{"id":1522,"date":"2025-02-10T23:38:40","date_gmt":"2025-02-10T15:38:40","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1522"},"modified":"2025-02-10T23:41:25","modified_gmt":"2025-02-10T15:41:25","slug":"%e6%b7%b1%e5%ba%a6%e5%ad%a6%e4%b9%a0sql%e7%9a%84%e6%9c%80%e4%bd%b3%e8%b5%84%e6%ba%90%e4%b8%8e%e4%b9%a6%e7%b1%8d%e6%8e%a8%e8%8d%90","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/10\/%e6%b7%b1%e5%ba%a6%e5%ad%a6%e4%b9%a0sql%e7%9a%84%e6%9c%80%e4%bd%b3%e8%b5%84%e6%ba%90%e4%b8%8e%e4%b9%a6%e7%b1%8d%e6%8e%a8%e8%8d%90\/","title":{"rendered":"\u6df1\u5ea6\u5b66\u4e60SQL\u7684\u6700\u4f73\u8d44\u6e90\u4e0e\u4e66\u7c4d\u63a8\u8350"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f<strong>\u6df1\u5ea6\u5b66\u4e60SQL\u7684\u6700\u4f73\u8d44\u6e90\u4e0e\u4e66\u7c4d\u63a8\u8350<\/strong>\u90e8\u5206\u7684\u8be6\u7ec6\u6559\u7a0b\uff0c\u5e2e\u52a9\u4f60\u6df1\u5165\u5b66\u4e60SQL\uff0c\u63d0\u5347\u6570\u636e\u5e93\u7ba1\u7406\u548c\u67e5\u8be2\u6280\u80fd\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u4e66\u7c4d\u63a8\u8350<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e66\u7c4d\u662f\u5b66\u4e60SQL\u7684\u91cd\u8981\u8d44\u6e90\u3002\u4ee5\u4e0b\u662f\u51e0\u672c\u63a8\u8350\u7684SQL\u5b66\u4e60\u4e66\u7c4d\uff0c\u6db5\u76d6\u4e86\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.1\u300aSQL \u5fc5\u77e5\u5fc5\u4f1a\u300b\u2014 Ben Forta<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u4e66\u662fSQL\u5b66\u4e60\u8005\u7684\u7ecf\u5178\u4e4b\u4f5c\uff0c\u9002\u5408\u6240\u6709\u60f3\u8981\u5feb\u901f\u638c\u63e1SQL\u57fa\u7840\u7684\u8bfb\u8005\u3002Ben Forta\u7684\u5199\u4f5c\u98ce\u683c\u7b80\u6d01\u660e\u4e86\uff0c\u5185\u5bb9\u6db5\u76d6\u4e86SQL\u67e5\u8be2\u3001\u6570\u636e\u64cd\u4f5c\u3001\u805a\u5408\u51fd\u6570\u7b49\u5404\u4e2a\u65b9\u9762\uff0c\u975e\u5e38\u9002\u5408\u521d\u5b66\u8005\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e66\u7c4d\u4eae\u70b9<\/strong>\uff1a<\/li>\n\n\n\n<li>\u8bed\u8a00\u7b80\u6d01\uff0c\u6613\u4e8e\u7406\u89e3<\/li>\n\n\n\n<li>\u8986\u76d6\u4e86SQL\u7684\u6838\u5fc3\u77e5\u8bc6\uff0c\u5305\u542b\u5e38\u89c1\u7684\u6570\u636e\u5e93\u64cd\u4f5c<\/li>\n\n\n\n<li>\u4e30\u5bcc\u7684\u793a\u4f8b\u548c\u7ec3\u4e60\uff0c\u5e2e\u52a9\u5de9\u56fa\u77e5\u8bc6<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.2\u300a\u9ad8\u6027\u80fd MySQL\u300b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u672c\u4e66\u662fMySQL\u5f00\u53d1\u8005\u548c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u5fc5\u8bfb\u7684\u7ecf\u5178\u4e4b\u4f5c\uff0c\u6df1\u5165\u8bb2\u89e3\u4e86MySQL\u7684\u4f18\u5316\u6280\u5de7\u3001\u6027\u80fd\u63d0\u5347\u65b9\u6cd5\u548c\u67b6\u6784\u8bbe\u8ba1\u3002\u9002\u5408\u6709\u4e00\u5b9a\u57fa\u7840\u7684\u8bfb\u8005\uff0c\u5e0c\u671b\u6df1\u5165\u5b66\u4e60MySQL\u7684\u5185\u90e8\u673a\u5236\u548c\u6027\u80fd\u4f18\u5316\u6280\u5de7\