0947\u0902 \u0938\u0941\u0927\u093e\u0930 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0949\u0928\u094d\u092b\u093c\u093f\u0917\u0930 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0915\u0947 \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924, \u092a\u094d\u0930\u0949\u0915\u094d\u0938\u0940 \u0938\u0930\u094d\u0935\u0930 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0905\u0928\u0941\u0930\u094b\u0927\u094b\u0902 \u0915\u094b \u0930\u0942\u091f \u0915\u0930\u0915\u0947, \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0917\u0941\u092e\u0928\u093e\u092e\u0940 \u0914\u0930 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0915\u0940 \u090f\u0915 \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 \u092a\u0930\u0924 \u091c\u094b\u0921\u093c\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948, \u091c\u093f\u0938\u0938\u0947 \u0926\u0941\u0930\u094d\u092d\u093e\u0935\u0928\u093e\u092a\u0942\u0930\u094d\u0923 \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u093e \u091c\u094b\u0916\u093f\u092e \u0915\u092e \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<h2>\u0938\u092e\u094d\u092c\u0902\u0927\u093f\u0924 \u0932\u093f\u0902\u0915\u094d\u0938<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.w3schools.com\/sql\/default.asp\" target=\"_new\" rel=\"noopener nofollow\">W3Schools \u0926\u094d\u0935\u093e\u0930\u093e SQL \u091f\u094d\u092f\u0942\u091f\u094b\u0930\u093f\u092f\u0932<\/a><\/li>\n<li><a href=\"https:\/\/www.dataversity.net\/sql-foundation-data-manipulation\/\" target=\"_new\" rel=\"noopener nofollow\">\u090f\u0938\u0915\u094d\u092f\u0942\u090f\u0932: \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u0947 \u0932\u093f\u090f \u092b\u093e\u0909\u0902\u0921\u0947\u0936\u0928<\/a><\/li>\n<li><a href=\"https:\/\/docs.oracle.com\/cd\/B19306_01\/server.102\/b14200\/statements_10002.htm\" target=\"_new\" rel=\"noopener nofollow\">Oracle \u0926\u094d\u0935\u093e\u0930\u093e \u0921\u0947\u091f\u093e \u0939\u0947\u0930\u092b\u0947\u0930 \u092d\u093e\u0937\u093e<\/a><\/li>\n<\/ul>\n<p>\u0921\u0940\u090f\u092e\u090f\u0932 \u0915\u094b \u0938\u092e\u091d\u0928\u0947 \u0914\u0930 \u0909\u091a\u093f\u0924 \u0924\u0930\u0940\u0915\u0947 \u0938\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947, \u0915\u094b\u0908 \u092d\u0940 \u0938\u0902\u0930\u091a\u093f\u0924 \u0921\u0947\u091f\u093e\u092c\u0947\u0938 \u0935\u093e\u0924\u093e\u0935\u0930\u0923 \u0915\u0947 \u092d\u0940\u0924\u0930 \u0921\u0947\u091f\u093e \u0915\u0947 \u0938\u093e\u0925 \u092a\u094d\u0930\u092d\u093e\u0935\u0940 \u0922\u0902\u0917 \u0938\u0947 \u092c\u093e\u0924\u091a\u0940\u0924 \u0914\u0930 \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948, \u091c\u094b \u0939\u092e\u093e\u0930\u0940 \u092c\u0922\u093c\u0924\u0940 \u0921\u0947\u091f\u093e-\u0938\u0902\u091a\u093e\u0932\u093f\u0924 \u0926\u0941\u0928\u093f\u092f\u093e \u092e\u0947\u0902 \u090f\u0915 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0915\u094c\u0936\u0932 \u0939\u0948\u0964<\/p>","protected":false},"featured_media":476665,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476664","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Data Manipulation Language: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Data Manipulation Language?","answer":"<p>Data Manipulation Language (DML) is a subset of SQL (Structured Query Language) used to retrieve, insert, modify, and delete data in a database. It is primarily designed to facilitate efficient and flexible manipulation of data within a structured database environment.<\/p>"},{"question":"What is the history of Data Manipulation Language?","answer":"<p>DML originated from the development of SQL in the 1970s by Raymond F. Boyce and Donald D. Chamberlin at IBM. They first introduced DML as part of the SQL language in a 1974 paper called \"SEQUEL: A Structured English Query Language\". Since then, DML has evolved and has been widely adopted in various database management systems (DBMS), becoming a standard part of ANSI and ISO SQL standards.<\/p>"},{"question":"What are the key features of Data Manipulation Language?","answer":"<p>Key features of DML include simplicity, flexibility, powerful data handling, and data consistency. DML commands are simple and easy to understand, allow data manipulation at both record and set levels, can efficiently handle a large volume of data, and ensure the integrity and consistency of the data within the database.<\/p>"},{"question":"What are the types of Data Manipulation Language?","answer":"<p>There are two types of DML: Procedural and Non-Procedural. Procedural DML requires a user to specify what data is needed and how to get it. In contrast, Non-Procedural DML requires a user to specify what data is needed without dictating how to get it.<\/p>"},{"question":"What problems can arise from using Data Manipulation Language, and how can they be solved?","answer":"<p>Improper use of DML can result in data corruption, data loss, and performance issues. These problems can be mitigated by using transactions to ensure data integrity, limiting the use of the DELETE and UPDATE commands to prevent accidental data loss, regularly backing up the database, and applying appropriate user permissions to limit who can execute DML commands.<\/p>"},{"question":"How are proxy servers associated with Data Manipulation Language?","answer":"<p>While proxy servers don't inherently interact with DML, they can be configured to manage database requests, thereby maintaining security and anonymity. For instance, a proxy server can balance the load of DML requests across multiple databases, improving performance. Additionally, by routing database requests through a proxy server, an extra layer of security and anonymity is added to the data manipulation process.<\/p>"},{"question":"What are the future prospects for Data Manipulation Language?","answer":"<p>As databases continue to be central to information technology, DML's relevance is expected to remain significant. With the advent of NoSQL databases and Big Data platforms, there are new challenges and opportunities for DML. The evolution of DML to handle these challenges, or the development of new data manipulation languages, is an area to watch in the future.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/wiki\/476664","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\/476664\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/media\/476665"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/in\/wp-json\/wp\/v2\/media?parent=476664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}