{"id":76642,"date":"2024-10-16T08:36:56","date_gmt":"2024-10-16T00:36:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76642\/"},"modified":"2024-10-16T08:36:56","modified_gmt":"2024-10-16T00:36:56","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%a7%bb%e6%a4%8d%e4%b8%ad%e6%9c%83%e7%94%a2%e7%94%9f%e4%bb%80%e9%ba%bc%e5%95%8f%e9%a1%8c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76642\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u79fb\u690d\u4e2d\u6703\u7522\u751f\u4ec0\u9ebc\u554f\u984c\uff1f"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%a7%bb%e6%a4%8d%e4%b8%ad%e6%9c%83%e7%94%a2%e7%94%9f%e4%bb%80%e9%ba%bc%e5%95%8f%e9%a1%8c%ef%bc%9f-thhDJVUkXT\">MySQL\u6578\u64da\u5eab\u79fb\u690d\u4e2d\u6703\u7522\u751f\u4ec0\u9ebc\u554f\u984c\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u4e2d\u3002\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u6578\u64da\u5eab\u7684\u79fb\u690d\u6210\u70ba\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7136\u800c\uff0cMySQL\u6578\u64da\u5eab\u7684\u79fb\u690d\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u591a\u7a2e\u554f\u984c\uff0c\u9019\u4e9b\u554f\u984c\u5982\u679c\u4e0d\u52a0\u4ee5\u89e3\u6c7a\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"1-%e7%89%88%e6%9c%ac%e4%b8%8d%e5%85%bc%e5%ae%b9-thhDJVUkXT\">1. \u7248\u672c\u4e0d\u517c\u5bb9<\/h2>\n<p>\u4e0d\u540c\u7248\u672c\u7684MySQL\u53ef\u80fd\u5b58\u5728\u4e0d\u517c\u5bb9\u7684\u60c5\u6cc1\u3002\u4f8b\u5982\uff0c\u67d0\u4e9bSQL\u8a9e\u6cd5\u6216\u51fd\u6578\u5728\u65b0\u7248\u672c\u4e2d\u53ef\u80fd\u5df2\u88ab\u68c4\u7528\u6216\u66f4\u6539\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u5728\u820a\u7248\u672c\u4e2d\u904b\u884c\u826f\u597d\u7684\u67e5\u8a62\u5728\u65b0\u7248\u672c\u4e2d\u51fa\u73fe\u932f\u8aa4\u3002\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u5efa\u8b70\u5728\u79fb\u690d\u4e4b\u524d\u6aa2\u67e5\u76ee\u6a19\u7248\u672c\u7684\u6587\u6a94\uff0c\u4e26\u5c0d\u73fe\u6709\u7684SQL\u8a9e\u53e5\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-thhDJVUkXT\">\u793a\u4f8b\uff1a<\/h3>\n<pre><code>-- \u5728\u820a\u7248\u672c\u4e2d\u6709\u6548\nSELECT * FROM users WHERE DATE_FORMAT(birthdate, '%Y-%m-%d') = '1990-01-01';\n\n-- \u5728\u65b0\u7248\u672c\u4e2d\u53ef\u80fd\u9700\u8981\u8abf\u6574\nSELECT * FROM users WHERE birthdate = '1990-01-01';<\/code><\/pre>\n<h2 id=\"2-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%b8%8d%e5%8c%b9%e9%85%8d-thhDJVUkXT\">2. \u6578\u64da\u985e\u578b\u4e0d\u5339\u914d<\/h2>\n<p>\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u985e\u578b\u7684\u5b9a\u7fa9\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u6578\u64da\u5eab\u53ef\u80fd\u4e0d\u652f\u6301\u7279\u5b9a\u7684\u6578\u64da\u985e\u578b\uff0c\u6216\u8005\u5c0d\u6578\u64da\u985e\u578b\u7684\u5927\u5c0f\u9650\u5236\u4e0d\u540c\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\u4e1f\u5931\u6216\u640d\u58de\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-thhDJVUkXT\">\u793a\u4f8b\uff1a<\/h3>\n<ul>\n<li>\u5728MySQL\u4e2d\uff0c<code>TEXT<\/code>\u985e\u578b\u7684\u5b57\u6bb5\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u9700\u8981\u8f49\u63db\u70ba<code>VARCHAR<\/code>\u3002<\/li>\n<li>\u67d0\u4e9b\u6574\u6578\u985e\u578b\u7684\u5927\u5c0f\u53ef\u80fd\u9700\u8981\u6839\u64da\u76ee\u6a19\u6578\u64da\u5eab\u7684\u8981\u6c42\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f%e5%95%8f%e9%a1%8c-thhDJVUkXT\">3. \u5916\u9375\u7d04\u675f\u554f\u984c<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u5916\u9375\u7d04\u675f\u7528\u65bc\u7dad\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u5982\u679c\u5916\u9375\u6240\u4f9d\u8cf4\u7684\u8868\u672a\u6b63\u78ba\u79fb\u690d\uff0c\u5c07\u5c0e\u81f4\u5916\u9375\u7d04\u675f\u5931\u6548\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u4e26\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h3 