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e66\u7c4d\u4eae\u70b9<\/strong>\uff1a<\/li>\n\n\n\n<li>\u6df1\u5165\u63a2\u8ba8MySQL\u6027\u80fd\u4f18\u5316\u7684\u5404\u4e2a\u65b9\u9762<\/li>\n\n\n\n<li>\u5305\u62ec\u67e5\u8be2\u4f18\u5316\u3001\u7d22\u5f15\u4f18\u5316\u3001\u6570\u636e\u5e93\u67b6\u6784\u7b49\u5185\u5bb9<\/li>\n\n\n\n<li>\u9002\u5408\u4e2d\u9ad8\u7ea7\u5f00\u53d1\u8005\u548c\u6570\u636e\u5e93\u7ba1\u7406\u5458<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.3\u300a\u6570\u636e\u5e93\u7cfb\u7edf\u6982\u8bba\u300b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u672c\u4e66\u88ab\u5e7f\u6cdb\u7528\u4e8e\u6570\u636e\u5e93\u8bfe\u7a0b\u7684\u6559\u6750\uff0c\u7cfb\u7edf\u8bb2\u89e3\u4e86\u6570\u636e\u5e93\u7684\u7406\u8bba\u57fa\u7840\u3001\u5173\u7cfb\u6a21\u578b\u3001SQL\u8bed\u8a00\u7b49\u5185\u5bb9\u3002\u5b83\u9002\u5408\u90a3\u4e9b\u5e0c\u671b\u6df1\u5165\u7406\u89e3\u6570\u636e\u5e93\u539f\u7406\u5e76\u5efa\u7acb\u7406\u8bba\u57fa\u7840\u7684\u8bfb\u8005\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e66\u7c4d\u4eae\u70b9<\/strong>\uff1a<\/li>\n\n\n\n<li>\u6df1\u5165\u8bb2\u89e3\u6570\u636e\u5e93\u8bbe\u8ba1\u539f\u7406\u548c\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u67b6\u6784<\/li>\n\n\n\n<li>\u6db5\u76d6\u6570\u636e\u5e93\u8bbe\u8ba1\u3001\u5173\u7cfb\u6a21\u578b\u3001\u4e8b\u52a1\u7ba1\u7406\u7b49\u65b9\u9762<\/li>\n\n\n\n<li>\u662f\u7406\u8bba\u4e0e\u5b9e\u8df5\u7ed3\u5408\u7684\u7ecf\u5178\u4e4b\u4f5c<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u5728\u7ebf\u6559\u7a0b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u4e86\u4e66\u7c4d\uff0c\u5728\u7ebf\u6559\u7a0b\u662f\u5b66\u4e60SQL\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u9014\u5f84\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u63a8\u8350\u7684SQL\u5728\u7ebf\u5b66\u4e60\u8d44\u6e90\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2.1 LeetCode \u7684 SQL \u7ec3\u4e60\u9898<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">LeetCode \u63d0\u4f9b\u4e86\u5927\u91cf\u7684 SQL \u7ec3\u4e60\u9898\uff0c\u9002\u5408\u5404\u79cd\u6c34\u5e73\u7684\u5b66\u4e60\u8005\u3002\u901a\u8fc7\u89e3\u51b3 LeetCode \u4e0a\u7684 SQL \u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u63d0\u5347\u81ea\u5df1\u7684 SQL \u67e5\u8be2\u80fd\u529b\uff0c\u638c\u63e1\u590d\u6742\u7684\u67e5\u8be2\u6280\u5de7\u548c\u4f18\u5316\u65b9\u6cd5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4eae\u70b9<\/strong>\uff1a<\/li>\n\n\n\n<li>\u63d0\u4f9b\u4ece\u7b80\u5355\u5230\u590d\u6742\u7684SQL\u7ec3\u4e60\u9898<\/li>\n\n\n\n<li>\u6bcf\u4e2a\u9898\u76ee\u90fd\u914d\u6709\u8be6\u7ec6\u7684\u89e3\u7b54\u548c\u4f18\u5316\u5efa\u8bae<\/li>\n\n\n\n<li>\u53ef\u4ee5\u901a\u8fc7\u5b9e\u8df5\u638c\u63e1SQL\u7684\u6838\u5fc3\u6280\u80fd<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2.2 W3Schools SQL \u6559\u7a0b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">W3Schools \u63d0\u4f9b\u4e86\u514d\u8d39\u7684SQL\u6559\u7a0b\uff0c\u9002\u5408\u521d\u5b66\u8005\u3002\u6559\u7a0b\u5185\u5bb9\u6db5\u76d6\u4e86\u4ece\u57fa\u672c\u7684 SQL \u67e5\u8be2\u5230\u9ad8\u7ea7\u7684 SQL \u64cd\u4f5c\uff0c\u975e\u5e38\u9002\u5408\u521a\u5165\u95e8\u7684\u8bfb\u8005\u3002\u6bcf\u4e2a\u6982\u5ff5\u90fd\u914d\u6709\u793a\u4f8b\u548c\u4e92\u52a8\u7684 SQL \u7f16\u8f91\u5668\uff0c\u65b9\u4fbf\u8bfb\u8005\u8fdb\u884c\u5b9e\u9a8c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4eae\u70b9<\/strong>\uff1a<\/li>\n\n\n\n<li>\u514d\u8d39\uff0c\u4e14\u9002\u5408\u521d\u5b66\u8005<\/li>\n\n\n\n<li>\u6db5\u76d6SQL\u7684\u57fa\u672c\u6982\u5ff5\u548c\u64cd\u4f5c<\/li>\n\n\n\n<li>\u63d0\u4f9b\u5b9e\u65f6\u5728\u7ebfSQL\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u8fdb\u884c\u5b9e\u9a8c<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u6570\u636e\u5e93\u8bbe\u8ba1\u4e0e\u5efa\u6a21\u4e66\u7c4d<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u5e93\u8bbe\u8ba1\u662fSQL\u5b66\u4e60\u7684\u91cd\u8981\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u4e24\u672c\u5728\u6570\u636e\u5e93\u8bbe\u8ba1\u548c\u5efa\u6a21\u65b9\u9762\u975e\u5e38\u5b9e\u7528\u7684\u4e66\u7c4d\uff0c\u5e2e\u52a9\u4f60\u6df1\u5165\u7406\u89e3\u5982\u4f55\u8bbe\u8ba1\u9ad8\u6548\u4e14\u53ef\u7ef4\u62a4\u7684\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3.1 \u300a\u6570\u636e\u5e93\u8bbe\u8ba1\u4e0e\u5efa\u6a21\uff1a\u65b9\u6cd5\u4e0e\u5b9e\u8df5\u300b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u4e66\u901a\u8fc7\u8bb2\u89e3\u6570\u636e\u5e93\u5efa\u6a21\u7684\u57fa\u672c\u7406\u8bba\u548c\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u638c\u63e1\u5982\u4f55\u8bbe\u8ba1\u9ad8\u6548\u7684\u6570\u636e\u5e93\u7ed3\u6784\u3002\u5185\u5bb9\u5305\u62ec\u4e86\u5b9e\u4f53-\u5173\u7cfb\u6a21\u578b\uff08ER\u6a21\u578b\uff09\u3001\u6570\u636e\u5e93\u6b63\u5219\u5316\u7b49\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e66\u7c4d\u4eae\u70b9<\/strong>\uff1a<\/li>\n\n\n\n<li>\u7cfb\u7edf\u8bb2\u89e3\u4e86\u6570\u636e\u5e93\u5efa\u6a21\u7684\u57fa\u7840\u77e5\u8bc6<\/li>\n\n\n\n<li>\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u5b9e\u4f8b\u548c\u5b9e\u8df5\u6307\u5bfc<\/li>\n\n\n\n<li>\u9002\u5408\u4e2d\u7ea7\u5b66\u4e60\u8005\u6df1\u5165\u4e86\u89e3\u6570\u636e\u5e93\u8bbe\u8ba1<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3.2 \u300aSQL\u4e0e\u6570\u636e\u5e93\u7cfb\u7edf\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u300b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u672c\u4e66\u9002\u5408\u6709\u4e00\u5b9aSQL\u57fa\u7840\u7684\u8bfb\u8005\uff0c\u4ecb\u7ecd\u4e86\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u5173\u952e\u6982\u5ff5\u3001\u5efa\u6a21\u6280\u5de7\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528SQL\u521b\u5efa\u9ad8\u6548\u7684\u6570\u636e\u5e93\u7ed3\u6784\u3002\u5185\u5bb9\u5305\u62ec\u4e86\u6570\u636e\u5e93\u8303\u5f0f\u3001\u6570\u636e\u5e93\u8bbe\u8ba1\u6700\u4f73\u5b9e\u8df5\u3001ER\u56fe\u8bbe\u8ba1\u7b49\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e66\u7c4d\u4eae\u70b9<\/strong>\uff1a<\/li>\n\n\n\n<li>\u5f3a\u8c03\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u5b9e\u9645\u5e94\u7528<\/li>\n\n\n\n<li>\u901a\u8fc7\u5b9e\u4f8b\u5e2e\u52a9\u8bfb\u8005\u7406\u89e3\u590d\u6742\u7684\u8bbe\u8ba1\u6982\u5ff5<\/li>\n\n\n\n<li>\u6db5\u76d6\u4e86\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u7684\u6570\u636e\u5e93\u5efa\u6a21\u77e5\u8bc6<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. \u603b\u7ed3<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u662f\u6570\u636e\u5e93\u5f00\u53d1\u4e0e\u7ba1\u7406\u7684\u6838\u5fc3\u6280\u80fd\uff0c\u5b66\u4e60SQL\u4e0d\u4ec5\u9700\u8981\u7406\u89e3\u57fa\u672c\u7684\u67e5\u8be2\u548c\u6570\u636e\u64cd\u4f5c\uff0c\u8fd8\u9700\u8981\u6df1\u5165\u5b66\u4e60\u6570\u636e\u5e93\u8bbe\u8ba1\u3001\u6027\u80fd\u4f18\u5316\u7b49\u9ad8\u7ea7\u6280\u5de7\u3002\u901a\u8fc7\u9605\u8bfb\u7ecf\u5178\u4e66\u7c4d\u3001\u53c2\u52a0\u5728\u7ebf\u6559\u7a0b\u3001\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u9010\u6b65\u63d0\u5347\u81ea\u5df1\u7684SQL\u6c34\u5e73\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u521d\u5b66\u8005<\/strong>\uff1a\u53ef\u4ee5\u4ece\u300a<a href=\"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/08\/sql\u5e94\u77e5\u5e94\u4f1a\/\">SQL \u5fc5\u77e5\u5fc5\u4f1a<\/a>\u300b\u5f00\u59cb\uff0c\u638c\u63e1\u57fa\u672c\u7684SQL\u8bed\u6cd5\u548c\u67e5\u8be2\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li><strong>\u8fdb\u9636\u5b66\u4e60\u8005<\/strong>\uff1a\u53ef\u4ee5\u9605\u8bfb\u300a\u9ad8\u6027\u80fd MySQL\u300b\u548c\u300a\u6570\u636e\u5e93\u7cfb\u7edf\u6982\u8bba\u300b\uff0c\u6df1\u5165\u5b66\u4e60\u6570\u636e\u5e93\u4f18\u5316\u548c\u8bbe\u8ba1\u539f\u7406\u3002<\/li>\n\n\n\n<li><strong>\u9879\u76ee\u5b9e\u8df5<\/strong>\uff1a\u901a\u8fc7 LeetCode \u548c <a href=\"http:\/\/w3s.com.cn\">W3Schools<\/a> \u7b49\u5728\u7ebf\u5e73\u53f0\uff0c\u8fdb\u884cSQL\u7ec3\u4e60\u548c\u5b9e\u8df5\uff0c\u5de9\u56fa\u5b66\u4e60\u6210\u679c\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6301\u7eed\u5b66\u4e60\u548c\u5b9e\u8df5SQL\uff0c\u5c06\u5e2e\u52a9\u4f60\u5728\u6570\u636e\u5e93\u7ba1\u7406\u548c\u5f00\u53d1\u9886\u57df\u53d6\u5f97\u66f4\u5927\u7684\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662f\u6df1\u5ea6\u5b66\u4e60SQL\u7684\u6700\u4f73\u8d44\u6e90\u4e0e\u4e66\u7c4d\u63a8\u8350\u90e8\u5206\u7684\u8be6\u7ec6\u6559\u7a0b\uff0c\u5e2e\u52a9\u4f60\u6df1\u5165\u5b66\u4e60SQL\uff0c\u63d0\u5347\u6570\u636e\u5e93\u7ba1\u7406\u548c\u67e5\u8be2\u6280\u80fd\u3002 1. 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