{"id":76598,"date":"2024-10-16T08:11:16","date_gmt":"2024-10-16T00:11:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76598\/"},"modified":"2024-10-16T08:11:16","modified_gmt":"2024-10-16T00:11:16","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%89%a9%e7%90%86%e5%ad%98%e5%84%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76598\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u6642\u9593\u985e\u578b\u7684\u7269\u7406\u5b58\u5132"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%89%a9%e7%90%86%e5%ad%98%e5%84%b2-LKwyyCTRIE\">MySQL\u6578\u64da\u5eab\u6642\u9593\u985e\u578b\u7684\u7269\u7406\u5b58\u5132<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6642\u9593\u985e\u578b\u7684\u6578\u64da\u5b58\u5132\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6642\u9593\u985e\u578b\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u6642\u9593\u985e\u578b\u7684\u7269\u7406\u5b58\u5132\u65b9\u5f0f\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e9b\u985e\u578b\u7684\u7279\u6027\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"mysql%e4%b8%ad%e7%9a%84%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b-LKwyyCTRIE\">MySQL\u4e2d\u7684\u6642\u9593\u985e\u578b<\/h2>\n<p>MySQL\u652f\u6301\u591a\u7a2e\u6642\u9593\u985e\u578b\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>DATE<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u65e5\u671f\uff0c\u683c\u5f0f\u70ba&#8217;YYYY-MM-DD&#8217;\u3002<\/li>\n<li><strong>TIME<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6642\u9593\uff0c\u683c\u5f0f\u70ba&#8217;HH:MM:SS&#8217;\u3002<\/li>\n<li><strong>DATETIME<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u683c\u5f0f\u70ba&#8217;YYYY-MM-DD HH:MM:SS&#8217;\u3002<\/li>\n<li><strong>TIMESTAMP<\/strong>\uff1a\u985e\u4f3c\u65bcDATETIME\uff0c\u4f46\u5176\u503c\u6703\u96a8\u8457\u6642\u5340\u7684\u8b8a\u5316\u800c\u8b8a\u5316\u3002<\/li>\n<li><strong>YEAR<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u5e74\u4efd\uff0c\u683c\u5f0f\u70ba&#8217;YYYY&#8217;\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%89%a9%e7%90%86%e5%ad%98%e5%84%b2%e6%96%b9%e5%bc%8f-LKwyyCTRIE\">\u7269\u7406\u5b58\u5132\u65b9\u5f0f<\/h2>\n<p>\u4e0d\u540c\u7684\u6642\u9593\u985e\u578b\u5728MySQL\u4e2d\u7684\u7269\u7406\u5b58\u5132\u65b9\u5f0f\u5404\u4e0d\u76f8\u540c\uff0c\u9019\u76f4\u63a5\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b58\u5132\u6548\u7387\u548c\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h3 id=\"1-date-LKwyyCTRIE\">1. DATE<\/h3>\n<p>DATE\u985e\u578b\u4f54\u75283\u500b\u5b57\u7bc0\u7684\u5b58\u5132\u7a7a\u9593\u3002\u5b83\u7684\u5b58\u5132\u65b9\u5f0f\u662f\u5c07\u65e5\u671f\u8f49\u63db\u70ba\u4e00\u500b\u6574\u6578\uff0c\u8868\u793a\u81ea&#8217;1000-01-01&#8217;\u4ee5\u4f86\u7684\u5929\u6578\u3002\u9019\u7a2e\u65b9\u5f0f\u4f7f\u5f97\u65e5\u671f\u7684\u6bd4\u8f03\u548c\u8a08\u7b97\u8b8a\u5f97\u9ad8\u6548\u3002<\/p>\n<h3 id=\"2-time-LKwyyCTRIE\">2. TIME<\/h3>\n<p>TIME\u985e\u578b\u4f54\u75283\u500b\u5b57\u7bc0\uff0c\u5b58\u5132\u65b9\u5f0f\u985e\u4f3c\u65bcDATE\u3002\u5b83\u8868\u793a\u81ea&#8217;00:00:00&#8217;\u4ee5\u4f86\u7684\u79d2\u6578\uff0c\u9019\u4f7f\u5f97\u6642\u9593\u7684\u8a08\u7b97\u548c\u6bd4\u8f03\u4e5f\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<h3 