{"id":78196,"date":"2024-10-16T11:35:16","date_gmt":"2024-10-16T03:35:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/78196\/"},"modified":"2024-10-16T11:35:16","modified_gmt":"2024-10-16T03:35:16","slug":"mysql%e6%8c%87%e4%bb%a4-date%ef%bc%88%e6%97%a5%e6%9c%9f%ef%bc%89-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/78196\/","title":{"rendered":"MySQL\u6307\u4ee4: DATE\uff08\u65e5\u671f\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-date%ef%bc%88%e6%97%a5%e6%9c%9f%ef%bc%89-SsNzZyyHBL\">MySQL\u6307\u4ee4: DATE\uff08\u65e5\u671f\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u6642\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6307\u4ee4\u4f86\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u7684DATE\u6307\u4ee4\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528\u65e5\u671f\u3002<\/p>\n<h2 id=\"date%e5%87%bd%e6%95%b8%e6%a6%82%e8%bf%b0-SsNzZyyHBL\">DATE\u51fd\u6578\u6982\u8ff0<\/h2>\n<p>\u5728MySQL\u4e2d\uff0cDATE\u51fd\u6578\u7528\u65bc\u5f9e\u65e5\u671f\u6216\u65e5\u671f\u6642\u9593\u503c\u4e2d\u63d0\u53d6\u65e5\u671f\u90e8\u5206\u3002\u9019\u610f\u5473\u8457\u7121\u8ad6\u8f38\u5165\u7684\u6578\u64da\u662f\u5b8c\u6574\u7684\u65e5\u671f\u6642\u9593\u683c\u5f0f\u9084\u662f\u50c5\u50c5\u662f\u65e5\u671f\uff0cDATE\u51fd\u6578\u90fd\u80fd\u8fd4\u56de\u4e00\u500b\u6a19\u6e96\u7684\u65e5\u671f\u683c\u5f0f\u3002<\/p>\n<h3 id=\"%e8%aa%9e%e6%b3%95-SsNzZyyHBL\">\u8a9e\u6cd5<\/h3>\n<pre><code>DATE(date)<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>date<\/code>\u53ef\u4ee5\u662f\u4efb\u4f55\u6709\u6548\u7684\u65e5\u671f\u6216\u65e5\u671f\u6642\u9593\u8868\u9054\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-SsNzZyyHBL\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528DATE\u51fd\u6578\u7684\u7bc4\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b1-%e6%8f%90%e5%8f%96%e6%97%a5%e6%9c%9f-SsNzZyyHBL\">\u7bc4\u4f8b1: \u63d0\u53d6\u65e5\u671f<\/h3>\n<pre><code>SELECT DATE('2023-10-01 14:30:00');<\/code><\/pre>\n<p>\u9019\u689d\u6307\u4ee4\u5c07\u8fd4\u56de <code>2023-10-01<\/code>\uff0c\u5373\u5f9e\u5b8c\u6574\u7684\u65e5\u671f\u6642\u9593\u4e2d\u63d0\u53d6\u51fa\u4f86\u7684\u65e5\u671f\u90e8\u5206\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b2-%e5%be%9e%e8%a1%a8%e4%b8%ad%e6%8f%90%e5%8f%96%e6%97%a5%e6%9c%9f-SsNzZyyHBL\">\u7bc4\u4f8b2: \u5f9e\u8868\u4e2d\u63d0\u53d6\u65e5\u671f<\/h3>\n<p>\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba <code>orders<\/code> \u7684\u8868\uff0c\u5305\u542b\u4e00\u500b <code>order_date<\/code> \u6b04\u4f4d\uff0c\u5b58\u5132\u8a02\u55ae\u7684\u65e5\u671f\u6642\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\u4f86\u63d0\u53d6\u6240\u6709\u8a02\u55ae\u7684\u65e5\u671f\uff1a<\/p>\n<pre><code>SELECT DATE(order_date) AS order_date_only FROM orders;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u8a02\u55ae\u7684\u65e5\u671f\u90e8\u5206\uff0c\u4e26\u5c07\u5176\u547d\u540d\u70ba <code>order_date_only<\/code>\u3002<\/p>\n<h2 id=\"date%e5%87%bd%e6%95%b8%e7%9a%84%e6%87%89%e7%94%a8-SsNzZyyHBL\">DATE\u51fd\u6578\u7684\u61c9\u7528<\/h2>\n<p>DATE\u51fd\u6578\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u65e5\u671f\u6bd4\u8f03\u6216\u7be9\u9078\u6642\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u67e5\u8a62\u67d0\u500b\u7279\u5b9a\u65e5\u671f\u7bc4\u570d\u5167\u7684\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u7d50\u5408\u4f7f\u7528DATE\u51fd\u6578\u548cWHERE\u5b50\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM orders WHERE DATE(order_date) BETWEEN '2023-10-01' AND '2023-10-31';<\/code><\/pre>\n<p>\u9019\u689d\u6307\u4ee4\u5c07\u8fd4\u56de\u57282023\u5e7410\u67081\u65e5\u81f32023\u5e7410\u670831\u65e5\u4e4b\u9593\u7684\u6240\u6709\u8a02\u55ae\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SsNzZyyHBL\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528DATE\u51fd\u6578\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u8f38\u5165\u7684\u65e5\u671f\u683c\u5f0f\u6b63\u78ba\uff0c\u5426\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li>DATE\u51fd\u6578\u50c5\u8fd4\u56de\u65e5\u671f\u90e8\u5206\uff0c\u6642\u9593\u90e8\u5206\u5c07\u88ab\u5ffd\u7565\u3002<\/li>\n<li>\u5728\u9032\u884c\u65e5\u671f\u6bd4\u8f03\u6642\uff0c\u5efa\u8b70\u4f7f\u7528\u76f8\u540c\u7684\u65e5\u671f\u683c\u5f0f\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-SsNzZyyHBL\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u4e2d\u7684DATE\u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u8f15\u9b06\u5730\u5f9e\u65e5\u671f\u6642\u9593\u6578\u64da\u4e2d\u63d0\u53d6\u51fa\u65e5\u671f\u90e8\u5206\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u5206\u6790\u9084\u662f\u5831\u544a\u751f\u6210\u4e2d\uff0c\u6b63\u78ba\u4f7f\u7528DATE\u51fd\u6578\u90fd\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u7684\u65e5\u671f\u64cd\u4f5c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684\u670d\u52d9\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u7684DATE\u6307\u4ee4\uff0c\u638c\u63e1\u65e5\u671f\u6570\u636e\u7684\u5904\u7406\u4e0e\u67e5\u8be2\u6280\u5de7\uff0c\u63d0\u5347\u6570\u636e\u5e93\u7ba1\u7406\u6548\u7387\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-78196","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78196","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=78196"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78196\/revisions"}],"predecessor-version":[{"id":78197,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78196\/revisions\/78197"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=78196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=78196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=78196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}