{"id":173647,"date":"2024-11-07T19:46:19","date_gmt":"2024-11-07T11:46:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173647\/"},"modified":"2024-11-07T19:46:20","modified_gmt":"2024-11-07T11:46:20","slug":"%e5%a6%82%e4%bd%95%e5%b0%87%e7%9f%a9%e9%99%a3%e6%95%b8%e6%93%9a%e5%ad%98%e5%85%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab-%e7%9f%a9%e9%99%a3%e5%a6%82%e4%bd%95%e5%ad%98%e5%85%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173647\/","title":{"rendered":"\u5982\u4f55\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5165SQL\u6578\u64da\u5eab (\u77e9\u9663\u5982\u4f55\u5b58\u5165sql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%b0%87%e7%9f%a9%e9%99%a3%e6%95%b8%e6%93%9a%e5%ad%98%e5%85%a5sql%e6%95%b8%e6%93%9a%e5%ba%ab-MSyehFOskJ\">\u5982\u4f55\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5165SQL\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u7684\u904e\u7a0b\u4e2d\uff0c\u77e9\u9663\u6578\u64da\u7684\u7ba1\u7406\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5728\u79d1\u5b78\u8a08\u7b97\u3001\u6a5f\u5668\u5b78\u7fd2\u9084\u662f\u6578\u64da\u5206\u6790\u4e2d\uff0c\u77e9\u9663\u6578\u64da\u90fd\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\u3002\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5165SQL\u6578\u64da\u5eab\u53ef\u4ee5\u4f7f\u6578\u64da\u7684\u67e5\u8a62\u548c\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5165SQL\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%9f%a9%e9%99%a3%e6%95%b8%e6%93%9a%e7%9a%84%e7%b5%90%e6%a7%8b-MSyehFOskJ\">\u77e9\u9663\u6578\u64da\u7684\u7d50\u69cb<\/h2>\n<p>\u77e9\u9663\u662f\u4e00\u7a2e\u4e8c\u7dad\u6578\u64da\u7d50\u69cb\uff0c\u901a\u5e38\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u6bcf\u500b\u5143\u7d20\u53ef\u4ee5\u662f\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u6578\u64da\u985e\u578b\u3002\u5728\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5165SQL\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8003\u616e\u5982\u4f55\u5c07\u5176\u8f49\u63db\u70ba\u9069\u5408\u6578\u64da\u5eab\u7684\u683c\u5f0f\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%b5%90%e6%a7%8b-MSyehFOskJ\">\u8a2d\u8a08\u6578\u64da\u5eab\u8868\u7d50\u69cb<\/h2>\n<p>\u5728\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5165SQL\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u5408\u9069\u7684\u8868\u7d50\u69cb\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b3&#215;3\u7684\u6578\u5b57\u77e9\u9663\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>\n1  2  3\n4  5  6\n7  8  9\n<\/pre>\n<p>\u6211\u5011\u53ef\u4ee5\u8a2d\u8a08\u4e00\u500b\u540d\u70ba <code>matrix_data<\/code> \u7684\u8868\uff0c\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>id<\/code>\uff1a\u4e3b\u9375\uff0c\u81ea\u589e<\/li>\n<li><code>row_index<\/code>\uff1a\u884c\u7d22\u5f15<\/li>\n<li><code>column_index<\/code>\uff1a\u5217\u7d22\u5f15<\/li>\n<li><code>value<\/code>\uff1a\u77e9\u9663\u5143\u7d20\u7684\u503c<\/li>\n<\/ul>\n<p>\u76f8\u61c9\u7684SQL\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre>\nCREATE TABLE matrix_data (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    row_index INT NOT NULL,\n    column_index INT NOT NULL,\n    value FLOAT NOT NULL\n);\n<\/pre>\n<h2 id=\"%e5%b0%87%e7%9f%a9%e9%99%a3%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-MSyehFOskJ\">\u5c07\u77e9\u9663\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c07\u77e9\u9663\u6578\u64da\u63d2\u5165\u5230\u525b\u525b\u5275\u5efa\u7684\u8868\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u4e00\u500b\u7c21\u55ae\u7684\u5faa\u74b0\u4f86\u904d\u6b77\u77e9\u9663\uff0c\u4e26\u5c07\u6bcf\u500b\u5143\u7d20\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u548cMySQL\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre>\nimport mysql.connector\n\n# \u9023\u63a5\u5230\u6578\u64da\u5eab\nconn = mysql.connector.connect(\n    host='localhost',\n    user='your_username',\n    password='your_password',\n    database='your_database'\n)\ncursor = conn.cursor()\n\n# \u5b9a\u7fa9\u77e9\u9663\nmatrix = [\n    [1, 2, 3],\n    [4, 5, 6],\n    [7, 8, 9]\n]\n\n# \u63d2\u5165\u6578\u64da\nfor i in range(len(matrix)):\n    for j in range(len(matrix[i])):\n        value = matrix[i][j]\n        cursor.execute(\"INSERT INTO matrix_data (row_index, column_index, value) VALUES (%s, %s, %s)\", (i, j, value))\n\n# \u63d0\u4ea4\u4e8b\u52d9\nconn.commit()\n\n# \u95dc\u9589\u9023\u63a5\ncursor.close()\nconn.close()\n<\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e7%9f%a9%e9%99%a3%e6%95%b8%e6%93%9a-MSyehFOskJ\">\u67e5\u8a62\u77e9\u9663\u6578\u64da<\/h2>\n<p>\u4e00\u65e6\u6578\u64da\u88ab\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u6aa2\u7d22\u77e9\u9663\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6574\u500b\u77e9\u9663\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\nSELECT row_index, column_index, value FROM matrix_data ORDER BY row_index, column_index;\n<\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u500b\u6309\u884c\u548c\u5217\u6392\u5e8f\u7684\u77e9\u9663\u6578\u64da\u96c6\uff0c\u65b9\u4fbf\u9032\u4e00\u6b65\u7684\u8655\u7406\u548c\u5206\u6790\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MSyehFOskJ\">\u7e3d\u7d50<\/h2>\n<p>\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5165SQL\u6578\u64da\u5eab\u662f\u4e00\u500b\u6709\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u6cd5\u3002\u901a\u904e\u8a2d\u8a08\u5408\u9069\u7684\u8868\u7d50\u69cb\u548c\u4f7f\u7528\u7c21\u55ae\u7684\u63d2\u5165\u8a9e\u53e5\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u77e9\u9663\u6578\u64da\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u96a8\u6642\u6aa2\u7d22\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7ba1\u7406\u6027\uff0c\u9084\u80fd\u5920\u5229\u7528SQL\u7684\u5f37\u5927\u67e5\u8a62\u529f\u80fd\u4f86\u9032\u884c\u6578\u64da\u5206\u6790\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5c07\u77e9\u9663\u6578\u64da\u6709\u6548\u5b58\u5165SQL\u6578\u64da\u5eab\uff0c\u5305\u62ec\u6578\u64da\u683c\u5f0f\u8f49\u63db\u548c\u63d2\u5165\u64cd\u4f5c\u7684\u6b65\u9a5f\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-173647","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=173647"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173647\/revisions"}],"predecessor-version":[{"id":173648,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173647\/revisions\/173648"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}