{"id":164003,"date":"2024-11-05T04:13:27","date_gmt":"2024-11-04T20:13:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164003\/"},"modified":"2024-11-05T04:13:27","modified_gmt":"2024-11-04T20:13:27","slug":"%e8%a7%a3%e6%9e%90mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8a%a0%e9%8e%96%e6%8a%80%e8%a1%93%ef%bc%9a%e4%bf%9d%e8%ad%89%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e7%9a%84%e9%97%9c%e9%8d%b5-mysql%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164003\/","title":{"rendered":"\u89e3\u6790MySQL\u6578\u64da\u5eab\u52a0\u9396\u6280\u8853\uff1a\u4fdd\u8b49\u6578\u64da\u5b89\u5168\u7684\u95dc\u9375 (mysql\u6578\u64da\u5eab \u52a0\u9396)"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%9e%90mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8a%a0%e9%8e%96%e6%8a%80%e8%a1%93%ef%bc%9a%e4%bf%9d%e8%ad%89%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e7%9a%84%e9%97%9c%e9%8d%b5-rPDlUAkOMf\">\u89e3\u6790MySQL\u6578\u64da\u5eab\u52a0\u9396\u6280\u8853\uff1a\u4fdd\u8b49\u6578\u64da\u5b89\u5168\u7684\u95dc\u9375<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u52a0\u9396\u6280\u8853\u4f86\u4fdd\u8b77\u6578\u64da\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u7684\u52a0\u9396\u6280\u8853\uff0c\u4e26\u5206\u6790\u5176\u5728\u6578\u64da\u5b89\u5168\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8a%a0%e9%8e%96%ef%bc%9f-rPDlUAkOMf\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u52a0\u9396\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u52a0\u9396\u662f\u6307\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u904e\u7a0b\u4e2d\uff0c\u70ba\u4e86\u9632\u6b62\u6578\u64da\u7684\u4e26\u767c\u8a2a\u554f\u800c\u5c0d\u6578\u64da\u9032\u884c\u7684\u9396\u5b9a\u64cd\u4f5c\u3002\u9019\u7a2e\u6280\u8853\u53ef\u4ee5\u78ba\u4fdd\u5728\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u6578\u64da\u6642\uff0c\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u4e0d\u6703\u53d7\u5230\u5f71\u97ff\u3002MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u985e\u578b\uff0c\u5305\u62ec\u884c\u9396\u3001\u8868\u9396\u548c\u610f\u5411\u9396\u7b49\u3002<\/p>\n<h2 id=\"mysql%e7%9a%84%e9%8e%96%e9%a1%9e%e5%9e%8b-rPDlUAkOMf\">MySQL\u7684\u9396\u985e\u578b<\/h2>\n<h3 id=\"1-%e8%a1%8c%e9%8e%96-rPDlUAkOMf\">1. \u884c\u9396<\/h3>\n<p>\u884c\u9396\u662f\u6307\u5c0d\u6578\u64da\u8868\u4e2d\u7684\u67d0\u4e00\u884c\u9032\u884c\u9396\u5b9a\uff0c\u9019\u6a23\u5176\u4ed6\u7528\u6236\u5728\u672a\u91cb\u653e\u9396\u4e4b\u524d\u7121\u6cd5\u5c0d\u8a72\u884c\u9032\u884c\u4fee\u6539\u3002\u884c\u9396\u7684\u512a\u9ede\u5728\u65bc\u5b83\u80fd\u5920\u63d0\u9ad8\u4e26\u767c\u6027\u80fd\uff0c\u56e0\u70ba\u53ea\u6709\u7279\u5b9a\u7684\u884c\u88ab\u9396\u5b9a\uff0c\u800c\u4e0d\u662f\u6574\u500b\u8868\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE id = 1 FOR UPDATE;<\/code><\/pre>\n<p>\u4e0a\u8ff0SQL\u8a9e\u53e5\u5c07\u5c0did\u70ba1\u7684\u884c\u9032\u884c\u9396\u5b9a\uff0c\u5176\u4ed6\u7528\u6236\u5728\u6b64\u671f\u9593\u7121\u6cd5\u4fee\u6539\u8a72\u884c\u3002<\/p>\n<h3 id=\"2-%e8%a1%a8%e9%8e%96-rPDlUAkOMf\">2. \u8868\u9396<\/h3>\n<p>\u8868\u9396\u662f\u5c0d\u6574\u500b\u6578\u64da\u8868\u9032\u884c\u9396\u5b9a\uff0c\u9019\u610f\u5473\u8457\u5728\u9396\u5b9a\u671f\u9593\uff0c\u5176\u4ed6\u7528\u6236\u7121\u6cd5\u5c0d\u8a72\u8868\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u3002\u8868\u9396\u7684\u512a\u9ede\u662f\u5be6\u73fe\u7c21\u55ae\uff0c\u4f46\u7f3a\u9ede\u662f\u6703\u964d\u4f4e\u4e26\u767c\u6027\u80fd\u3002<\/p>\n<pre><code>LOCK TABLES users WRITE;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5c0dusers\u8868\u9032\u884c\u5beb\u9396\uff0c\u5176\u4ed6\u7528\u6236\u5728\u6b64\u671f\u9593\u7121\u6cd5\u8b80\u53d6\u6216\u5beb\u5165\u8a72\u8868\u3002<\/p>\n<h3 