{"id":182514,"date":"2024-11-09T23:05:24","date_gmt":"2024-11-09T15:05:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182514\/"},"modified":"2024-11-09T23:05:25","modified_gmt":"2024-11-09T15:05:25","slug":"%e5%8d%81%e5%80%8b%e9%9d%9e%e5%b8%b8%e6%a3%92%e7%9a%84mysql-dba%e9%9d%a2%e8%a9%a6%e9%a1%8c%ef%bc%88%e9%99%84%e7%ad%94%e6%a1%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182514\/","title":{"rendered":"\u5341\u500b\u975e\u5e38\u68d2\u7684MySQL DBA\u9762\u8a66\u984c\uff08\u9644\u7b54\u6848\uff09"},"content":{"rendered":"<h1 id=\"%e5%8d%81%e5%80%8b%e9%9d%9e%e5%b8%b8%e6%a3%92%e7%9a%84mysql-dba%e9%9d%a2%e8%a9%a6%e9%a1%8c%ef%bc%88%e9%99%84%e7%ad%94%e6%a1%88%ef%bc%89-zGhibdnYJa\">\u5341\u500b\u975e\u5e38\u68d2\u7684MySQL DBA\u9762\u8a66\u984c\uff08\u9644\u7b54\u6848\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u4f5c\u70ba\u4e00\u540dMySQL\u6578\u64da\u5eab\u7ba1\u7406\u54e1\uff08DBA\uff09\uff0c\u9700\u8981\u5177\u5099\u624e\u5be6\u7684\u6280\u8853\u77e5\u8b58\u548c\u89e3\u6c7a\u554f\u984c\u7684\u80fd\u529b\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5341\u500b\u975e\u5e38\u68d2\u7684MySQL DBA\u9762\u8a66\u984c\uff0c\u4e26\u9644\u4e0a\u8a73\u7d30\u7684\u7b54\u6848\uff0c\u5e6b\u52a9\u6c42\u8077\u8005\u66f4\u597d\u5730\u6e96\u5099\u9762\u8a66\u3002<\/p>\n<h2 id=\"1-mysql%e7%9a%84%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f%e5%ae%83%e5%80%91%e4%b9%8b%e9%96%93%e6%9c%89%e4%bb%80%e9%ba%bc%e5%8d%80%e5%88%a5%ef%bc%9f-zGhibdnYJa\">1. MySQL\u7684\u5b58\u5132\u5f15\u64ce\u6709\u54ea\u4e9b\uff1f\u5b83\u5011\u4e4b\u9593\u6709\u4ec0\u9ebc\u5340\u5225\uff1f<\/h2>\n<p>MySQL\u652f\u6301\u591a\u7a2e\u5b58\u5132\u5f15\u64ce\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>InnoDB\uff1a<\/strong>\u652f\u6301\u4e8b\u52d9\u3001\u884c\u7d1a\u9396\u5b9a\u548c\u5916\u9375\uff0c\u9069\u5408\u9700\u8981\u9ad8\u4e26\u767c\u548c\u6578\u64da\u5b8c\u6574\u6027\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>MyISAM\uff1a<\/strong>\u4e0d\u652f\u6301\u4e8b\u52d9\u548c\u5916\u9375\uff0c\u4f46\u8b80\u53d6\u901f\u5ea6\u5feb\uff0c\u9069\u5408\u4ee5\u8b80\u53d6\u70ba\u4e3b\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>MEMORY\uff1a<\/strong>\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u901f\u5ea6\u5feb\uff0c\u4f46\u6578\u64da\u4e0d\u6301\u4e45\u5316\uff0c\u9069\u5408\u81e8\u6642\u6578\u64da\u3002<\/li>\n<li><strong>CSV\uff1a<\/strong>\u5c07\u6578\u64da\u5b58\u5132\u70baCSV\u6587\u4ef6\uff0c\u4fbf\u65bc\u8207\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96mysql%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd%ef%bc%9f-zGhibdnYJa\">2. \u5982\u4f55\u512a\u5316MySQL\u67e5\u8a62\u6027\u80fd\uff1f<\/h2>\n<p>\u512a\u5316MySQL\u67e5\u8a62\u6027\u80fd\u7684\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\u3002<\/li>\n<li>\u4f7f\u7528EXPLAIN\u547d\u4ee4\u5206\u6790\u67e5\u8a62\u8a08\u5283\u3002<\/li>\n<li>\u5b9a\u671f\u6e05\u7406\u548c\u512a\u5316\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e4%bb%80%e9%ba%bc%e6%98%afacid%e7%89%b9%e6%80%a7%ef%bc%9f%e7%82%ba%e4%bb%80%e9%ba%bc%e5%ae%83%e5%b0%