{"id":6379,"date":"2024-11-14T09:21:26","date_gmt":"2024-11-14T01:21:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6379\/"},"modified":"2024-11-14T09:21:26","modified_gmt":"2024-11-14T01:21:26","slug":"mysql%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%80%8e%e4%b9%88%e6%81%a2%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6379\/","title":{"rendered":"mysql\u6e05\u7a7a\u8868\u600e\u4e48\u6062\u590d"},"content":{"rendered":"<blockquote><p>\n  \u5982\u679c\u4e0d\u614e\u6e05\u7a7a\u4e86 mysql \u8868\uff0c\u6709\u4ee5\u4e0b\u6062\u590d\u65b9\u6cd5\uff1a\u4ece\u5907\u4efd\u6062\u590d\uff1a\u5982\u6709\u6570\u636e\u5907\u4efd\uff0c\u53ef\u4f7f\u7528 mysqldump \u5bfc\u51fa\u5907\u4efd\uff0c\u5220\u9664\u6e05\u7a7a\u7684\u8868\u5e76\u5bfc\u5165\u5907\u4efd\u3002\u4f7f\u7528 binlog \u6062\u590d\uff1a\u5982\u679c\u6709\u542f\u7528\u4e14\u4fdd\u5b58\u4e86\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u53ef\u4f7f\u7528 mysqlbinlog \u89e3\u6790\u5e76\u5bfc\u51fa\u5220\u9664\u8bb0\u5f55\uff0c\u521b\u5efa\u65b0\u8868\u5e76\u52a0\u8f7d\u8bb0\u5f55\u3002\u4f7f\u7528 mysql \u590d\u5236\uff1a\u5982\u679c\u8868\u662f\u590d\u5236\u73af\u5883\u4e2d\u7684\u4ece\u5c5e\u670d\u52a1\u5668\uff0c\u53ef\u505c\u6b62\u590d\u5236\u3001\u91cd\u7f6e\u590d\u5236\u4f4d\u7f6e\uff0c\u8bbe\u7f6e\u590d\u5236\u4f4d\u7f6e\u5e76\u542f\u52a8\u4ece\u5c5e\u670d\u52a1\u5668\u6062\u590d\u6570\u636e\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202408\/01\/2024080106185382558.jpg\" class=\"aligncenter\" title=\"mysql\u6e05\u7a7a\u8868\u600e\u4e48\u6062\u590d\u63d2\u56fe\" alt=\"mysql\u6e05\u7a7a\u8868\u600e\u4e48\u6062\u590d\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6062\u590d\u6e05\u7a7a\u7684 MySQL \u8868<\/strong><\/p>\n<p>\u5f53\u4e0d\u5c0f\u5fc3\u6e05\u7a7a\u4e86 MySQL \u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u6062\u590d\uff1a<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4ece\u5907\u4efd\u6062\u590d<\/strong><\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u6709\u8868\u6570\u636e\u7684\u5907\u4efd\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6062\u590d\u6570\u636e\uff1a<\/p>\n<p><span>\u70b9\u51fb\u4e0b\u8f7d<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u4f7f\u7528 dump \u547d\u4ee4\u5bfc\u51fa\u5907\u4efd\uff1amysqldump -u username -p password database_name table_name &gt; backup.sql<\/li>\n<li>\u505c\u6b62 MySQL \u670d\u52a1\u5668\uff1aservice mysql stop<\/li>\n<li>\u5220\u9664\u6e05\u7a7a\u7684\u8868\uff1aDROP TABLE table_name;<\/li>\n<li>\u5bfc\u5165\u5907\u4efd\uff1amysql -u username -p password database_name <\/li>\n<li>\u542f\u52a8 MySQL \u670d\u52a1\u5668\uff1aservice mysql start<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 Binlog \u6062\u590d<\/strong><\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u542f\u7528\u5e76\u4fdd\u7559\u4e86\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff08Binlog\uff09\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u6062\u590d\u6570\u636e\uff1a<\/p>\n<ul>\n<li>\u627e\u5230\u5305\u542b\u6e05\u7a7a\u8868\u8bb0\u5f55\u7684 Binlog \u6587\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528 mysqlbinlog \u547d\u4ee4\u89e3\u6790 Binlog \u6587\u4ef6\uff1amysqlbinlog binlog_file_name | grep &#8220;DELETE FROM table_name&#8221;<\/li>\n<li>\u5bfc\u51fa\u5220\u9664\u8bb0\u5f55\uff1amysqlbinlog binlog_file_name | grep &#8220;DELETE FROM table_name&#8221; &gt; delete_records.sql<\/li>\n<li>\u521b\u5efa\u4e00\u4e2a\u65b0\u8868\uff0c\u7ed3\u6784\u4e0e\u6e05\u7a7a\u7684\u8868\u76f8\u540c\u3002<\/li>\n<li>\u4f7f\u7528 LOAD DATA \u8bed\u53e5\u4ece delete_records.sql \u6587\u4ef6\u4e2d\u52a0\u8f7d\u5220\u9664\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5 3\uff1a\u4f7f\u7528 MySQL \u590d\u5236<\/strong><\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u8868\u662f MySQL \u590d\u5236\u73af\u5883\u4e2d\u7684\u4ece\u5c5e\u670d\u52a1\u5668\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u6062\u590d\u6570\u636e\uff1a<\/p>\n<ul>\n<li>\u627e\u5230\u5305\u542b\u6e05\u7a7a\u8868\u8bb0\u5f55\u7684\u590d\u5236\u4e8b\u4ef6 binlog_pos\u3002<\/li>\n<li>\u505c\u6b62\u4ece\u5c5e\u670d\u52a1\u5668\uff1aslave stop;<\/li>\n<li>\u91cd\u7f6e\u590d\u5236\u4f4d\u7f6e\uff1areset slave;<\/li>\n<li>\u8bbe\u7f6e\u4ece\u5c5e\u670d\u52a1\u5668\u7684\u590d\u5236\u4f4d\u7f6e\uff1achange master to master_host=master_ip, master_port=master_port, master_log_file=master_log_file, master_log_pos=binlog_pos;<\/li>\n<li>\u542f\u52a8\u4ece\u5c5e\u670d\u52a1\u5668\uff1aslave start;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f:<\/strong><\/p>\n<ul>\n<li>\u5728\u6267\u884c\u4e0a\u8ff0\u6b65\u9aa4\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u5df2\u91c7\u53d6\u5fc5\u8981\u7684\u9884\u9632\u63aa\u65bd\u6765\u9632\u6b62\u3002<\/li>\n<li>\u6062\u590d\u6570\u636e\u7684\u6210\u529f\u53d6\u51b3\u4e8e\u5907\u4efd\u7684\u53ef\u7528\u6027\u548c\u5b8c\u6574\u6027\uff0c\u4ee5\u53ca Binlog \u7684\u914d\u7f6e\u548c\u4fdd\u5b58\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6e05\u7a7a\u8868\u600e\u4e48\u6062\u590d\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>\u5982\u679c\u4e0d\u614e\u6e05\u7a7a\u4e86 mysql \u8868\uff0c\u6709\u4ee5\u4e0b\u6062\u590d\u65b9\u6cd5\uff1a\u4ece\u5907\u4efd\u6062\u590d\uff1a\u5982\u6709\u6570\u636e\u5907\u4efd\uff0c\u53ef\u4f7f\u7528 mysqldump \u5bfc\u51fa\u5907\u4efd\uff0c\u5220\u9664\u6e05\u7a7a\u7684\u8868\u5e76\u5bfc\u5165\u5907\u4efd\u3002\u4f7f\u7528 binlog \u6062\u590d\uff1a\u5982\u679c\u6709\u542f\u7528\u4e14\u4fdd\u5b58\u4e86\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u53ef\u4f7f\u7528 mysqlbinlog \u89e3\u6790\u5e76\u5bfc\u51fa\u5220\u9664\u8bb0\u5f55\uff0c\u521b\u5efa\u65b0\u8868\u5e76\u52a0\u8f7d\u8bb0\u5f55\u3002\u4f7f\u7528 mysql \u590d\u5236\uff1a\u5982\u679c\u8868\u662f\u590d\u5236\u73af\u5883\u4e2d\u7684\u4ece\u5c5e\u670d\u52a1\u5668\uff0c\u53ef\u505c\u6b62\u590d\u5236\u3001\u91cd\u7f6e\u590d\u5236\u4f4d\u7f6e\uff0c\u8bbe\u7f6e\u590d\u5236\u4f4d\u7f6e\u5e76\u542f\u52a8\u4ece\u5c5e\u670d\u52a1\u5668\u6062\u590d\u6570\u636e\u3002 \u5982\u4f55\u6062\u590d\u6e05\u7a7a\u7684 MySQL \u8868 \u5f53\u4e0d\u5c0f\u5fc3\u6e05\u7a7a\u4e86 MySQL \u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u6062\u590d\uff1a \u65b9\u6cd5 1\uff1a\u4ece\u5907\u4efd\u6062\u590d \u5982\u679c\u6709\u8868\u6570\u636e\u7684\u5907\u4efd\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6062\u590d\u6570\u636e\uff1a \u70b9\u51fb\u4e0b\u8f7d\u201c\u201d\uff1b \u4f7f\u7528 dump \u547d\u4ee4\u5bfc\u51fa\u5907\u4efd\uff1amysqldump -u username -p password database_name table_name &gt; backup.sql \u505c\u6b62 MySQL \u670d\u52a1\u5668\uff1aservice mysql stop \u5220\u9664\u6e05\u7a7a\u7684\u8868\uff1aDROP TABLE table_name; \u5bfc\u5165\u5907\u4efd\uff1amysql -u username -p password database_name \u542f\u52a8 MySQL \u670d\u52a1\u5668\uff1aservice mysql start \u65b9\u6cd5 2\uff1a\u4f7f\u7528 Binlog \u6062\u590d [&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-6379","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6379","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=6379"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6379\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}