{"id":142573,"date":"2024-10-31T22:55:18","date_gmt":"2024-10-31T14:55:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/142573\/"},"modified":"2024-10-31T22:55:19","modified_gmt":"2024-10-31T14:55:19","slug":"sqlite-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%99%90%e5%88%b6%e8%bf%94%e5%9b%9e%e8%a1%8c%e6%95%b8%e5%92%8c%e5%88%a5%e5%90%8d%e7%9a%84%e4%bb%a3%e7%a2%bc%e5%af%a6%e4%be%8b%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/142573\/","title":{"rendered":"SQLite \u6578\u64da\u5eab\u9650\u5236\u8fd4\u56de\u884c\u6578\u548c\u5225\u540d\u7684\u4ee3\u78bc\u5be6\u4f8b\u89e3\u6790"},"content":{"rendered":"<h1 id=\"sqlite-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%99%90%e5%88%b6%e8%bf%94%e5%9b%9e%e8%a1%8c%e6%95%b8%e5%92%8c%e5%88%a5%e5%90%8d%e7%9a%84%e4%bb%a3%e7%a2%bc%e5%af%a6%e4%be%8b%e8%a7%a3%e6%9e%90-nbjFrAWObi\">SQLite \u6578\u64da\u5eab\u9650\u5236\u8fd4\u56de\u884c\u6578\u548c\u5225\u540d\u7684\u4ee3\u78bc\u5be6\u4f8b\u89e3\u6790<\/h1>\n<p>SQLite \u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7531\u65bc\u5176\u7c21\u55ae\u6613\u7528\u548c\u9ad8\u6548\u7684\u7279\u6027\uff0cSQLite \u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u5728\u4f7f\u7528 SQLite \u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u9700\u8981\u9650\u5236\u67e5\u8a62\u8fd4\u56de\u7684\u884c\u6578\u4ee5\u53ca\u4f7f\u7528\u5225\u540d\u4f86\u63d0\u9ad8\u67e5\u8a62\u7684\u53ef\u8b80\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 SQLite \u4e2d\u5be6\u73fe\u9019\u4e9b\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u5be6\u4f8b\u3002<\/p>\n<h2 id=\"%e9%99%90%e5%88%b6%e8%bf%94%e5%9b%9e%e8%a1%8c%e6%95%b8-nbjFrAWObi\">\u9650\u5236\u8fd4\u56de\u884c\u6578<\/h2>\n<p>\u5728 SQLite \u4e2d\uff0c\u9650\u5236\u67e5\u8a62\u8fd4\u56de\u7684\u884c\u6578\u53ef\u4ee5\u4f7f\u7528 <code>LIMIT<\/code> \u5b50\u53e5\u3002\u9019\u500b\u5b50\u53e5\u5141\u8a31\u958b\u767c\u8005\u6307\u5b9a\u67e5\u8a62\u7d50\u679c\u4e2d\u8981\u8fd4\u56de\u7684\u6700\u5927\u884c\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 <code>LIMIT<\/code> \u4f86\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\uff1a<\/p>\n<pre><code>SELECT * FROM employees LIMIT 5;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u67e5\u8a62\u5c07\u8fd4\u56de <code>employees<\/code> \u8868\u4e2d\u7684\u524d\u4e94\u884c\u6578\u64da\u3002\u5982\u679c\u9700\u8981\u5f9e\u67d0\u4e00\u7279\u5b9a\u884c\u958b\u59cb\u8fd4\u56de\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>OFFSET<\/code> \u5b50\u53e5\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u5c07\u8df3\u904e\u524d\u5169\u884c\uff0c\u7136\u5f8c\u8fd4\u56de\u63a5\u4e0b\u4f86\u7684\u4e09\u884c\uff1a<\/p>\n<pre><code>SELECT * FROM employees LIMIT 3 OFFSET 2;<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%88%a5%e5%90%8d%e6%8f%90%e9%ab%98%e5%8f%af%e8%ae%80%e6%80%a7-nbjFrAWObi\">\u4f7f\u7528\u5225\u540d\u63d0\u9ad8\u53ef\u8b80\u6027<\/h2>\n<p>\u5728 SQL \u67e5\u8a62\u4e2d\uff0c\u4f7f\u7528\u5225\u540d\u53ef\u4ee5\u4f7f\u67e5\u8a62\u7d50\u679c\u66f4\u52a0\u6613\u65bc\u7406\u89e3\u3002\u5225\u540d\u53ef\u4ee5\u7528\u65bc\u5217\u540d\u548c\u8868\u540d\uff0c\u901a\u904e\u4f7f\u7528 <code>AS<\/code> \u95dc\u9375\u5b57\u4f86\u5b9a\u7fa9\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u5225\u540d\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT first_name AS \"\u540d\", last_name AS \"\u59d3\" FROM employees;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c<code>first_name<\/code> \u548c <code>last_name<\/code> \u5217\u88ab\u5206\u5225\u547d\u540d\u70ba\u300c\u540d\u300d\u548c\u300c\u59d3\u300d\u3002\u9019\u6a23\u7684\u547d\u540d\u65b9\u5f0f\u4f7f\u5f97\u67e5\u8a62\u7d50\u679c\u66f4\u52a0\u76f4\u89c0\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u591a\u8a9e\u8a00\u61c9\u7528\u6642\u3002<\/p>\n<h2 id=\"%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-limit-%e5%92%8c%e5%88%a5%e5%90%8d-nbjFrAWObi\">\u7d50\u5408\u4f7f\u7528 LIMIT \u548c\u5225\u540d<\/h2>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u5c07 <code>LIMIT<\/code> \u548c\u5225\u540d\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5728\u9650\u5236\u8fd4\u56de\u884c\u6578\u7684\u540c\u6642\u63d0\u9ad8\u67e5\u8a62\u7d50\u679c\u7684\u53ef\u8b80\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7d9c\u5408\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT first_name AS \"\u540d\", last_name AS \"\u59d3\" FROM employees LIMIT 10;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de <code>employees<\/code> \u8868\u4e2d\u7684\u524d\u5341\u540d\u54e1\u5de5\u7684\u540d\u5b57\u548c\u59d3\u6c0f\uff0c\u4e26\u4f7f\u7528\u5225\u540d\u4f86\u63d0\u9ad8\u7d50\u679c\u7684\u53ef\u8b80\u6027\u3002<\/p>\n<h2 id=\"%e5%b0%8f%e7%b5%90-nbjFrAWObi\">\u5c0f\u7d50<\/h2>\n<p>\u5728 SQLite \u4e2d\uff0c\u4f7f\u7528 <code>LIMIT<\/code> \u5b50\u53e5\u53ef\u4ee5\u6709\u6548\u5730\u9650\u5236\u67e5\u8a62\u8fd4\u56de\u7684\u884c\u6578\uff0c\u800c\u4f7f\u7528\u5225\u540d\u5247\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7d50\u679c\u7684\u53ef\u8b80\u6027\u3002\u9019\u4e9b\u529f\u80fd\u5c0d\u65bc\u958b\u767c\u8005\u5728\u8655\u7406\u6578\u64da\u6642\u975e\u5e38\u91cd\u8981\uff0c\u80fd\u5920\u5e6b\u52a9\u4ed6\u5011\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5c55\u793a\u6578\u64da\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\u6642\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u7684 SQL \u6280\u5de7\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u958b\u767c\u5de5\u4f5c\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQLite\u6578\u64da\u5eab\u4e2d\u9650\u5236\u8fd4\u56de\u884c\u6578\u548c\u4f7f\u7528\u5225\u540d\u7684\u4ee3\u78bc\u5be6\u4f8b\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\u8207\u53ef\u8b80\u6027\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-142573","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142573","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=142573"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142573\/revisions"}],"predecessor-version":[{"id":142574,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142573\/revisions\/142574"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=142573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=142573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=142573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}