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8d%e8%a6%81%ef%bc%9f-zGhibdnYJa\">3. \u4ec0\u9ebc\u662fACID\u7279\u6027\uff1f\u70ba\u4ec0\u9ebc\u5b83\u5c0d\u6578\u64da\u5eab\u91cd\u8981\uff1f<\/h2>\n<p>ACID\u662f\u6307\u539f\u5b50\u6027\uff08Atomicity\uff09\u3001\u4e00\u81f4\u6027\uff08Consistency\uff09\u3001\u9694\u96e2\u6027\uff08Isolation\uff09\u548c\u6301\u4e45\u6027\uff08Durability\uff09\u3002\u9019\u4e9b\u7279\u6027\u78ba\u4fdd\u4e86\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u53ef\u9760\u6027\u548c\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u7279\u5225\u662f\u5728\u4e8b\u52d9\u8655\u7406\u4e2d\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"4-%e5%a6%82%e4%bd%95%e5%82%99%e4%bb%bd%e5%92%8c%e6%81%a2%e5%be%a9mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-zGhibdnYJa\">4. \u5982\u4f55\u5099\u4efd\u548c\u6062\u5fa9MySQL\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5099\u4efd\u548c\u6062\u5fa9MySQL\u6578\u64da\u5eab\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528mysqldump\u547d\u4ee4\u9032\u884c\u908f\u8f2f\u5099\u4efd\uff1a<code>mysqldump -u username -p database_name &gt; backup.sql<\/code><\/li>\n<li>\u4f7f\u7528mysqlhotcopy\u9032\u884c\u7269\u7406\u5099\u4efd\uff08\u50c5\u9650MyISAM\u5f15\u64ce\uff09\u3002<\/li>\n<li>\u6062\u5fa9\u6578\u64da\u5eab\uff1a<code>mysql -u username -p database_name &lt; backup.sql<\/code><\/li>\n<\/ul>\n<h2 id=\"5-%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%a2%e5%bc%95%ef%bc%9f%e5%ae%83%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f-zGhibdnYJa\">5. \u4ec0\u9ebc\u662f\u7d22\u5f15\uff1f\u5b83\u7684\u4f5c\u7528\u662f\u4ec0\u9ebc\uff1f<\/h2>\n<p>\u7d22\u5f15\u662f\u6578\u64da\u5eab\u4e2d\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u52a0\u901f\u67e5\u8a62\u64cd\u4f5c\u3002\u901a\u904e\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u66f4\u5feb\u5730\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5e38\u898b\u7684\u7d22\u5f15\u985e\u578b\u5305\u62ecB-Tree\u7d22\u5f15\u548c\u54c8\u5e0c\u7d22\u5f15\u3002<\/p>\n<h2 id=\"6-%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86mysql%e4%b8%ad%e7%9a%84%e6%ad%bb%e9%8e%96%ef%bc%9f-zGhibdnYJa\">6. \u5982\u4f55\u8655\u7406MySQL\u4e2d\u7684\u6b7b\u9396\uff1f<\/h2>\n<p>\u8655\u7406\u6b7b\u9396\u7684\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528SHOW ENGINE INNODB STATUS\u547d\u4ee4\u6aa2\u67e5\u6b7b\u9396\u4fe1\u606f\u3002<\/li>\n<li>\u8a2d\u8a08\u826f\u597d\u7684\u4e8b\u52d9\uff0c\u907f\u514d\u9577\u6642\u9593\u6301\u6709\u9396\u3002<\/li>\n<li>\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u9806\u5e8f\uff0c\u6e1b\u5c11\u6b7b\u9396\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"7-mysql%e4%b8%ad%e7%9a%84%e4%ba%8b%e5%8b%99%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%ef%bc%9f-zGhibdnYJa\">7. MySQL\u4e2d\u7684\u4e8b\u52d9\u662f\u4ec0\u9ebc\uff1f\u5982\u4f55\u4f7f\u7528\uff1f<\/h2>\n<p>\u4e8b\u52d9\u662f\u4e00\u7d44\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u4f7f\u7528\u4e8b\u52d9\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>START