{"id":178227,"date":"2024-12-23T07:08:00","date_gmt":"2024-12-23T15:08:00","guid":{"rendered":"https:\/\/blog.everpuredata.com\/?p=178227"},"modified":"2026-04-19T18:33:19","modified_gmt":"2026-04-20T01:33:19","slug":"sql-update-vs-insert-vs-upsert","status":"publish","type":"post","link":"https:\/\/blog.everpuredata.com\/zh-hant\/purely-technical\/sql-update-vs-insert-vs-upsert\/","title":{"rendered":"SQL \u66f4\u65b0 vs. INSERT vs. UPSERT"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-medium-font-size is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<div class=\"wp-block-group is-content-justification-right is-nowrap is-layout-flex wp-container-core-group-is-layout-f726d978 wp-block-group-is-layout-flex\"><div class=\"pdfprnt-buttons\"><a href=\"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/posts\/178227?print=pdf\" class=\"pdfprnt-button pdfprnt-button-pdf\" target=\"_blank\" ><img decoding=\"async\" src=\"https:\/\/blog.everpuredata.com\/wp-content\/plugins\/pdf-print-pro\/images\/pdf.png?1953174090\" alt=\"image_pdf\" title=\"View PDF\" \/><\/a><a href=\"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/posts\/178227?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\" ><img decoding=\"async\" src=\"https:\/\/blog.everpuredata.com\/wp-content\/plugins\/pdf-print-pro\/images\/print.png?245231721\" alt=\"image_print\" title=\"Print Content\" \/><\/a><\/div>\n<\/div>\n\n\n\n<div id=\"CONTENT\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u5728\u4efb\u4f55\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u60a8\u90fd\u5fc5\u9808\u5c07\u8a18\u9304\u65b0\u589e\u81f3\u8cc7\u6599\u5eab\u8868\u683c\uff0c\u4e26\u8b8a\u66f4\u5132\u5b58\u7684\u8cc7\u8a0a\u3002\u66f4\u65b0 SQL \u9673\u8ff0\u5f0f\u6703\u8b8a\u66f4\u5132\u5b58\u5728\u8cc7\u6599\u5eab\u4e2d\u7684\u8cc7\u6599\uff0c\u800c INSERT \u9673\u8ff0\u5f0f\u6703\u5c07\u65b0\u7684\u8a18\u9304\u52a0\u5165\u8868\u683c\u4e2d\u3002UPSERT \u8072\u660e\u662f INSERT \u548c UPDATE \u7684\u7d44\u5408\uff0c\u82e5\u8a18\u9304\u4e0d\u5b58\u5728\uff0c\u5247\u57f7\u884c\u66f4\u65b0\u6216\u65b0\u589e\u8a18\u9304\u3002\u5728\u9019\u88e1\uff0c\u6211\u5011\u5c07\u8a0e\u8ad6 SQL \u66f4\u65b0 vs. INSERT vs. UPSERT\u3002<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-use-update-in-sql-examples\">\u5982\u4f55\u5728 SQL \u4e2d\u4f7f\u7528\u66f4\u65b0\uff1a\u7bc4\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u66f4\u65b0\u8072\u660e\u6703\u4ee5\u60a8\u6307\u5b9a\u7684\u65b0\u8cc7\u8a0a\u66f4\u65b0\u76ee\u524d\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u5ba2\u6236\u53ef\u80fd\u6703\u79fb\u52d5\u4e26\u8b8a\u66f4\u96fb\u5b50\u5546\u52d9\u8868\u683c\u4e2d\u7684\u806f\u7d61\u8cc7\u8a0a\uff0c\u800c\u66f4\u65b0\u8072\u660e\u5247\u5c07\u57f7\u884c\u8b8a\u66f4\u3002\u60a8\u5728\u8cc7\u6599\u5eab\u4e2d\u6240\u505a\u7684\u4efb\u4f55\u8b8a\u66f4\u90fd\u5c07\u4f7f\u7528 UPDATE \u8072\u660e\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u7684\u662f\u8981\u6ce8\u610f\uff0c\u512a\u5316\u67e5\u8a62\u53ef\u964d\u4f4e\u8cc7\u6599\u5eab\u5ef6\u9072\u3002\u6700\u4f73\u5316\u7684 UPDATE \u67e5\u8a62\u53ef\u5c07\u8cc7\u6599\u8655\u7406\u6642\u9593\u7e2e\u77ed\u81f3\u5e7e\u6beb\u79d2\u3002\u57fa\u790e\u67b6\u69cb\u5c0d\u65bc\u5927\u5bb9\u91cf\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u7684\u4f4e\u5ef6\u9072\u4e5f\u5f88\u91cd\u8981\u3002\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u958b\u59cb\u3002\u7d93\u5e38\u66f4\u65b0\u7684\u7d22\u5f15\u6b04\u6709\u52a9\u65bc\u63d0\u5347\u6548\u80fd\u3002\u5728\u5927\u578b\u4e26\u884c\u5de5\u4f5c\u8ca0\u8f09\u4e2d\uff0c\u8cc7\u6599\u5eab\u958b\u767c\u4eba\u54e1\u53ef\u80fd\u5fc5\u9808\u4f7f\u7528\u9694\u96e2\u7b49\u7d1a\u4f86\u9632\u6b62\u8072\u660e\u4e5f\u5f71\u97ff\u5176\u4ed6\u8072\u660e\u7684\u8655\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u6b64\u4e4b\u5916\uff0c\u958b\u767c\u4eba\u54e1\u548c\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u7684\u7a0b\u5f0f\u78bc\u61c9\u8a72\u6703\u767c\u751f\u932f\u8aa4\u3002\u9019\u4e9b\u7bc4\u4f8b\u986f\u793a\u5982\u4f55\u57f7\u884c\u6bcf\u500b\u6307\u4ee4\uff0c\u4f46\u60a8\u7684\u696d\u52d9\u908f\u8f2f\u61c9\u6c7a\u5b9a\u5728\u932f\u8aa4\u89f8\u767c\u6642\u8a72\u600e\u9ebc\u505a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8cc7\u6599\u5eab\u7121\u6cd5\u63d2\u5165\u65b0\u7684\u5ba2\u6236\u8a18\u9304\uff0c\u8acb\u901a\u77e5\u4f7f\u7528\u8005\u518d\u8a66\u4e00\u6b21\uff0c\u6216\u806f\u7d61\u5ba2\u6236\u670d\u52d9\u3002\u8cc7\u6599\u5eab\u5ef6\u9072\u3001\u932f\u8aa4\u548c\u6700\u4f73\u5316\u8b66\u544a\u53ef\u900f\u904e\u6548\u80fd\u76e3\u63a7\u5de5\u5177\u9054\u6210\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><a href=\"https:\/\/support.purestorage.com\/Solutions\/Microsoft_Platform_Guide\/Microsoft_SQL_Server\/001_Microsoft_SQL_Server_Quick_Reference\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"><em>\u5728 SQL \u4e2d\u66f4\u65b0\uff1a\u7bc4\u4f8b<\/em><\/span><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u5c0d\u65bc\u5927\u591a\u6578 SQL \u66f4\u65b0\u9673\u8ff0\uff0c\u60a8\u90fd\u4f7f\u7528 WHERE \u689d\u6b3e\u3002WHERE \u689d\u6b3e\u6c7a\u5b9a\u54ea\u4e9b\u8a18\u9304\u5c07\u88ab\u66f4\u65b0\uff0c\u800c\u5176\u4ed6\u8a18\u9304\u5247\u4fdd\u6301\u4e0d\u8b8a\u3002\u5982\u679c\u60a8\u5728\u57f7\u884c UPDATE \u8072\u660e\u6642\u672a\u4f7f\u7528 WHERE \u689d\u6b3e\uff0c\u8cc7\u6599\u5eab\u5c07\u5c0d\u8cc7\u6599\u5eab\u4e2d\u7684\u6240\u6709\u8a18\u9304\u9032\u884c\u8b8a\u66f4\uff0c\u9019\u53ef\u80fd\u662f\u4e00\u500b\u932f\u8aa4\u3002\u78ba\u4fdd SQL \u9673\u8ff0\u5f0f\u4e2d\u6709 WHERE \u689d\u6b3e\uff0c\u4ee5\u907f\u514d\u6b64\u932f\u8aa4\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">UPDATE \u9673\u8ff0\u5f0f\u8a9e\u6cd5\u53d6\u6c7a\u65bc\u60a8\u4f7f\u7528\u7684\u8cc7\u6599\u5eab\u5f15\u64ce\u3002MySQL \u548c Oracle SQL \u8cc7\u6599\u5eab\u7684\u66f4\u65b0\u9673\u8ff0\u4f7f\u7528\u985e\u4f3c\u7684\u8a9e\u6cd5\u3002\u4ee5\u4e0b\u7bc4\u4f8b\u5c07\u5ba2\u6236\u7684\u540d\u5b57\u6539\u70ba &#8220;john&#8221;\uff0c\u5176\u4e2d\u5ba2\u6236\u7684 ID \u70ba 44\u3002<\/span><br\/><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-9fb060728f0b41b7f683ce8c33de361b\" id=\"h-mysql-update-command\"><strong>MySQL\uff1a\u66f4\u65b0\u6307\u4ee4<br\/><\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\u66f4\u65b0\u5ba2\u6236\n\nSET first_name = \u2018John\u2019\n\n\u5176\u4e2d ID = 44\uff1b<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-ea7c77d95e904a47d0251f994218afe5\" id=\"h-oracle-sql-update-command\"><strong>Oracle SQL\uff1a\u66f4\u65b0\u6307\u4ee4<br\/><\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\u66f4\u65b0\u5ba2\u6236\n\nSET first_name = \u2018John\u2019\n\n\u5176\u4e2d ID = 44\uff1b<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-use-insert-in-sql-examples\">\u5982\u4f55\u5728 SQL \u4e2d\u4f7f\u7528 INSERT\uff1a\u7bc4\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u7576\u60a8\u8981\u5c07\u65b0\u8a18\u9304\u65b0\u589e\u81f3\u8868\u683c\u4e2d\u6642\uff0c\u8acb\u4f7f\u7528 INSERT SQL \u9673\u8ff0\u5f0f\u3002\u5927\u591a\u6578\u8cc7\u6599\u5eab\u8a2d\u8a08\u8005\u6703\u5efa\u7acb\u9810\u8a2d\u6b04\uff0c\u70ba\u6bcf\u4e00\u7b46\u8a18\u9304\u63d0\u4f9b\u552f\u4e00\u8b58\u5225\u78bc\u3002\u552f\u4e00\u8b58\u5225\u78bc\u6703\u81ea\u52d5\u586b\u5165\uff0c\u56e0\u6b64\u60a8\u4e0d\u5fc5\u624b\u52d5\u63d2\u5165\uff0c\u4e26\u5141\u8a31\u8cc7\u6599\u5eab\u5f15\u64ce\u70ba\u60a8\u57f7\u884c\u3002\u60a8\u7121\u6cd5\u5c07\u91cd\u8907\u503c\u63d2\u5165\u8b58\u5225\u78bc\u5217\uff0c\u56e0\u6b64\u8b93\u8cc7\u6599\u5eab\u70ba\u60a8\u9032\u884c\u6b64\u4f5c\u696d\u6703\u66f4\u6709\u6548\u7387\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u5728\u4ee5\u4e0b\u7bc4\u4f8b\u4e2d\uff0c\u65b0\u5ba2\u6236\u6703\u65b0\u589e\u81f3\u5ba2\u6236\u8868\u683c\u4e2d\uff0c\u4e26\u5728\u9069\u7576\u7684\u6b04\u4e2d\u586b\u5165\u540d\u5b57\u548c\u59d3\u6c0f\u3002\u8acb\u6ce8\u610f\uff0c\u5404\u6b04\u7684\u5b9a\u7fa9\u8207\u8981\u5206\u5225\u52a0\u5165\u5404\u6b04\u7684\u503c\u3002<\/span><br\/><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-2156ca35e41b9e29c7b2411f37421636\" id=\"h-mysql-update-command-0\"><strong>MySQL\uff1a\u66f4\u65b0\u6307\u4ee4<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\u63d2\u5165\u5ba2\u6236 (first_name, last_name)\n\n\u50f9\u503c\u89c0\uff08\u5f37\u751f\u3001\u53f2\u5bc6\u65af\uff09\nOracle SQL\uff1a\u66f4\u65b0\u6307\u4ee4\n\u63d2\u5165\u5ba2\u6236 (first_name, last_name)\n\n\u50f9\u503c\u89c0\uff08\u5f37\u751f\u3001\u53f2\u5bc6\u65af\uff09<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-use-upsert-in-sql-examples\">\u5982\u4f55\u5728 SQL \u4e2d\u4f7f\u7528 UPSERT\uff1a\u7bc4\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">UPSERT \u6307\u4ee4\u662f\u975e\u5e38\u6709\u7528\u7684\u9673\u8ff0\uff0c\u53ea\u6709\u5728\u8cc7\u6599\u884c\u4e0d\u5b58\u5728\u6642\u624d\u8981\u63d2\u5165\u8cc7\u6599\u884c\u3002\u5982\u679c\u5b83\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u8cc7\u6599\u5eab\u6703\u66f4\u65b0\u8a18\u9304\uff0c\u800c\u6539\u7528\u65b0\u8cc7\u8a0a\u3002Oracle \u8cc7\u6599\u5eab\u5f15\u64ce\u6709\u7279\u5b9a\u7684 UPSERT \u6307\u4ee4\u3002\u4f7f\u7528 MySQL \u6642\uff0c\u547d\u4ee4\u6703\u6539\u7528 REPLACE \u4e00\u8a5e\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4eba\u54e1\u4f7f\u7528 UPSERT \u6307\u4ee4\u4f86\u907f\u514d\u91cd\u8907\u8a18\u9304\uff0c\u5c24\u5176\u662f\u7576\u4ed6\u5011\u64c1\u6709\u8207\u4e4b\u9023\u7d50\u7684\u552f\u4e00\u8b58\u5225\u78bc\u6642\uff0c\u61c9\u7528\u7a0b\u5f0f\u8072\u660e\u4e0d\u61c9\u56e0\u5148\u524d\u5b58\u5728\u7684\u8a18\u9304\u800c\u63d2\u5165\u8a18\u9304\u3002\u7576\u60a8\u5c07\u8cc7\u6599\u5f9e\u4e00\u500b\u8868\u683c\u532f\u5165\u5230\u53e6\u4e00\u500b\u8868\u683c\u6642\uff0c\u901a\u5e38\u6703\u767c\u751f\u9019\u7a2e\u60c5\u5f62\uff0c\u800c\u4e14\u53ef\u80fd\u5b58\u5728\u91cd\u8907\u7684\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u60a8\u5f9e\u6536\u8cfc\u7684\u4f01\u696d\u53d6\u5f97\u5ba2\u6236\u8a18\u9304\u6e05\u55ae\uff0c\u4e26\u77e5\u9053\u6709\u4e9b\u5ba2\u6236\u5df2\u7d93\u5728\u76ee\u524d\u7684\u4f01\u696d\u8cc7\u6599\u5eab\u4e2d\u3002UPSERT \u8072\u660e\u53ea\u6703\u66f4\u65b0\u73fe\u6709\u5ba2\u6236\uff0c\u4e26\u65b0\u589e\u4e0d\u5b58\u5728\u7684\u65b0\u5ba2\u6236\u3002<\/span><br\/><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-881494ec5b2490f2187b52df0ef2e028\" id=\"h-mysql-update-command-1\"><strong>MySQL\uff1a\u66f4\u65b0\u6307\u4ee4<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\u53d6\u4ee3\u5ba2\u6236\uff08ID\u3001 first_name, last_name)\n\n\u50f9\u503c\uff0844\u3001John\u3001Smith\uff09<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c\u5982\u679c\u8b58\u5225\u78bc\u70ba 44 \u7684\u5ba2\u6236\u5df2\u7d93\u5b58\u5728\uff0c\u539f\u59cb\u8a18\u9304\u5c07\u88ab\u522a\u9664\uff0c\u7136\u5f8c\u65b0\u589e\u8b58\u5225\u78bc\u70ba 