{"id":2298,"date":"2025-03-04T08:24:29","date_gmt":"2025-03-04T00:24:29","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2298"},"modified":"2025-03-04T08:24:29","modified_gmt":"2025-03-04T00:24:29","slug":"sqlite-%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/04\/sqlite-%e5%91%bd%e4%bb%a4\/","title":{"rendered":"SQLite \u547d\u4ee4"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><strong>SQLite \u5e38\u7528\u547d\u4ee4\u5927\u5168<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQLite \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u547d\u4ee4\u6765\u7ba1\u7406\u6570\u636e\u5e93\u3001\u8868\u548c\u6570\u636e\u3002\u4e0b\u9762\u662f SQLite \u4e3b\u8981\u7684\u547d\u4ee4\u5206\u7c7b\u53ca\u5176\u793a\u4f8b\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. SQLite \u57fa\u672c\u547d\u4ee4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u547d\u4ee4\u7528\u4e8e\u7ba1\u7406\u6570\u636e\u5e93\u3001\u67e5\u770b SQLite \u7248\u672c\u548c\u9000\u51fa SQLite\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u547d\u4ee4<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>.help<\/code><\/td><td>\u663e\u793a\u6240\u6709 SQLite \u547d\u4ee4\u7684\u5e2e\u52a9\u4fe1\u606f<\/td><\/tr><tr><td><code>.version<\/code><\/td><td>\u663e\u793a SQLite \u7248\u672c\u4fe1\u606f<\/td><\/tr><tr><td><code>.exit<\/code> \u6216 <code>.quit<\/code><\/td><td>\u9000\u51fa SQLite \u4ea4\u4e92\u6a21\u5f0f<\/td><\/tr><tr><td><code>.databases<\/code><\/td><td>\u663e\u793a\u5f53\u524d\u8fde\u63a5\u7684\u6570\u636e\u5e93<\/td><\/tr><tr><td><code>.tables<\/code><\/td><td>\u663e\u793a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u8868<\/td><\/tr><tr><td><code>.schema [table_name]<\/code><\/td><td>\u663e\u793a\u8868\u7ed3\u6784\uff08\u6a21\u5f0f\uff09<\/td><\/tr><tr><td><code>.mode column<\/code><\/td><td>\u4ee5\u5217\u6a21\u5f0f\u663e\u793a\u67e5\u8be2\u7ed3\u679c<\/td><\/tr><tr><td><code>.headers on<\/code><\/td><td>\u663e\u793a\u67e5\u8be2\u7ed3\u679c\u7684\u5217\u540d<\/td><\/tr><tr><td><code>.show<\/code><\/td><td>\u663e\u793a SQLite \u5f53\u524d\u7684\u914d\u7f6e\u4fe1\u606f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sqlite3 test.db   # \u8fdb\u5165 SQLite \u5e76\u6253\u5f00 test.db \u6570\u636e\u5e93\nsqlite&gt; .tables   # \u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u8868\nsqlite&gt; .schema users  # \u67e5\u770b users \u8868\u7684\u7ed3\u6784\nsqlite&gt; .exit     # \u9000\u51fa SQLite<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. SQLite \u6570\u636e\u5e93\u7ba1\u7406<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u521b\u5efa\u6570\u636e\u5e93<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQLite \u91c7\u7528 <strong>\u5355\u6587\u4ef6\u5b58\u50a8<\/strong>\uff0c\u521b\u5efa\u6570\u636e\u5e93\u65f6\uff0c\u53ea\u9700\u6307\u5b9a\u6570\u636e\u5e93\u6587\u4ef6\u540d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sqlite3 mydatabase.db<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c <code>mydatabase.db<\/code> \u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5b83\u5c06\u81ea\u52a8\u521b\u5efa\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5220\u9664\u6570\u636e\u5e93<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQLite \u4e0d\u63d0\u4f9b\u76f4\u63a5\u5220\u9664\u6570\u636e\u5e93\u7684\u547d\u4ee4\uff0c\u5220\u9664\u6570\u636e\u5e93\u6587\u4ef6\u5373\u53ef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rm mydatabase.db  # Linux\/macOS\ndel mydatabase.db # Windows<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u8fde\u63a5\u6570\u636e\u5e93<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 SQLite \u4ea4\u4e92\u6a21\u5f0f\u4e0b\u6253\u5f00\u5df2\u6709\u6570\u636e\u5e93\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sqlite3 mydatabase.db<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. SQLite \u8868\u7ba1\u7406<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u521b\u5efa\u8868<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE TABLE users (\n    id INTEGER PRIMARY KEY AUTOINCREMENT,\n    name TEXT NOT NULL,\n    age INTEGER\n);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u67e5\u770b\u8868\u7ed3\u6784<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>.schema users<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5220\u9664\u8868<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP TABLE users;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u91cd\u547d\u540d\u8868<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ALTER