id=\"3-%e6%84%8f%e5%90%91%e9%8e%96-rPDlUAkOMf\">3. \u610f\u5411\u9396<\/h3>\n<p>\u610f\u5411\u9396\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u9396\uff0c\u7528\u65bc\u6307\u793a\u4e00\u500b\u4e8b\u52d9\u5e0c\u671b\u5728\u67d0\u500b\u5c64\u7d1a\u4e0a\u7372\u5f97\u884c\u9396\u3002\u610f\u5411\u9396\u5206\u70ba\u610f\u5411\u5171\u4eab\u9396\uff08IS\uff09\u548c\u610f\u5411\u6392\u4ed6\u9396\uff08IX\uff09\uff0c\u5b83\u5011\u53ef\u4ee5\u5e6b\u52a9MySQL\u5728\u591a\u5c64\u7d1a\u7684\u9396\u5b9a\u4e2d\u4fdd\u6301\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e5%8a%a0%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-rPDlUAkOMf\">\u52a0\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-rPDlUAkOMf\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u4fdd\u8b77\u6578\u64da\u5b8c\u6574\u6027\uff1a\u901a\u904e\u52a0\u9396\uff0c\u53ef\u4ee5\u9632\u6b62\u6578\u64da\u5728\u4e26\u767c\u64cd\u4f5c\u4e2d\u88ab\u610f\u5916\u4fee\u6539\u3002<\/li>\n<li>\u63d0\u9ad8\u6578\u64da\u5b89\u5168\u6027\uff1a\u52a0\u9396\u6280\u8853\u53ef\u4ee5\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u548c\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-rPDlUAkOMf\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u6027\u80fd\u958b\u92b7\uff1a\u52a0\u9396\u6703\u589e\u52a0\u7cfb\u7d71\u7684\u6027\u80fd\u958b\u92b7\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/li>\n<li>\u6b7b\u9396\u98a8\u96aa\uff1a\u4e0d\u7576\u7684\u9396\u5b9a\u7b56\u7565\u53ef\u80fd\u5c0e\u81f4\u6b7b\u9396\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%ad%bb%e9%8e%96-rPDlUAkOMf\">\u5982\u4f55\u907f\u514d\u6b7b\u9396<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u6b7b\u9396\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>\u7d71\u4e00\u9396\u5b9a\u9806\u5e8f\uff1a\u78ba\u4fdd\u6240\u6709\u4e8b\u52d9\u6309\u7167\u76f8\u540c\u7684\u9806\u5e8f\u7372\u53d6\u9396\u3002<\/li>\n<li>\u6e1b\u5c11\u9396\u5b9a\u6642\u9593\uff1a\u76e1\u91cf\u7e2e\u77ed\u6301\u6709\u9396\u7684\u6642\u9593\uff0c\u53ca\u6642\u91cb\u653e\u4e0d\u518d\u9700\u8981\u7684\u9396\u3002<\/li>\n<li>\u4f7f\u7528\u8d85\u6642\u6a5f\u5236\uff1a\u8a2d\u7f6e\u9396\u7684\u8d85\u6642\u6642\u9593\uff0c\u9632\u6b62\u9577\u6642\u9593\u7b49\u5f85\u5c0e\u81f4\u7684\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-rPDlUAkOMf\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u7684\u52a0\u9396\u6280\u8853\u5728\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u548c\u5b8c\u6574\u6027\u65b9\u9762\u767c\u63ee\u8457\u81f3\u95dc\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u884c\u9396\u3001\u8868\u9396\u548c\u610f\u5411\u9396\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u7684\u4e26\u767c\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u7136\u800c\uff0c\u958b\u767c\u8005\u4e5f\u9700\u8981\u6ce8\u610f\u52a0\u9396\u5e36\u4f86\u7684\u6027\u80fd\u958b\u92b7\u548c\u6b7b\u9396\u98a8\u96aa\uff0c\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u63aa\u65bd\u4f86\u907f\u514d\u9019\u4e9b\u554f\u984c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u65b9\u6848\u65e8\u5728\u63d0\u4f9b\u9ad8\u6548\u80fd\u548c\u5b89\u5168\u6027\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790MySQL\u6578\u64da\u5eab\u52a0\u9396\u6280\u8853\uff0c\u63a2\u8a0e\u5176\u5728\u4fdd\u8b49\u6578\u64da\u5b89\u5168\u4e2d\u7684\u95dc\u9375\u4f5c\u7528\u8207\u5be6\u8e10\u61c9\u7528\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-164003","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164003","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=164003"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164003\/revisions"}],"predecessor-version":[{"id":164004,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164003\/revisions\/164004"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}