id=\"3-datetime-LKwyyCTRIE\">3. DATETIME<\/h3>\n<p>DATETIME\u985e\u578b\u4f54\u75288\u500b\u5b57\u7bc0\u3002\u5b83\u7684\u5b58\u5132\u65b9\u5f0f\u662f\u5c07\u65e5\u671f\u548c\u6642\u9593\u5408\u4f75\u70ba\u4e00\u500b\u6574\u6578\uff0c\u8868\u793a\u81ea&#8217;1970-01-01 00:00:00&#8217;\u4ee5\u4f86\u7684\u79d2\u6578\u3002\u9019\u7a2e\u65b9\u5f0f\u4f7f\u5f97DATETIME\u5728\u67e5\u8a62\u6642\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u3002<\/p>\n<h3 id=\"4-timestamp-LKwyyCTRIE\">4. TIMESTAMP<\/h3>\n<p>TIMESTAMP\u985e\u578b\u540c\u6a23\u4f54\u75284\u500b\u5b57\u7bc0\uff0c\u4e26\u4e14\u5176\u5b58\u5132\u65b9\u5f0f\u8207DATETIME\u76f8\u4f3c\uff0c\u4f46TIMESTAMP\u6703\u6839\u64da\u6642\u5340\u9032\u884c\u8abf\u6574\u3002\u9019\u4f7f\u5f97TIMESTAMP\u5728\u5168\u7403\u61c9\u7528\u4e2d\u66f4\u5177\u9748\u6d3b\u6027\u3002<\/p>\n<h3 id=\"5-year-LKwyyCTRIE\">5. YEAR<\/h3>\n<p>YEAR\u985e\u578b\u4f54\u75281\u500b\u5b57\u7bc0\uff0c\u5b58\u5132\u65b9\u5f0f\u662f\u5c07\u5e74\u4efd\u8f49\u63db\u70ba\u4e00\u500b\u6574\u6578\u3002\u9019\u4f7f\u5f97YEAR\u5728\u5b58\u5132\u7a7a\u9593\u4e0a\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b%e7%9a%84%e9%81%b8%e6%93%87-LKwyyCTRIE\">\u6642\u9593\u985e\u578b\u7684\u9078\u64c7<\/h2>\n<p>\u5728\u9078\u64c7\u6642\u9593\u985e\u578b\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5be6\u969b\u9700\u6c42\u4f86\u6c7a\u5b9a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53ea\u9700\u8981\u5b58\u5132\u65e5\u671f\u800c\u4e0d\u9700\u8981\u6642\u9593\uff0c\u5247\u4f7f\u7528DATE\u985e\u578b\u6703\u66f4\u70ba\u5408\u9069\uff1b\u5982\u679c\u9700\u8981\u8003\u616e\u6642\u5340\u7684\u5f71\u97ff\uff0c\u5247TIMESTAMP\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-LKwyyCTRIE\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6642\u9593\u985e\u578b\u4e0d\u50c5\u5f71\u97ff\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u4f7f\u7528\u8f03\u5c0f\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u56e0\u70ba\u5b83\u5011\u4f54\u7528\u7684\u5167\u5b58\u66f4\u5c11\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86I\/O\u64cd\u4f5c\u7684\u6210\u672c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-LKwyyCTRIE\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u4e2d\u7684\u6642\u9593\u985e\u578b\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u9078\u64c7\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u985e\u578b\u3002\u4e86\u89e3\u9019\u4e9b\u985e\u578b\u7684\u7269\u7406\u5b58\u5132\u65b9\u5f0f\u53ca\u5176\u6027\u80fd\u7279\u9ede\uff0c\u5c07\u6709\u52a9\u65bc\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6578\u64da\u5eab\u548c\u4f3a\u670d\u5668\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u63a2\u7d22\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ca\u5176\u4ed6\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6578\u64da\u5eab\u4e2d\u6642\u9593\u985e\u578b\u7684\u7269\u7406\u5b58\u5132\u65b9\u5f0f\uff0c\u5305\u62ecDATETIME\u3001DATE\u3001TIME\u7b49\u7684\u5b58\u5132\u7d50\u69cb\u8207\u7279\u9ede\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-76598","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76598","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=76598"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76598\/revisions"}],"predecessor-version":[{"id":76599,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76598\/revisions\/76599"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}