{"id":160693,"date":"2024-11-04T00:13:23","date_gmt":"2024-11-03T16:13:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160693\/"},"modified":"2024-11-04T00:13:25","modified_gmt":"2024-11-03T16:13:25","slug":"sqlite-%e6%95%99%e7%a8%8b%ef%bc%9asqlite-vacuum","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160693\/","title":{"rendered":"SQLITE \u6559\u7a0b\uff1aSQLite Vacuum"},"content":{"rendered":"<h1 id=\"sqlite-%e6%95%99%e7%a8%8b%ef%bc%9asqlite-vacuum-ZVxXWkYdjY\">SQLITE \u6559\u7a0b\uff1aSQLite Vacuum<\/h1>\n<p>SQLite \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u96a8\u8457\u8cc7\u6599\u7684\u589e\u9577\uff0cSQLite \u8cc7\u6599\u5eab\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u70ba\u4e86\u4fdd\u6301\u8cc7\u6599\u5eab\u7684\u9ad8\u6548\u904b\u884c\uff0cSQLite \u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70ba <code>VACUUM<\/code> \u7684\u547d\u4ee4\uff0c\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u91cd\u5efa\u8cc7\u6599\u5eab\uff0c\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\uff0c\u4e26\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-sqlite-vacuum%ef%bc%9f-ZVxXWkYdjY\">\u4ec0\u9ebc\u662f SQLite Vacuum\uff1f<\/h2>\n<p><code>VACUUM<\/code> \u547d\u4ee4\u7684\u4e3b\u8981\u529f\u80fd\u662f\u91cd\u5efa\u8cc7\u6599\u5eab\u6587\u4ef6\u3002\u7576\u8cc7\u6599\u5eab\u4e2d\u522a\u9664\u6216\u66f4\u65b0\u4e86\u5927\u91cf\u8cc7\u6599\u6642\uff0c\u9019\u4e9b\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6599\u5eab\u6587\u4ef6\u4e2d\u51fa\u73fe\u7a7a\u6d1e\uff0c\u9019\u4e9b\u7a7a\u6d1e\u6703\u4f54\u7528\u78c1\u789f\u7a7a\u9593\u4e26\u5f71\u97ff\u6027\u80fd\u3002\u57f7\u884c <code>VACUUM<\/code> \u547d\u4ee4\u5f8c\uff0cSQLite \u6703\u5275\u5efa\u4e00\u500b\u65b0\u7684\u8cc7\u6599\u5eab\u6587\u4ef6\uff0c\u5c07\u6240\u6709\u6709\u6548\u7684\u8cc7\u6599\u8907\u88fd\u5230\u9019\u500b\u65b0\u6587\u4ef6\u4e2d\uff0c\u7136\u5f8c\u66ff\u63db\u6389\u820a\u7684\u8cc7\u6599\u5eab\u6587\u4ef6\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e4%bd%bf%e7%94%a8-vacuum%ef%bc%9f-ZVxXWkYdjY\">\u70ba\u4ec0\u9ebc\u9700\u8981\u4f7f\u7528 Vacuum\uff1f<\/h2>\n<ul>\n<li><strong>\u91cb\u653e\u7a7a\u9593\uff1a<\/strong>\u7576\u8cc7\u6599\u88ab\u522a\u9664\u6216\u66f4\u65b0\u6642\uff0c\u539f\u6709\u7684\u7a7a\u9593\u4e0d\u6703\u7acb\u5373\u88ab\u91cb\u653e\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6599\u5eab\u6587\u4ef6\u8b8a\u5f97\u9f90\u5927\u3002\u4f7f\u7528 <code>VACUUM<\/code> \u53ef\u4ee5\u91cb\u653e\u9019\u4e9b\u7a7a\u9593\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u96a8\u8457\u8cc7\u6599\u5eab\u7684\u589e\u9577\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u80fd\u6703\u4e0b\u964d\u3002\u91cd\u5efa\u8cc7\u6599\u5eab\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u5927\u91cf\u8cc7\u6599\u88ab\u522a\u9664\u6216\u66f4\u65b0\u5f8c\u3002<\/li>\n<li><strong>\u4fdd\u6301\u8cc7\u6599\u5eab\u6574\u6f54\uff1a<\/strong>\u5b9a\u671f\u57f7\u884c <code>VACUUM<\/code> \u53ef\u4ee5\u4fdd\u6301\u8cc7\u6599\u5eab\u7684\u6574\u6f54\uff0c\u907f\u514d\u56e0\u70ba\u7a7a\u6d1e\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-vacuum-%e5%91%bd%e4%bb%a4%ef%bc%9f-ZVxXWkYdjY\">\u5982\u4f55\u4f7f\u7528 