44 \u7684\u65b0\u5ba2\u6236\u8a18\u9304\u3002\u8acb\u52d9\u5fc5\u8a18\u4f4f\uff0cREPLACE \u6307\u4ee4\u4e0d\u6703\u5728\u6280\u8853\u4e0a\u66f4\u65b0\u4efb\u4f55\u8cc7\u6599\u3002\u800c\u662f\u522a\u9664\u4e26\u91cd\u65b0\u65b0\u589e\u5217\u81f3\u8868\u683c\u4e2d\u3002<\/span><br\/><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-0a722db6f7509f728a118b5cdd21886c\" id=\"h-oracle-sql-update-command-0\"><strong>Oracle SQL\uff1a\u66f4\u65b0\u6307\u4ee4<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">UPSERT \u5ba2\u6236\uff08ID\u3001 first_name, last_name)\n\n\u50f9\u503c\uff0844\u3001John\u3001Smith\uff09<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u4f7f\u7528 Oracle\uff0cUPSERT \u6307\u4ee4\u6703\u4ee5 44 \u7684\u8b58\u5225\u78bc\u66f4\u65b0\u5ba2\u6236\uff0c\u800c\u4e0d\u662f\u522a\u9664\u4e26\u91cd\u65b0\u65b0\u589e\u3002\u5982\u679c\u8a18\u9304\u4e0d\u5b58\u5728\uff0cOracle \u5f15\u64ce\u6703\u5c07\u5ba2\u6236\u8a18\u9304\u52a0\u5165\u8868\u683c\u4e2d\u3002<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-77a3ab6cb8f247482bf86529a0eb0302\"><strong>PostGreSQL\uff1a\u63d2\u5165\u6307\u4ee4<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">PostGreSQL \u6c92\u6709\u7279\u5b9a\u7684 UPSERT \u9673\u8ff0\u5f0f\uff0c\u4f46\u5b83\u652f\u63f4\u4e00\u7a2e INSERT\uff0c\u4f3a\u670d\u5668\u53ea\u6709\u5728\u65b0\u7684\u8a18\u9304\u4e0d\u5b58\u5728\u6642\uff0c\u624d\u6703\u63d2\u5165\u5b83\u3002\u5982\u679c\u8a18\u9304\u5b58\u5728\uff0c\u8868\u683c\u9650\u5236\u61c9\u6368\u68c4\u932f\u8aa4\uff0c\u4e26\u57f7\u884c UPDATE \u800c\u975e INSERT \u9673\u8ff0\u5f0f\u3002PostGreSQL \u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\u63d2\u5165\u7522\u54c1\uff08ID\u3001\u540d\u7a31\u3001\u50f9\u683c\u3001\u6578\u91cf\uff09\n\n\u50f9\u503c \uff081\uff0c 'WidgetA'\uff0c 20.99\uff0c 90\uff09\n\n\u885d\u7a81\uff08id\uff09\n\n\u9032\u884c\u66f4\u65b0\u8a2d\u5b9a\n\n\u00a0\u00a0\u50f9\u683c = EXCLUDED.price\uff0c\n\n\u00a0\u00a0\u6578\u91cf = \u6392\u9664\u6578\u91cf\uff1b<\/pre><\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-4ecd8f907bb48c6dfc312873c6591700\"><strong>SQL Server \u5408\u4f75\u547d\u4ee4<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft SQL Server \u4e5f\u4e0d\u652f\u63f4 UPSERT \u9673\u8ff0\u5f0f\uff0c\u4f46\u958b\u767c\u4eba\u54e1\u53ef\u4ee5\u4f7f\u7528 MERGE \u547d\u4ee4\u4f86\u57f7\u884c\u985e\u4f3c\u52d5\u4f5c\u3002MERGE \u9673\u8ff0\u5f0f\u6703\u53d6\u5f97\u4f86\u6e90\u8cc7\u6599\u96c6\uff0c\u4e26\u5c07\u5176\u8207\u8868\u683c\u5408\u4f75\uff0c\u4f46\u53ea\u6709\u5728\u8cc7\u6599\u5217\u4e0d\u5b58\u5728\u6642\u624d\u63d2\u5165\u65b0\u8a18\u9304\u3002\u5982\u679c\u5217\u5b58\u5728\uff0cMERGE \u9673\u8ff0\u5f0f\u5c07\u66f4\u65b0\u8a18\u9304\u3002\u00a0<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\u5408\u4f75\u7522\u54c1 P\n\n\u5728 P.ID \u4e0a\u4f7f\u7528 new_products_source S=S.ID\n\n\u914d\u5c0d\u6642\n\n\u66f4\u65b0\u8a2d\u5b9a\u50f9\u683c=S.price\uff0c\u540d\u7a31=S.name\uff0c\u6578\u91cf=S.quantity\uff1b<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-625809dd781b7a985533add21f8cad5b\" id=\"h-mongodb-update-command\"><strong>MongoDB\uff1a\u00a0 \u66f4\u65b0\u6307\u4ee4<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">MongoDB \u6709\u4e00\u500b UPDATE \u6307\u4ee4\u53c3\u6578\uff0c\u53ef\u544a\u8a34\u8cc7\u6599\u5eab\u57f7\u884c UPSERT \u9673\u8ff0\u5f0f\u3002\u8207\u5176\u4ed6\u8cc7\u6599\u5eab\u4e00\u6a23\uff0cMongoDB \u53ea\u6709\u5728\u8a18\u9304\u4e0d\u5b58\u5728\u6642\u624d\u6703\u63d2\u5165\u65b0\u8a18\u9304\u3002\u5982\u679c\u78ba\u5be6\u5b58\u5728\uff0c\u8cc7\u6599\u5eab\u5c07\u57f7\u884c\u4e26\u66f4\u65b0\u8a18\u9304\u3002<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">db.products.update\uff08\n\n{ title: \"Red Widget\" },\n\n{ $inc: { price: 19.00 } },\n\n{ upsert: true }\n\n)<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-update-vs-insert-differences-in-sql\">\u66f4\u65b0 vs. \u63d2\u5165\uff1aSQL \u7684\u5dee\u7570<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u5927\u591a\u6578\u61c9\u7528\u7a0b\u5f0f\u4f7f\u7528\u6578\u500b UPDATE \u548c INSERT \u9673\u8ff0\u5f0f\u4f86\u7ba1\u7406\u8cc7\u6599\u3002\u7576\u60a8\u9700\u8981\u65b0\u589e\u8a18\u9304\u6642\uff0c\u5fc5\u9808\u63d2\u5165\u5c0d\u5e33\u55ae\u3002\u7576\u60a8\u9700\u8981\u8b8a\u66f4\u5df2\u5132\u5b58\u7684\u8cc7\u6599\u6642\uff0c\u5fc5\u9808\u66f4\u65b0\u8072\u660e\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">INSERT \u9673\u8ff0\u5f0f\u9700\u8981\u6240\u6709\u5fc5\u9808\u586b\u5165\u5fc5\u8981\u503c\u7684\u6b04\u3002\u66f4\u65b0\u8072\u660e\u4e0d\u9700\u8981 WHERE \u689d\u6b3e\uff0c\u4f46\u5982\u679c\u6392\u9664\uff0c\u6240\u6709\u8a18\u9304\u90fd\u6703\u4ee5\u7279\u5b9a\u8cc7\u6599\u9032\u884c\u66f4\u65b0\u3002\u60a8\u4e0d\u592a\u53ef\u80fd\u60f3\u8981\u66f4\u65b0\u6240\u6709\u8a18\u9304\uff0c\u56e0\u6b64\u8acb\u52d9\u5fc5\u5305\u542b WHERE \u689d\u6b3e\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u60a8\u7121\u6cd5\u7528 UPDATE \u53d6\u4ee3 INSERT\uff0c\u4f46 UPSERT \u8072\u660e\u662f\u5f88\u597d\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u4f7f\u7528 UPSERT \u8072\u660e\uff0c\u8cc7\u6599\u5eab\u6703\u66f4\u65b0\u53ef\u7528\u8a18\u9304\uff0c\u5982\u679c\u8a18\u9304\u4e0d\u5b58\u5728\uff0c\u5247\u5c07\u5176\u63d2\u5165\u8868\u683c\u4e2d\u3002INSERT \u6bd4 UPDATE \u8072\u660e\u66f4\u5feb\uff0c\u524d\u63d0\u662f\u8cc7\u6599\u5eab\u5df2\u59a5\u5584\u512a\u5316\u3002<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-upsert-vs-update-and-insert-which-is-better\">UPSERT vs. \u66f4\u65b0\u8207\u63d2\u5165\uff1a\u54ea\u4e00\u500b\u6bd4\u8f03\u597d\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u60a8\u4f7f\u7528\u7684\u9673\u8ff0\u53d6\u6c7a\u65bc\u60a8\u8981\u5982\u4f55\u8655\u7406\u8cc7\u6599\u5eab\u4e2d\u7684\u8cc7\u6599\u3002\u5c31\u6548\u80fd\u800c\u8a00\uff0cINSERT \u6bd4 UPSERT \u66f4\u597d\uff0c\u4f46\u60a8\u7121\u6cd5\u907f\u514d\u4f7f\u7528\u66f4\u65b0\u8072\u660e\uff0c\u9700\u8981\u4e00\u7a2e\u65b9\u6cd5\u4f86\u9a57\u8b49\u8a18\u9304\u4e0d\u5b58\u5728\u3002UPSERT \u8072\u660e\u7c21\u5316\u4e86\u6574\u500b\u6d41\u7a0b\uff0c\u800c\u4e0d\u5fc5\u5728\u5132\u5b58\u7684\u7a0b\u5e8f\u4e2d\u5beb\u51fa\u8f03\u9577\u7684 IF \u8072\u660e\u3002<\/span>\u7576\u60a8\u6709\u5927\u91cf\u66f4\u65b0\u6216\u63d2\u5165\u5c0d\u5e33\u55ae\u4ee5\u532f\u5165\u8cc7\u6599\uff0c\u800c\u4e0d\u5e0c\u671b\u91cd\u8907\u6642\uff0cUPSERT \u5c0d\u5e33\u55ae\u7684\u6548\u80fd\u6703\u66f4\u597d\u3002\u60a8\u4e00\u6b21\u5b8c\u6210\u66f4\u65b0\u548c\u63d2\u5165\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-when-to-use-update-in-sql\">\u4f55\u6642\u5728 SQL \u4e2d\u4f7f\u7528\u66f4\u65b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u8cc7\u6599\u5eab\u8868\u4e2d\u552f\u4e00\u8b8a\u66f4\u8cc7\u6599\u7684\u65b9\u5f0f\uff0c\u5c31\u662f\u4f7f\u7528 UPDATE \u8072\u660e\u3002\u61c9\u7528\u7a0b\u5f0f\u6703\u56e0\u5404\u7a2e\u539f\u56e0\u4e0d\u65b7\u8b8a\u66f4\u8cc7\u6599\uff0c\u4e26\u5728\u5f8c\u7aef\u4f7f\u7528 SQL \u66f4\u65b0\u8072\u660e\u3002\u7576\u60a8\u5728\u7dda\u4e0a\u8b8a\u66f4\u5e33\u865f\u7684\u806f\u7d61\u8cc7\u8a0a\u3001\u4fe1\u7528\u5361\u8cc7\u6599\u6216\u904b\u9001\u5730\u5740\u6642\uff0c\u5f8c\u7aef\u61c9\u7528\u7a0b\u5f0f\u7cfb\u7d71\u5f88\u53ef\u80fd\u6703\u57f7\u884c\u66f4\u65b0\u5c0d\u5e33\u55ae\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u60a8\u53ea\u9700\u8981\u7de8\u8f2f\u8cc7\u6599\u6642\uff0c\u8acb\u4f7f\u7528\u66f4\u65b0\uff0c\u800c\u91cd\u8907\u8cc7\u6599\u4e26\u975e\u554f\u984c\u3002\u7c21\u55ae\u7684 UPDATE \u9673\u8ff0\u5f0f\u4e26\u4e0d\u6162\uff0c\u4f46\u9700\u8981\u7de8\u8f2f\u7684\u6b04\u548c\u5217\u8d8a\u591a\uff0c\u53ef\u80fd\u6703\u6e1b\u6162\u8cc7\u6599\u5eab\u670d\u52d9\u7684\u901f\u5ea6\u3002\u5728\u975e\u5c16\u5cf0\u6642\u6bb5\u57f7\u884c\u5927\u6279\u66f4\u65b0\u8072\u660e\u53ef\u80fd\u6703\u6709\u6240\u5e6b\u52a9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-when-to-use-insert-in-sql\">\u4f55\u6642\u5728 SQL \u4e2d\u4f7f\u7528 INSERT<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\u7576\u60a8\u8981\u5c07\u8a18\u9304\u65b0\u589e\u81f3\u8868\u683c\u6642\uff0c\u9700\u8981 INSERT \u9673\u8ff0\u5f0f\u3002\u6bcf\u7576\u60a8\u8a3b\u518a\u61c9\u7528\u7a0b\u5f0f\uff0c\u6216\u5f9e\u96fb\u5b50\u5546\u52d9\u5546\u5e97\u8a02\u8cfc\u65b0\u7522\u54c1\u6642\uff0c\u5f8c\u7aef\u8cc7\u6599\u5eab\u4f7f\u7528 INSERT SQL \u9673\u8ff0\u5f0f\u5c07\u65b0\u8a18\u9304\u52a0\u5165\u8cc7\u6599\u5eab\u3002\u65b0\u7684\u8a18\u9304\u4e4b\u5f8c\u53ef\u4ee5\u7528 UPDATE \u9673\u8ff0\u5f0f\u8b8a\u66f4\uff0c\u4f46\u5148\u7528 INSERT \u9673\u8ff0\u5f0f\u5efa\u7acb\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">INSERT \u9673\u8ff0\u5f0f\u901a\u5e38\u5feb\u901f\u3002\u7576\u60a8\u9700\u8981\u65b0\u589e\u8a18\u9304\u6642\uff0c\u9019\u662f\u7121\u6cd5\u907f\u514d\u7684\u3002\u5982\u540c UPDATE \u8072\u660e\uff0c\u5982\u679c\u5927\u578b\u63d2\u9801\uff08\u4f8b\u5982\u5f9e\u975c\u614b\u6a94\u6848\u532f\u5165\u8cc7\u6599\uff09\u5728\u975e\u5c16\u5cf0\u6642\u6bb5\u904b\u884c\uff0c\u5247\u53ef\u80fd\u6703\u66f4\u59a5\u5584\u5730\u512a\u5316\u3002\u7a3d\u6838\u8207\u8a18\u9304\u7684\u8a18\u9304\u6a94\u6848\u4f7f\u7528\u7c21\u6613\u7684 INSERT \u9673\u8ff0\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-when-to-use-upsert-in-sql\">\u4f55\u6642\u5728 SQL \u4e2d\u4f7f\u7528 UPSERT<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">UPSERT \u9673\u8ff0\u5f0f\u5728\u6240\u6709\u4e09\u500b\u6307\u4ee4\u4e2d\u90fd\u5177\u6709\u6700\u4f4e\u7684\u6548\u80fd\uff0c\u4f46\u7576\u60a8\u6709\u6578\u7b46\u8a18\u9304\u8981\u65b0\u589e\u81f3\u8868\u683c\uff0c\u4f46\u4e0d\u60f3\u91cd\u8907\u6642\uff0c\u5b83\u5c31\u6709\u5176\u76ee\u7684\u3002\u7576\u60a8\u5c07<a href=\"https:\/\/www.purestorage.com\/platform.html\" target=\"_blank\" rel=\"noopener\">\u8cc7\u6599<\/a>\u532f\u5165\u8868\u683c\u4e2d\uff0c\u4e26\u8a8d\u70ba\u53ef\u80fd\u6709\u91cd\u8907\u7684\u8a18\u9304\u6642\uff0c\u8acb\u4f7f\u7528 UPSERT \u8072\u660e\u4f86\u66f4\u65b0\u76ee\u524d\u7684\u8a18\u9304\uff0c\u800c\u975e\u65b0\u589e\u91cd\u8907\u7684\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u9700\u8981\u5c07\u5ba2\u6236\u5f9e\u5916\u90e8\u6a94\u6848\u532f\u5165\u8cc7\u6599\u5eab\u8868\u683c\uff0c\u5247 UPSERT \u8072\u660e\u53ef\u80fd\u6bd4\u4f7f\u7528 INSERT \u8072\u660e\u66f4\u5408\u9069\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60a8\u64c1\u6709\u53ef\u80fd\u6709\u91cd\u8907\u7684\u5927\u578b\u4f86\u6e90\u8cc7\u6599\u96c6\uff0c\u5247 UPSERT \u8072\u660e\u901a\u5e38\u5f88\u6709\u5e6b\u52a9\u3002\u4f8b\u5982\uff0c\u60a8\u4e0d\u60f3\u8907\u88fd\u7522\u54c1\u8868\uff0c\u6240\u4ee5\u60a8\u6703\u4f7f\u7528 UPSERT \u4f86\u4ee3\u66ff\u4f7f\u7528\u4e00\u500b INSERT \u9673\u8ff0\u5f0f\uff0c\u4e4b\u5f8c\u518d\u79fb\u9664\u91cd\u8907\u5167\u5bb9\u3002\u7576\u60a8\u6709\u5927\u91cf\u8cc7\u6599\u6642\uff0cUPSERT \u662f\u5f88\u68d2\u7684\uff0c\u4f46\u5982\u679c\u5b83\u5011\u88ab\u7528\u65bc\u6240\u6709\u4e0d\u5fc5\u8981\u7684 INSERT \u9673\u8ff0\u5f0f\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u5ef6\u9072\u554f\u984c\u3002\u53ea\u6709\u5728\u60a8\u53ef\u4ee5\u5c07\u91cd\u8907\u9805\u76ee\u532f\u5165\u4e3b\u8868\u683c\u6642\uff0c\u624d\u80fd\u4f7f\u7528 UPSERT\u3002<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-bottom-color:var(--wp--preset--color--secondary);border-bottom-width:1px\">\n<h2 class=\"wp-block-heading\" id=\"h-faq-0\">\u5e38\u898b\u554f\u7b54<\/h2>\n\n\n\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id116369_8d9d15-3a kt-accordion-has-8-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-basic kt-accodion-icon-side-left\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"0\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane116369_76602f-c6\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>UPSERT \u53ef\u7528\u65bc\u9ad8\u4e26\u884c\u6027\u5de5\u4f5c\u8ca0\u8f09\u662f\u5426\u5b89\u5168\uff1f<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">UPSERT \u901a\u5e38\u6bd4\u624b\u52d5\u6372\u8d77\u7684 &#8220;select then insert&#8221; \u908f\u8f2f\u5728\u9ad8\u4e26\u884c\u6027\u4e0b\u66f4\u5b89\u5168\uff0c\u56e0\u70ba\u885d\u7a81\u5075\u6e2c\u8207\u89e3\u6c7a\u662f\u5728\u55ae\u4e00\u539f\u5b50\u4f5c\u696d\u4e2d\u8655\u7406\u3002\u60a8\u4ecd\u7136\u9700\u8981\u78ba\u4fdd\u6709\u6b63\u78ba\u7684\u7d22\u5f15\u548c\u7368\u7279\u7684\u9650\u5236\uff0c\u4ee5\u4fbf\u8cc7\u6599\u5eab\u80fd\u5920\u5feb\u901f\u89e3\u6c7a\u885d\u7a81\uff0c\u4e26\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9396\u5b9a\u6216\u722d\u8ad6\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane116369_139c54-d2\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); white-space: normal;\">\u4f7f\u7528 INSERT \u6216 UPSERT \u6642\uff0c\u5982\u4f55\u907f\u514d\u5efa\u7acb\u91cd\u8907\u7684\u5217\uff1f<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">\u9632\u6b62\u91cd\u8907\u7684\u6700\u53ef\u9760\u65b9\u6cd5\u662f\u5728\u6b04\u6216\u4e00\u7d44\u6b04\u4e0a\u5b9a\u7fa9\u4e00\u500b\u4e3b\u9375\u6216\u552f\u4e00\u9650\u5236\uff0c\u5fc5\u9808\u552f\u4e00\uff0c\u7136\u5f8c\u570d\u7e5e\u8a72\u9650\u5236\u5beb\u4e0a\u60a8\u7684 INSERT \u6216 UPSERT\u3002\u8cc7\u6599\u5eab\u5f15\u64ce\u5c07\u5728\u5beb\u5165\u6642\u5f37\u5236\u57f7\u884c\u552f\u4e00\u6027\uff0c\u9019\u6bd4\u5617\u8a66\u624b\u52d5\u6aa2\u67e5\u61c9\u7528\u7a0b\u5f0f\u7a0b\u5f0f\u78bc\u4e2d\u7684\u73fe\u6709\u5217\u66f4\u53ef\u9760\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-6 kt-pane116369_a5f4ef-0d\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>\u6211\u4f55\u6642\u61c9\u4f7f\u7528 UPSERT\uff0c\u800c\u4e0d\u662f\u55ae\u7368\u7684 INSERT \u548c UPDATE \u8072\u660e\uff1f<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">\u7576\u60a8\u7d93\u5e38\u9700\u8981\u6839\u64da\u4f7f\u7528\u8005 ID \u6216\u8a02\u55ae ID \u7b49\u91d1\u9470\u5efa\u7acb\u6216\u66f4\u65b0\u76f8\u540c\u7684\u8a18\u9304\u6642\uff0cUPSERT \u6700\u6709\u7528\u3002\u5b83\u7c21\u5316\u4e86\u61c9\u7528\u908f\u8f2f\uff0c\u964d\u4f4e\u4e86\u201c\u6aa2\u67e5\u7136\u5f8c\u63d2\u5165\u201d\u6a21\u5f0f\u5c0e\u81f4\u7684\u6bd4\u8cfd\u60c5\u6cc1\u7684\u6a5f\u6703\uff0c\u4e26\u4e14\u901a\u5e38\u6bd4\u767c\u51fa\u55ae\u7368\u7684INSERT\u548cUPDATE\u9673\u8ff0\u5f0f\u6642\uff0c\u5c0e\u81f4\u8cc7\u6599\u5eab\u7684\u5f80\u8fd4\u6b21\u6578\u66f4\u5c11\u3002<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-7 kt-pane116369_9e18dd-10\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); white-space: