{"id":5782,"date":"2024-11-14T11:30:10","date_gmt":"2024-11-14T03:30:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5782\/"},"modified":"2024-11-14T11:30:10","modified_gmt":"2024-11-14T03:30:10","slug":"mysql%e9%94%81%e8%a1%a8%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5782\/","title":{"rendered":"mysql\u9501\u8868\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"<blockquote><p>\n  \u9501\u8868\u662f\u4e00\u79cd\u5bf9\u6574\u4e2a\u6570\u636e\u5e93\u8868\u8fdb\u884c\u52a0\u9501\u7684\u64cd\u4f5c\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u7ef4\u62a4\u64cd\u4f5c\u3001\u6570\u636e\u8fc1\u79fb\u548c\u5904\u7406\u5927\u6279\u91cf\u66f4\u65b0\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002mysql\u63d0\u4f9b\u4e24\u79cd\u9501\u8868\u7c7b\u578b\uff1awrite\u9501\uff08\u72ec\u5360\u9501\uff09\u548cread\u9501\uff08\u5171\u4eab\u9501\uff09\u3002\u9501\u8868\u53ef\u4ee5\u901a\u8fc7\u6267\u884clock tables\u8bed\u53e5\u6765\u5b9e\u73b0\uff0c\u5e76\u901a\u8fc7unlock tables\u8bed\u53e5\u89e3\u9664\u9501\u8868\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/02\/2024060201214357781.jpg\" class=\"aligncenter\" title=\"mysql\u9501\u8868\u662f\u4ec0\u4e48\u610f\u601d\u63d2\u56fe\" alt=\"mysql\u9501\u8868\u662f\u4ec0\u4e48\u610f\u601d\u63d2\u56fe\" \/><\/p>\n<p><strong>MySQL\u9501\u8868<\/strong><\/p>\n<p><strong>\u4ec0\u4e48\u662f\u9501\u8868\uff1f<\/strong><\/p>\n<p>\u9501\u8868\u662f\u6307\u5bf9\u6574\u4e2a\u6570\u636e\u5e93\u8868\u8fdb\u884c\u52a0\u9501\uff0c\u5728\u52a0\u9501\u671f\u95f4\uff0c\u5176\u4ed6\u4f1a\u8bdd\u65e0\u6cd5\u8bbf\u95ee\u6216\u4fee\u6539\u8be5\u8868\u7684\u6570\u636e\u3002<\/p>\n<p><strong>\u4e3a\u4ec0\u4e48\u9700\u8981\u9501\u8868\uff1f<\/strong><\/p>\n<p>\u9501\u8868\u901a\u5e38\u7528\u4e8e\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li> <strong>\u7ef4\u62a4\u64cd\u4f5c\uff1a<\/strong>\u5728\u5bf9\u8868\u8fdb\u884c\u7ef4\u62a4\u64cd\u4f5c\uff08\u4f8b\u5982\u91cd\u65b0\u7d22\u5f15\u3001\u4fee\u590d\uff09\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u8868\u6570\u636e\u4e0d\u4f1a\u88ab\u4fee\u6539\u3002<\/li>\n<li> <strong>\u6570\u636e\u8fc1\u79fb\uff1a<\/strong>\u5728\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u8fc1\u79fb\u6570\u636e\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li> <strong>\u5904\u7406\u5927\u6279\u91cf\u66f4\u65b0\uff1a<\/strong>\u5728\u5904\u7406\u5927\u6279\u91cf\u66f4\u65b0\u64cd\u4f5c\u65f6\uff0c\u9501\u5b9a\u8868\u53ef\u4ee5\u9632\u6b62\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u9501\u8868\uff1f<\/strong><\/p>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\u6765\u9501\u8868\uff1a<\/p>\n<pre>LOCK TABLES table_name WRITE;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0ctable_name\u662f\u8981\u9501\u5b9a\u7684\u8868\u540d\u3002<\/p>\n<p><strong>\u9501\u8868\u7c7b\u578b<\/strong><\/p>\n<p>MySQL\u63d0\u4f9b\u4ee5\u4e0b\u7c7b\u578b\u7684\u8868\u9501\uff1a<\/p>\n<ul>\n<li> <strong>WRITE \u9501\uff1a<\/strong>\u72ec\u5360\u9501\uff0c\u5141\u8bb8\u5f53\u524d\u4f1a\u8bdd\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\uff0c\u5176\u4ed6\u4f1a\u8bdd\u65e0\u6cd5\u8bbf\u95ee\u8be5\u8868\u3002<\/li>\n<li> <strong>READ \u9501\uff1a<\/strong>\u5171\u4eab\u9501\uff0c\u5141\u8bb8\u591a\u4e2a\u4f1a\u8bdd\u540c\u65f6\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u65e0\u6cd5\u4fee\u6539\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><strong>\u89e3\u9664\u9501\u8868<\/strong><\/p>\n<p>\u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\u6765\u89e3\u9664\u9501\u8868\uff1a<\/p>\n<pre>UNLOCK