Vacuum \u547d\u4ee4\uff1f<\/h2>\n<p>\u4f7f\u7528 <code>VACUUM<\/code> \u547d\u4ee4\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u5728 SQLite \u7684\u547d\u4ee4\u884c\u4ecb\u9762\u6216\u61c9\u7528\u7a0b\u5f0f\u4e2d\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>VACUUM;<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u958b\u59cb\u91cd\u5efa\u8cc7\u6599\u5eab\uff0c\u904e\u7a0b\u4e2d\u6703\u66ab\u6642\u4f54\u7528\u984d\u5916\u7684\u78c1\u789f\u7a7a\u9593\uff0c\u76f4\u5230\u91cd\u5efa\u5b8c\u6210\u3002\u5b8c\u6210\u5f8c\uff0c\u820a\u7684\u8cc7\u6599\u5eab\u6587\u4ef6\u6703\u88ab\u522a\u9664\uff0c\u65b0\u7684\u8cc7\u6599\u5eab\u6587\u4ef6\u5c07\u53d6\u800c\u4ee3\u4e4b\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ZVxXWkYdjY\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u57f7\u884c\u6642\u9593\uff1a<\/strong>\u6839\u64da\u8cc7\u6599\u5eab\u7684\u5927\u5c0f\u548c\u8cc7\u6599\u91cf\uff0c<code>VACUUM<\/code> \u547d\u4ee4\u7684\u57f7\u884c\u6642\u9593\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u5728\u57f7\u884c\u6b64\u547d\u4ee4\u6642\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\uff0c\u4ee5\u907f\u514d\u5f71\u97ff\u4f7f\u7528\u8005\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u5099\u4efd\u8cc7\u6599\uff1a<\/strong>\u5728\u57f7\u884c <code>VACUUM<\/code> \u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u8cc7\u6599\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u60c5\u6cc1\u5c0e\u81f4\u8cc7\u6599\u4e1f\u5931\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5eab\u9396\u5b9a\uff1a<\/strong>\u5728\u57f7\u884c <code>VACUUM<\/code> \u6642\uff0c\u8cc7\u6599\u5eab\u6703\u88ab\u9396\u5b9a\uff0c\u9019\u610f\u5473\u8457\u5176\u4ed6\u64cd\u4f5c\u5c07\u7121\u6cd5\u9032\u884c\uff0c\u76f4\u5230\u91cd\u5efa\u5b8c\u6210\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZVxXWkYdjY\">\u7d50\u8ad6<\/h2>\n<p>SQLite \u7684 <code>VACUUM<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u4fdd\u6301\u8cc7\u6599\u5eab\u7684\u6027\u80fd\u548c\u6574\u6f54\u3002\u5b9a\u671f\u57f7\u884c\u6b64\u547d\u4ee4\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u7a7a\u9593\u4e26\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u968e\u6bb5\u9084\u662f\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u4f7f\u7528 <code>VACUUM<\/code> \u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 SQLite \u8cc7\u6599\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to optimize your SQLite database with the VACUUM command to reclaim unused space and improve performance in this comprehensive tutorial.<\/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-160693","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160693","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=160693"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160693\/revisions"}],"predecessor-version":[{"id":160694,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160693\/revisions\/160694"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}