{"id":6172,"date":"2024-11-14T12:26:11","date_gmt":"2024-11-14T04:26:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6172\/"},"modified":"2024-11-14T12:26:11","modified_gmt":"2024-11-14T04:26:11","slug":"mysql%e5%a6%82%e4%bd%95%e5%8a%a0%e9%94%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6172\/","title":{"rendered":"mysql\u5982\u4f55\u52a0\u9501"},"content":{"rendered":"<blockquote><p>\n  mysql \u63d0\u4f9b\u4e86\u5171\u4eab\u9501\u548c\u6392\u4ed6\u9501\uff0c\u5728\u9700\u8981\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u65f6\u4f7f\u7528\uff0c\u5305\u62ec\u5728\u5e76\u53d1\u8bbf\u95ee\u3001\u66f4\u65b0\u6216\u5220\u9664\u6570\u636e\u65f6\u3002\u9501\u7c7b\u578b\u53ef\u4ee5\u901a\u8fc7\u663e\u5f0f\u6216\u9690\u5f0f\u65b9\u5f0f\u83b7\u53d6\uff0c\u652f\u6301\u8868\u9501\u3001\u884c\u9501\u548c\u9875\u9762\u9501\u7b49\u9501\u6a21\u5f0f\uff0c\u9501\u7684\u7c92\u5ea6\u4ece\u7c97\u5230\u7ec6\u3002\u6b63\u786e\u4f7f\u7528\u9501\u6709\u52a9\u4e8e\u907f\u514d\u6b7b\u9501\uff0c\u5982\u9075\u5faa\u76f8\u540c\u7684\u9501\u987a\u5e8f\u548c\u4f7f\u7528\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b\u673a\u5236\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/14\/2024061404123064465.jpg\" class=\"aligncenter\" title=\"mysql\u5982\u4f55\u52a0\u9501\u63d2\u56fe\" alt=\"mysql\u5982\u4f55\u52a0\u9501\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 MySQL \u52a0\u9501<\/strong><\/p>\n<p>\u52a0\u9501\u662f\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u9632\u6b62\u540c\u65f6\u5bf9\u6570\u636e\u8fdb\u884c\u5e76\u53d1\u4fee\u6539\u7684\u5173\u952e\u673a\u5236\u3002MySQL \u63d0\u4f9b\u4e86\u5404\u79cd\u9501\u673a\u5236\uff0c\u7528\u4e8e\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<p><strong>\u52a0\u9501\u7c7b\u578b<\/strong><\/p>\n<p>MySQL \u652f\u6301\u4e24\u79cd\u4e3b\u8981\u7684\u52a0\u9501\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li> <strong>\u5171\u4eab\u9501 (S)<\/strong>\uff1a\u5141\u8bb8\u591a\u4e2a\u4e8b\u52a1\u540c\u65f6\u8bfb\u53d6\u540c\u4e00\u6570\u636e\u884c\uff0c\u4f46\u7981\u6b62\u5199\u64cd\u4f5c\u3002<\/li>\n<li> <strong>\u6392\u4ed6\u9501 (X)<\/strong>\uff1a\u5141\u8bb8\u5355\u4e2a\u4e8b\u52a1\u72ec\u5360\u8bbf\u95ee\u6570\u636e\u884c\uff0c\u7981\u6b62\u5176\u4ed6\u4e8b\u52a1\u8fdb\u884c\u4efb\u4f55\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>\u4f55\u65f6\u4f7f\u7528\u52a0\u9501<\/strong><\/p>\n<p>\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u5e94\u4f7f\u7528\u52a0\u9501\uff1a<\/p>\n<ul>\n<li>\u5f53\u591a\u4e2a\u4e8b\u52a1\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u6570\u636e\u65f6<\/li>\n<li>\u5f53\u4e8b\u52a1\u9700\u8981\u66f4\u65b0\u6216\u5220\u9664\u6570\u636e\u65f6<\/li>\n<li>\u5f53\u9700\u8981\u786e\u4fdd\u6570\u636e\u5728\u4e8b\u52a1\u5904\u7406\u671f\u95f4\u4fdd\u6301\u4e00\u81f4\u6027\u65f6<\/li>\n<\/ul>\n<p><strong>\u52a0\u9501\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u52a0\u9501\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u663e\u5f0f\u52a0\u9501<\/strong>\uff1a\u4f7f\u7528 LOCK \u8bed\u53e5\u663e\u5f0f\u83b7\u53d6\u9501\u3002\u8bed\u6cd5\u4e3a\uff1a<\/p>\n<pre>LOCK &lt;\u8868\u540d&gt; [AS &lt;\u522b\u540d&gt;] [&lt;\u9501\u7c7b\u578b&gt; &lt;\u6a21\u5f0f&gt;]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li> <strong>\u9690\u5f0f\u52a0\u9501<\/strong>\uff1a\u5728\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u65f6\u9690\u5f0f\u83b7\u53d6\u9501\u3002\u4f8b\u5982\uff0c\u5728\u66f4\u65b0\u6216\u5220\u9664\u6570\u636e\u65f6\u4f1a\u81ea\u52a8\u83b7\u53d6\u6392\u4ed6\u9501\u3002<\/li>\n<\/ol>\n<p><strong>\u9501\u6a21\u5f0f<\/strong><\/p>\n<p>MySQL \u652f\u6301\u4ee5\u4e0b\u9501\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li> <strong>\u8868\u9501 (TABLE)<\/strong>\uff1a\u9501\u5b9a\u6574\u4e2a\u8868<\/li>\n<li> <strong>\u884c\u9501 (ROW)<\/strong>\uff1a\u9501\u5b9a\u5355\u4e2a\u6570\u636e\u884c<\/li>\n<li> <strong>\u9875\u9762\u9501 (PAGE)<\/strong>\uff1a\u9501\u5b9a\u6570\u636e\u6587\u4ef6\u4e2d\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u9875\u9762<\/li>\n<\/ul>\n<p><strong>\u91ca\u653e\u9501<\/strong><\/p>\n<p>\u5f53\u4e0d\u518d\u9700\u8981\u9501\u65f6\uff0c\u5fc5\u987b\u91ca\u653e\u5b83\u4ee5\u4f9b\u5176\u4ed6\u4e8b\u52a1\u4f7f\u7528\u3002\u53ef\u4ee5\u4f7f\u7528 UNLOCK \u8bed\u53e5\u663e\u5f0f\u91ca\u653e\u9501\uff0c\u6216\u5728\u4e8b\u52a1\u7ed3\u675f\u65f6\u81ea\u52a8\u91ca\u653e\u9690\u5f0f\u83b7\u53d6\u7684\u9501\u3002<\/p>\n<p><strong>\u9501\u7c92\u5ea6<\/strong><\/p>\n<p>MySQL \u4e2d\u9501\u7684\u7c92\u5ea6\u4ece\u6700\u7c97\u7684\u8868\u9501\u5230\u6700\u7ec6\u7684\u884c\u9501\u4e0d\u7b49\u3002\u5728\u9009\u62e9\u9501\u7c92\u5ea6\u65f6\uff0c\u5e94\u8003\u8651\u5e76\u53d1\u6027\u548c\u6027\u80fd\u7684\u5f71\u54cd\u3002\u8d8a\u7ec6\u7684\u9501\u7c92\u5ea6\u5141\u8bb8\u66f4\u9ad8\u7684\u5e76\u53d1\u6027\uff0c\u4f46\u4f1a\u5e26\u6765\u8f83\u9ad8\u7684\u5f00\u9500\u3002<\/p>\n<p><strong>\u907f\u514d\u6b7b\u9501<\/strong><\/p>\n<p>\u6b7b\u9501\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a\u4e8b\u52a1\u65e0\u9650\u671f\u7b49\u5f85\u5f7c\u6b64\u91ca\u653e\u9501\u7684\u60c5\u51b5\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u63aa\u65bd\u907f\u514d\u6b7b\u9501\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b\u548c\u6062\u590d\u673a\u5236<\/li>\n<li>\u5728\u4e8b\u52a1\u4e2d\u9075\u5faa\u76f8\u540c\u7684\u9501\u987a\u5e8f<\/li>\n<li>\u907f\u514d\u5d4c\u5957\u4e8b\u52a1<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u52a0\u9501\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mysql \u63d0\u4f9b\u4e86\u5171\u4eab\u9501\u548c\u6392\u4ed6\u9501\uff0c\u5728\u9700\u8981\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u65f6\u4f7f\u7528\uff0c\u5305\u62ec\u5728\u5e76\u53d1\u8bbf\u95ee\u3001\u66f4\u65b0\u6216\u5220\u9664\u6570\u636e\u65f6\u3002\u9501\u7c7b\u578b\u53ef\u4ee5\u901a\u8fc7\u663e\u5f0f\u6216\u9690\u5f0f\u65b9\u5f0f\u83b7\u53d6\uff0c\u652f\u6301\u8868\u9501\u3001\u884c\u9501\u548c\u9875\u9762\u9501\u7b49\u9501\u6a21\u5f0f\uff0c\u9501\u7684\u7c92\u5ea6\u4ece\u7c97\u5230\u7ec6\u3002\u6b63\u786e\u4f7f\u7528\u9501\u6709\u52a9\u4e8e\u907f\u514d\u6b7b\u9501\uff0c\u5982\u9075\u5faa\u76f8\u540c\u7684\u9501\u987a\u5e8f\u548c\u4f7f\u7528\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b\u673a\u5236\u3002 \u5982\u4f55\u4f7f\u7528 MySQL \u52a0\u9501 \u52a0\u9501\u662f\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u9632\u6b62\u540c\u65f6\u5bf9\u6570\u636e\u8fdb\u884c\u5e76\u53d1\u4fee\u6539\u7684\u5173\u952e\u673a\u5236\u3002MySQL \u63d0\u4f9b\u4e86\u5404\u79cd\u9501\u673a\u5236\uff0c\u7528\u4e8e\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002 \u52a0\u9501\u7c7b\u578b MySQL \u652f\u6301\u4e24\u79cd\u4e3b\u8981\u7684\u52a0\u9501\u7c7b\u578b\uff1a \u5171\u4eab\u9501 (S)\uff1a\u5141\u8bb8\u591a\u4e2a\u4e8b\u52a1\u540c\u65f6\u8bfb\u53d6\u540c\u4e00\u6570\u636e\u884c\uff0c\u4f46\u7981\u6b62\u5199\u64cd\u4f5c\u3002 \u6392\u4ed6\u9501 (X)\uff1a\u5141\u8bb8\u5355\u4e2a\u4e8b\u52a1\u72ec\u5360\u8bbf\u95ee\u6570\u636e\u884c\uff0c\u7981\u6b62\u5176\u4ed6\u4e8b\u52a1\u8fdb\u884c\u4efb\u4f55\u64cd\u4f5c\u3002 \u4f55\u65f6\u4f7f\u7528\u52a0\u9501 \u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u5e94\u4f7f\u7528\u52a0\u9501\uff1a \u5f53\u591a\u4e2a\u4e8b\u52a1\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u6570\u636e\u65f6 \u5f53\u4e8b\u52a1\u9700\u8981\u66f4\u65b0\u6216\u5220\u9664\u6570\u636e\u65f6 \u5f53\u9700\u8981\u786e\u4fdd\u6570\u636e\u5728\u4e8b\u52a1\u5904\u7406\u671f\u95f4\u4fdd\u6301\u4e00\u81f4\u6027\u65f6 \u52a0\u9501\u65b9\u6cd5 \u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u52a0\u9501\uff1a \u663e\u5f0f\u52a0\u9501\uff1a\u4f7f\u7528 LOCK \u8bed\u53e5\u663e\u5f0f\u83b7\u53d6\u9501\u3002\u8bed\u6cd5\u4e3a\uff1a LOCK &lt;\u8868\u540d&gt; [AS &lt;\u522b\u540d&gt;] [&lt;\u9501\u7c7b\u578b&gt; &lt;\u6a21\u5f0f&gt;] \u767b\u5f55\u540e\u590d\u5236 \u9690\u5f0f\u52a0\u9501\uff1a\u5728\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u65f6\u9690\u5f0f\u83b7\u53d6\u9501\u3002\u4f8b\u5982\uff0c\u5728\u66f4\u65b0\u6216\u5220\u9664\u6570\u636e\u65f6\u4f1a\u81ea\u52a8\u83b7\u53d6\u6392\u4ed6\u9501\u3002 \u9501\u6a21\u5f0f MySQL \u652f\u6301\u4ee5\u4e0b\u9501\u6a21\u5f0f\uff1a \u8868\u9501 (TABLE)\uff1a\u9501\u5b9a\u6574\u4e2a\u8868 \u884c\u9501 (ROW)\uff1a\u9501\u5b9a\u5355\u4e2a\u6570\u636e\u884c \u9875\u9762\u9501 (PAGE)\uff1a\u9501\u5b9a\u6570\u636e\u6587\u4ef6\u4e2d\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u9875\u9762 \u91ca\u653e\u9501 \u5f53\u4e0d\u518d\u9700\u8981\u9501\u65f6\uff0c\u5fc5\u987b\u91ca\u653e\u5b83\u4ee5\u4f9b\u5176\u4ed6\u4e8b\u52a1\u4f7f\u7528\u3002\u53ef\u4ee5\u4f7f\u7528 UNLOCK \u8bed\u53e5\u663e\u5f0f\u91ca\u653e\u9501\uff0c\u6216\u5728\u4e8b\u52a1\u7ed3\u675f\u65f6\u81ea\u52a8\u91ca\u653e\u9690\u5f0f\u83b7\u53d6\u7684\u9501\u3002 \u9501\u7c92\u5ea6 MySQL \u4e2d\u9501\u7684\u7c92\u5ea6\u4ece\u6700\u7c97\u7684\u8868\u9501\u5230\u6700\u7ec6\u7684\u884c\u9501\u4e0d\u7b49\u3002\u5728\u9009\u62e9\u9501\u7c92\u5ea6\u65f6\uff0c\u5e94\u8003\u8651\u5e76\u53d1\u6027\u548c\u6027\u80fd\u7684\u5f71\u54cd\u3002\u8d8a\u7ec6\u7684\u9501\u7c92\u5ea6\u5141\u8bb8\u66f4\u9ad8\u7684\u5e76\u53d1\u6027\uff0c\u4f46\u4f1a\u5e26\u6765\u8f83\u9ad8\u7684\u5f00\u9500\u3002 \u907f\u514d\u6b7b\u9501 \u6b7b\u9501\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a\u4e8b\u52a1\u65e0\u9650\u671f\u7b49\u5f85\u5f7c\u6b64\u91ca\u653e\u9501\u7684\u60c5\u51b5\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u63aa\u65bd\u907f\u514d\u6b7b\u9501\uff1a \u4f7f\u7528\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b\u548c\u6062\u590d\u673a\u5236 \u5728\u4e8b\u52a1\u4e2d\u9075\u5faa\u76f8\u540c\u7684\u9501\u987a\u5e8f \u907f\u514d\u5d4c\u5957\u4e8b\u52a1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6172","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6172"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6172\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}