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%9a-thhDJVUkXT\">\u89e3\u6c7a\u65b9\u6848\uff1a<\/h3>\n<ul>\n<li>\u5728\u79fb\u690d\u4e4b\u524d\uff0c\u78ba\u4fdd\u6240\u6709\u76f8\u95dc\u7684\u8868\u548c\u6578\u64da\u90fd\u5df2\u6b63\u78ba\u5c0e\u51fa\u548c\u5c0e\u5165\u3002<\/li>\n<li>\u5728\u76ee\u6a19\u6578\u64da\u5eab\u4e2d\u91cd\u65b0\u5efa\u7acb\u5916\u9375\u7d04\u675f\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e5%ad%97%e7%ac%a6%e9%9b%86%e5%92%8c%e6%8e%92%e5%ba%8f%e8%a6%8f%e5%89%87-thhDJVUkXT\">4. \u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247<\/h2>\n<p>\u4e0d\u540c\u7684\u6578\u64da\u5eab\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\u3002\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u5982\u679c\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u986f\u793a\u932f\u8aa4\u6216\u51fa\u73fe\u4e82\u78bc\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u591a\u8a9e\u8a00\u6578\u64da\u6642\uff0c\u9019\u4e00\u9ede\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h3 id=\"%e5%bb%ba%e8%ad%b0%ef%bc%9a-thhDJVUkXT\">\u5efa\u8b70\uff1a<\/h3>\n<ul>\n<li>\u5728\u79fb\u690d\u4e4b\u524d\uff0c\u6aa2\u67e5\u6e90\u6578\u64da\u5eab\u548c\u76ee\u6a19\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u3002<\/li>\n<li>\u5728\u5c0e\u5165\u6578\u64da\u6642\uff0c\u4f7f\u7528\u6b63\u78ba\u7684\u5b57\u7b26\u96c6\u9032\u884c\u8f49\u63db\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e6%80%a7%e8%83%bd%e5%95%8f%e9%a1%8c-thhDJVUkXT\">5. \u6027\u80fd\u554f\u984c<\/h2>\n<p>\u6578\u64da\u5eab\u79fb\u690d\u5f8c\uff0c\u6027\u80fd\u554f\u984c\u4e5f\u53ef\u80fd\u96a8\u4e4b\u800c\u4f86\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u7d22\u5f15\u7f3a\u5931\u3001\u67e5\u8a62\u512a\u5316\u4e0d\u8db3\u6216\u786c\u4ef6\u914d\u7f6e\u4e0d\u7576\u7b49\u539f\u56e0\u9020\u6210\u7684\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5efa\u8b70\u5728\u79fb\u690d\u5f8c\u9032\u884c\u6027\u80fd\u6e2c\u8a66\u548c\u512a\u5316\u3002<\/p>\n<h3 id=\"%e5%84%aa%e5%8c%96%e5%bb%ba%e8%ad%b0%ef%bc%9a-thhDJVUkXT\">\u512a\u5316\u5efa\u8b70\uff1a<\/h3>\n<ul>\n<li>\u6aa2\u67e5\u4e26\u91cd\u65b0\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n<li>\u5206\u6790\u67e5\u8a62\u6027\u80fd\uff0c\u5fc5\u8981\u6642\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-thhDJVUkXT\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u7684\u79fb\u690d\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u591a\u7a2e\u554f\u984c\uff0c\u5305\u62ec\u7248\u672c\u4e0d\u517c\u5bb9\u3001\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u3001\u5916\u9375\u7d04\u675f\u554f\u984c\u3001\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u898f\u5247\u4e0d\u4e00\u81f4\u4ee5\u53ca\u6027\u80fd\u554f\u984c\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7684\u7a69\u5b9a\u6027\uff0c\u5efa\u8b70\u5728\u79fb\u690d\u4e4b\u524d\u9032\u884c\u5145\u5206\u7684\u6e96\u5099\u548c\u6e2c\u8a66\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u79fb\u690d\u904e\u7a0b\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u554f\u984c\uff0c\u5305\u62ec\u6578\u64da\u4e1f\u5931\u3001\u517c\u5bb9\u6027\u554f\u984c\u53ca\u6027\u80fd\u4e0b\u964d\u7b49\u6311\u6230\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-76642","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76642","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=76642"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76642\/revisions"}],"predecessor-version":[{"id":76643,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76642\/revisions\/76643"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}