TABLES;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u672a\u6309\u987a\u5e8f\u89e3\u9664\u9501\u8868\u4f1a\u5bfc\u81f4\u6b7b\u9501\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u9501\u8868\u662f\u4ec0\u4e48\u610f\u601d\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>\u9501\u8868\u662f\u4e00\u79cd\u5bf9\u6574\u4e2a\u6570\u636e\u5e93\u8868\u8fdb\u884c\u52a0\u9501\u7684\u64cd\u4f5c\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u7ef4\u62a4\u64cd\u4f5c\u3001\u6570\u636e\u8fc1\u79fb\u548c\u5904\u7406\u5927\u6279\u91cf\u66f4\u65b0\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002mysql\u63d0\u4f9b\u4e24\u79cd\u9501\u8868\u7c7b\u578b\uff1awrite\u9501\uff08\u72ec\u5360\u9501\uff09\u548cread\u9501\uff08\u5171\u4eab\u9501\uff09\u3002\u9501\u8868\u53ef\u4ee5\u901a\u8fc7\u6267\u884clock tables\u8bed\u53e5\u6765\u5b9e\u73b0\uff0c\u5e76\u901a\u8fc7unlock tables\u8bed\u53e5\u89e3\u9664\u9501\u8868\u3002 MySQL\u9501\u8868 \u4ec0\u4e48\u662f\u9501\u8868\uff1f \u9501\u8868\u662f\u6307\u5bf9\u6574\u4e2a\u6570\u636e\u5e93\u8868\u8fdb\u884c\u52a0\u9501\uff0c\u5728\u52a0\u9501\u671f\u95f4\uff0c\u5176\u4ed6\u4f1a\u8bdd\u65e0\u6cd5\u8bbf\u95ee\u6216\u4fee\u6539\u8be5\u8868\u7684\u6570\u636e\u3002 \u4e3a\u4ec0\u4e48\u9700\u8981\u9501\u8868\uff1f \u9501\u8868\u901a\u5e38\u7528\u4e8e\u4ee5\u4e0b\u60c5\u51b5\uff1a \u7ef4\u62a4\u64cd\u4f5c\uff1a\u5728\u5bf9\u8868\u8fdb\u884c\u7ef4\u62a4\u64cd\u4f5c\uff08\u4f8b\u5982\u91cd\u65b0\u7d22\u5f15\u3001\u4fee\u590d\uff09\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u8868\u6570\u636e\u4e0d\u4f1a\u88ab\u4fee\u6539\u3002 \u6570\u636e\u8fc1\u79fb\uff1a\u5728\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u8fc1\u79fb\u6570\u636e\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002 \u5904\u7406\u5927\u6279\u91cf\u66f4\u65b0\uff1a\u5728\u5904\u7406\u5927\u6279\u91cf\u66f4\u65b0\u64cd\u4f5c\u65f6\uff0c\u9501\u5b9a\u8868\u53ef\u4ee5\u9632\u6b62\u6570\u636e\u4e0d\u4e00\u81f4\u3002 \u5982\u4f55\u9501\u8868\uff1f \u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\u6765\u9501\u8868\uff1a LOCK TABLES table_name WRITE; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0ctable_name\u662f\u8981\u9501\u5b9a\u7684\u8868\u540d\u3002 \u9501\u8868\u7c7b\u578b MySQL\u63d0\u4f9b\u4ee5\u4e0b\u7c7b\u578b\u7684\u8868\u9501\uff1a WRITE \u9501\uff1a\u72ec\u5360\u9501\uff0c\u5141\u8bb8\u5f53\u524d\u4f1a\u8bdd\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\uff0c\u5176\u4ed6\u4f1a\u8bdd\u65e0\u6cd5\u8bbf\u95ee\u8be5\u8868\u3002 READ \u9501\uff1a\u5171\u4eab\u9501\uff0c\u5141\u8bb8\u591a\u4e2a\u4f1a\u8bdd\u540c\u65f6\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u65e0\u6cd5\u4fee\u6539\u6570\u636e\u3002 \u89e3\u9664\u9501\u8868 \u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u8bed\u53e5\u6765\u89e3\u9664\u9501\u8868\uff1a UNLOCK TABLES; \u767b\u5f55\u540e\u590d\u5236 \u8bf7\u6ce8\u610f\uff0c\u672a\u6309\u987a\u5e8f\u89e3\u9664\u9501\u8868\u4f1a\u5bfc\u81f4\u6b7b\u9501\u3002 \u4ee5\u4e0a\u5c31\u662f\u9501\u8868\u662f\u4ec0\u4e48\u610f\u601d\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5782","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5782","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=5782"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5782\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}