TRANSACTION;\n-- SQL\u64cd\u4f5c\nCOMMIT; -- \u6216 ROLLBACK;<\/code><\/pre>\n<h2 id=\"8-%e4%bb%80%e9%ba%bc%e6%98%af%e8%a7%b8%e7%99%bc%e5%99%a8%ef%bc%88trigger%ef%bc%89%ef%bc%9f%e5%ae%83%e7%9a%84%e7%94%a8%e9%80%94%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f-zGhibdnYJa\">8. \u4ec0\u9ebc\u662f\u89f8\u767c\u5668\uff08Trigger\uff09\uff1f\u5b83\u7684\u7528\u9014\u662f\u4ec0\u9ebc\uff1f<\/h2>\n<p>\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5b58\u5132\u7a0b\u5e8f\uff0c\u5728\u7279\u5b9a\u4e8b\u4ef6\uff08\u5982INSERT\u3001UPDATE\u6216DELETE\uff09\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\u3002\u5b83\u5011\u53ef\u7528\u65bc\u81ea\u52d5\u5316\u6578\u64da\u9a57\u8b49\u3001\u5be9\u8a08\u548c\u7dad\u8b77\u6578\u64da\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"9-%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%aemysql%e7%9a%84%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90%ef%bc%9f-zGhibdnYJa\">9. \u5982\u4f55\u8a2d\u7f6eMySQL\u7684\u7528\u6236\u6b0a\u9650\uff1f<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528GRANT\u547d\u4ee4\u8a2d\u7f6e\u7528\u6236\u6b0a\u9650\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>GRANT SELECT, INSERT ON database_name.* TO 'username'@'host';<\/code><\/pre>\n<p>\u4f7f\u7528REVOKE\u547d\u4ee4\u64a4\u92b7\u6b0a\u9650\u3002<\/p>\n<h2 id=\"10-mysql%e7%9a%84%e8%a4%87%e8%a3%bd%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f%e5%ae%83%e6%9c%89%e4%bb%80%e9%ba%bc%e7%94%a8%e9%80%94%ef%bc%9f-zGhibdnYJa\">10. MySQL\u7684\u8907\u88fd\u662f\u4ec0\u9ebc\uff1f\u5b83\u6709\u4ec0\u9ebc\u7528\u9014\uff1f<\/h2>\n<p>MySQL\u8907\u88fd\u662f\u4e00\u7a2e\u6578\u64da\u540c\u6b65\u6280\u8853\uff0c\u5141\u8a31\u5c07\u6578\u64da\u5f9e\u4e00\u500bMySQL\u4f3a\u670d\u5668\u8907\u88fd\u5230\u53e6\u4e00\u500b\u4f3a\u670d\u5668\u3002\u5b83\u901a\u5e38\u7528\u65bc\u8ca0\u8f09\u5747\u8861\u3001\u6578\u64da\u5099\u4efd\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zGhibdnYJa\">\u7e3d\u7d50<\/h2>\n<p>\u4ee5\u4e0a\u5341\u500bMySQL DBA\u9762\u8a66\u984c\u53ca\u5176\u7b54\u6848\u6db5\u84cb\u4e86\u6578\u64da\u5eab\u7ba1\u7406\u7684\u6838\u5fc3\u6982\u5ff5\u548c\u6280\u8853\u3002\u7121\u8ad6\u662f\u6e96\u5099\u9762\u8a66\u9084\u662f\u63d0\u5347\u81ea\u5df1\u7684\u6280\u8853\u6c34\u5e73\uff0c\u9019\u4e9b\u554f\u984c\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u6df1\u5165\u5730\u7406\u89e3MySQL\u7684\u904b\u4f5c\u3002\u82e5\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5341\u500b\u7cbe\u9078\u7684MySQL DBA\u9762\u8a66\u984c\u53ca\u5176\u8a73\u7d30\u7b54\u6848\uff0c\u5e6b\u52a9\u4f60\u6e96\u5099\u9762\u8a66\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6280\u80fd\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-182514","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182514","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=182514"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182514\/revisions"}],"predecessor-version":[{"id":182515,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182514\/revisions\/182515"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}