{"id":144023,"date":"2024-11-01T03:13:26","date_gmt":"2024-10-31T19:13:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/144023\/"},"modified":"2024-11-01T03:13:27","modified_gmt":"2024-10-31T19:13:27","slug":"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e7%a1%ac%e7%a2%9f%e4%bd%94%e6%bb%bf%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%9f-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8a%8a%e7%a1%ac%e7%a2%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/144023\/","title":{"rendered":"SQL \u6578\u64da\u5eab\u5982\u4f55\u89e3\u6c7a\u786c\u789f\u4f54\u6eff\u7684\u554f\u984c\uff1f (sql \u6578\u64da\u5eab\u628a\u786c\u789f\u4f54\u6eff\u4e86)"},"content":{"rendered":"<h1 id=\"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e7%a1%ac%e7%a2%9f%e4%bd%94%e6%bb%bf%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%9f-aqFaSIBbyQ\">SQL \u6578\u64da\u5eab\u5982\u4f55\u89e3\u6c7a\u786c\u789f\u4f54\u6eff\u7684\u554f\u984c\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL \u6578\u64da\u5eab\u5df2\u6210\u70ba\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u786c\u789f\u4f54\u6eff\u7684\u554f\u984c\u4e5f\u65e5\u76ca\u7a81\u51fa\u3002\u7576\u786c\u789f\u7a7a\u9593\u4e0d\u8db3\u6642\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u751a\u81f3\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406 SQL \u6578\u64da\u5eab\u4ee5\u89e3\u6c7a\u786c\u789f\u4f54\u6eff\u7684\u554f\u984c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e7%a1%ac%e7%a2%9f%e4%bd%94%e6%bb%bf%e7%9a%84%e5%8e%9f%e5%9b%a0-aqFaSIBbyQ\">\u786c\u789f\u4f54\u6eff\u7684\u539f\u56e0<\/h2>\n<p>\u786c\u789f\u4f54\u6eff\u7684\u539f\u56e0\u591a\u7a2e\u591a\u6a23\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u589e\u9577\uff1a<\/strong>\u96a8\u8457\u696d\u52d9\u7684\u767c\u5c55\uff0c\u6578\u64da\u91cf\u4e0d\u65b7\u589e\u52a0\uff0c\u7279\u5225\u662f\u5728\u96fb\u5b50\u5546\u52d9\u3001\u793e\u4ea4\u5a92\u9ad4\u548c\u7269\u806f\u7db2\u7b49\u9818\u57df\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6587\u4ef6\uff1a<\/strong>SQL \u6578\u64da\u5eab\u6703\u751f\u6210\u5927\u91cf\u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u9019\u4e9b\u6587\u4ef6\u8a18\u9304\u4e86\u6240\u6709\u7684\u6578\u64da\u8b8a\u66f4\u548c\u67e5\u8a62\u64cd\u4f5c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u9019\u4e9b\u65e5\u8a8c\u6587\u4ef6\u53ef\u80fd\u6703\u4f54\u7528\u5927\u91cf\u7a7a\u9593\u3002<\/li>\n<li><strong>\u5197\u9918\u6578\u64da\uff1a<\/strong>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u91cd\u8907\u6216\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6703\u5c0e\u81f4\u7a7a\u9593\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u672a\u6e05\u7406\u7684\u81e8\u6642\u6587\u4ef6\uff1a<\/strong>\u67d0\u4e9b\u64cd\u4f5c\u53ef\u80fd\u6703\u751f\u6210\u81e8\u6642\u6587\u4ef6\uff0c\u5982\u679c\u4e0d\u5b9a\u671f\u6e05\u7406\uff0c\u9019\u4e9b\u6587\u4ef6\u4e5f\u6703\u4f54\u7528\u786c\u789f\u7a7a\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e7%a1%ac%e7%a2%9f%e4%bd%94%e6%bb%bf%e7%9a%84%e7%ad%96%e7%95%a5-aqFaSIBbyQ\">\u89e3\u6c7a\u786c\u789f\u4f54\u6eff\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u786c\u789f\u4f54\u6eff\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-aqFaSIBbyQ\">1. \u6578\u64da\u6e05\u7406<\/h3>\n<p>\u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u662f\u4fdd\u6301\u6578\u64da\u5eab\u5065\u5eb7\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u53ef\u4ee5\u4f7f\u7528 SQL \u67e5\u8a62\u4f86\u8b58\u5225\u548c\u522a\u9664\u904e\u671f\u6216\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DELETE FROM orders WHERE order_date &lt; '2022-01-01';<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u522a\u9664\u6240\u6709\u5728 2022 \u5e74 1 \u6708 1 \u65e5\u4e4b\u524d\u7684\u8a02\u55ae\u8a18\u9304\u3002<\/p>\n<h3 id=\"2-%e5%a3%93%e7%b8%ae%e6%95%b8%e6%93%9a-aqFaSIBbyQ\">2. \u58d3\u7e2e\u6578\u64da<\/h3>\n<p>\u8a31\u591a SQL \u6578\u64da\u5eab\u7cfb\u7d71\u652f\u6301\u6578\u64da\u58d3\u7e2e\u529f\u80fd\u3002\u901a\u904e\u58d3\u7e2e\u6578\u64da\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6578\u64da\u4f54\u7528\u7684\u7a7a\u9593\u3002\u4f8b\u5982\uff0c\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u555f\u7528\u8868\u58d3\u7e2e\uff1a<\/p>\n<pre><code>ALTER TABLE my_table ROW_FORMAT=COMPRESSED;<\/code><\/pre>\n<h3 id=\"3-%e7%ae%a1%e7%90%86%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6-aqFaSIBbyQ\">3. \u7ba1\u7406\u65e5\u8a8c\u6587\u4ef6<\/h3>\n<p>\u65e5\u8a8c\u6587\u4ef6\u7684\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u53ef\u4ee5\u8a2d\u7f6e\u81ea\u52d5\u6e05\u7406\u7b56\u7565\uff0c\u5b9a\u671f\u522a\u9664\u820a\u7684\u65e5\u8a8c\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6e05\u7406\u65e5\u8a8c\uff1a<\/p>\n<pre><code>BACKUP LOG my_database TO DISK='backup_log.trn' WITH TRUNCATE_ONLY;<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e8%a1%a8-aqFaSIBbyQ\">4. \u4f7f\u7528\u5206\u5340\u8868<\/h3>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u8868\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u6578\u64da\u3002\u5206\u5340\u8868\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5b58\u5132\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u4e26\u6e1b\u5c11\u55ae\u500b\u8868\u7684\u5927\u5c0f\u3002<\/p>\n<h3 id=\"5-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e5%92%8c%e6%ad%b8%e6%aa%94-aqFaSIBbyQ\">5. \u5b9a\u671f\u5099\u4efd\u548c\u6b78\u6a94<\/h3>\n<p>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u4e26\u5c07\u4e0d\u5e38\u7528\u7684\u6578\u64da\u6b78\u6a94\u5230\u5176\u4ed6\u5b58\u5132\u4e2d\uff0c\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u786c\u789f\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528 SQL \u7684\u5099\u4efd\u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>BACKUP DATABASE my_database TO DISK='backup.bak';<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-aqFaSIBbyQ\">\u7d50\u8ad6<\/h2>\n<p>\u786c\u789f\u4f54\u6eff\u7684\u554f\u984c\u5728 SQL \u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u662f\u4e0d\u53ef\u5ffd\u8996\u7684\u6311\u6230\u3002\u901a\u904e\u5b9a\u671f\u6e05\u7406\u6578\u64da\u3001\u58d3\u7e2e\u6578\u64da\u3001\u7ba1\u7406\u65e5\u8a8c\u6587\u4ef6\u3001\u4f7f\u7528\u5206\u5340\u8868\u4ee5\u53ca\u5b9a\u671f\u5099\u4efd\u548c\u6b78\u6a94\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684 SQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u786c\u789f\u7a7a\u9593\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL\u6578\u64da\u5eab\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6578\u64da\uff0c\u907f\u514d\u786c\u789f\u4f54\u6eff\u554f\u984c\uff0c\u63d0\u5347\u6027\u80fd\u8207\u5b58\u5132\u6548\u7387\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-144023","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144023","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=144023"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144023\/revisions"}],"predecessor-version":[{"id":144024,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144023\/revisions\/144024"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=144023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=144023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=144023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}