normal;\">SQL UPDATE\u3001INSERT \u548c UPSERT \u4e4b\u9593\u7684\u4e3b\u8981\u5340\u5225\u662f\u4ec0\u9ebc\uff1f<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\"><code>INSERT<\/code>\u00a0\u65b0\u589e\u4e00\u5217\uff0c\u00a0<code>\u66f4\u65b0<\/code>\u00a0\u6703\u8b8a\u66f4\u5df2\u7b26\u5408\u60a8\u6a19\u6e96\u7684\u73fe\u6709\u5217\uff0c\u800c\u00a0<code>UPSERT<\/code>\u00a0\u5247\u900f\u904e\u63d2\u5165\u65b0\u5217\u4f86\u7d50\u5408\u5169\u7a2e\u884c\u70ba\uff0c\u6216\u5728\u627e\u4e0d\u5230\u7b26\u5408\u9805\u76ee\u6642\u66f4\u65b0\u73fe\u6709\u5217\u3002\u5f9e\u201c\u5275\u9020\u201d\u3001\u201c\u4fee\u6539\u201d\u548c\u201c\u5275\u9020\u6216\u4fee\u6539\u201d\u7684\u89d2\u5ea6\u601d\u8003\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u70ba\u6bcf\u500b\u4f7f\u7528\u6848\u4f8b\u9078\u64c7\u6b63\u78ba\u7684\u9673\u8ff0\u3002<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<div class=\"wp-block-group sticky-content has-mint-green-500-background-color has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-radius:20px;padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px\">\n<h2 class=\"wp-block-heading has-text-align-center has-ash-gray-500-color has-text-color has-link-color wp-elements-7fb7912fb56b6612d57017c585c57309\" id=\"h-title\" style=\"font-size:px\">\u63a2\u7d22\u7368\u7279 Vs. SQL \u4e2d\u7684\u7368\u7279\u4e4b\u8655<\/h2>\n\n\n\n<p class=\"has-text-align-center has-ash-gray-500-color has-text-color has-link-color wp-elements-9fdb12f75aab4a97ffd9c4e54f95175f wp-block-paragraph\" style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.208), 1rem);\">\u73fe\u5728\u60a8\u5df2\u7d93\u4e86\u89e3\u4f55\u6642\u4f7f\u7528 UPDATE\u3001INSERT \u548c UPSERT\uff0c\u8acb\u63a1\u53d6\u4e0b\u4e00\u6b65\u884c\u52d5\uff0c\u4e26\u91d0\u6e05\u7576\u60a8\u5728\u67e5\u8a62\u6642\u9700\u8981\u63a7\u5236\u91cd\u8907\u503c\u6642\uff0c\u00a0<code>DISTINCT<\/code>\u00a0\u548c\u00a0<code>UNIQUE<\/code>\u00a0\u6709\u4f55\u4e0d\u540c\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-f8bdad00 wp-block-buttons-is-layout-flex\" style=\"margin-top:1em;margin-bottom:1em\">\n<div class=\"wp-block-button is-style-outline button-sticky is-style-outline--2\"><a class=\"wp-block-button__link has-cloud-white-500-color has-basil-green-500-background-color has-text-color has-background has-link-color has-inter-font-family has-custom-font-size wp-element-button\" href=\"https:\/\/blog.everpuredata.com\/purely-educational\/sql-distinct-vs-unique\/\" style=\"border-style:none;border-width:0px;border-radius:4px;padding-top:14px;padding-right:16px;padding-bottom:14px;padding-left:16px;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.208), 16px);\" target=\"_blank\" rel=\"noreferrer noopener\">Read the Blog<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u63a2\u8a0e\u4e09\u500b SQL \u9673\u8ff0\uff1a\u66f4\u65b0\u3001\u63d2\u5165\u548c UPSERT\u3002\u5176\u4e2d\u5305\u542b\u4f7f\u7528\u65b9\u5f0f\u8207\u6642\u6a5f\u7684\u7bc4\u4f8b\u3002<\/p>\n","protected":false},"author":1,"featured_media":179078,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14636],"tags":[15198,16209],"content-position":[],"ppma_author":[14047],"class_list":["post-178227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-purely-technical","tag-database-zh-hant","tag-sql-zh-hant"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>SQL \u66f4\u65b0 vs. INSERT vs. UPSERT | Everpure Blog<\/title>\n<meta name=\"description\" content=\"SQL \u66f4\u65b0 vs. INSERT vs. UPSERT\uff1a\u672c\u6587\u63a2\u8a0e\u4e09\u500b SQL 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