TABLE users RENAME TO customers;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6dfb\u52a0\u65b0\u5217<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ALTER TABLE users ADD COLUMN email TEXT;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. SQLite \u6570\u636e\u64cd\u4f5c<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u63d2\u5165\u6570\u636e<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>INSERT INTO users (name, age) VALUES ('Alice', 25);\nINSERT INTO users (name, age) VALUES ('Bob', 30);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u67e5\u8be2\u6570\u636e<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT * FROM users;\nSELECT name, age FROM users WHERE age &gt; 25;\nSELECT COUNT(*) FROM users;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u66f4\u65b0\u6570\u636e<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>UPDATE users SET age = 35 WHERE name = 'Alice';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5220\u9664\u6570\u636e<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>DELETE FROM users WHERE name = 'Bob';\nDELETE FROM users;  -- \u6e05\u7a7a\u8868\u6570\u636e<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. SQLite \u4e8b\u52a1\u7ba1\u7406<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5f00\u542f\u4e8b\u52a1<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>BEGIN TRANSACTION;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u63d0\u4ea4\u4e8b\u52a1<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>COMMIT;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u56de\u6eda\u4e8b\u52a1<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ROLLBACK;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>BEGIN TRANSACTION;\nINSERT INTO users (name, age) VALUES ('Charlie', 40);\nROLLBACK;  -- \u64a4\u9500\u63d2\u5165\u64cd\u4f5c<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. SQLite \u7d22\u5f15<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u521b\u5efa\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE INDEX idx_users_name ON users (name);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5220\u9664\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP INDEX idx_users_name;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. SQLite \u89c6\u56fe<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u521b\u5efa\u89c6\u56fe<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE VIEW user_names AS\nSELECT id, name FROM users;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u67e5\u8be2\u89c6\u56fe<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT * FROM user_names;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5220\u9664\u89c6\u56fe<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP VIEW user_names;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. SQLite \u5bfc\u51fa\u548c\u5bfc\u5165\u6570\u636e<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5bfc\u51fa\u6570\u636e\uff08CSV \u683c\u5f0f\uff09<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sqlite&gt; .mode csv\nsqlite&gt; .headers on\nsqlite&gt; .output users.csv\nsqlite&gt; SELECT * FROM users;\nsqlite&gt; .output stdout  # \u91cd\u65b0\u8bbe\u7f6e\u8f93\u51fa\u5230\u7ec8\u7aef<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5bfc\u5165\u6570\u636e\uff08CSV \u683c\u5f0f\uff09<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sqlite&gt; .mode csv\nsqlite&gt; .import users.csv users<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9. SQLite \u9ad8\u7ea7\u547d\u4ee4<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u67e5\u770b\u6570\u636e\u5e93\u5927\u5c0f<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT page_count * page_size as size_in_bytes FROM pragma_page_count(), pragma_page_size();<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u542f\u7528\/\u7981\u7528\u5916\u952e<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>PRAGMA foreign_keys = ON;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4f18\u5316\u6570\u636e\u5e93<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>VACUUM;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>10. SQLite GUI \u5de5\u5177<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u60f3\u8981\u4f7f\u7528\u56fe\u5f62\u754c\u9762\u7ba1\u7406 SQLite \u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DB Browser for SQLite<\/strong>\uff08\u514d\u8d39\uff0c\u63a8\u8350\uff09<a href=\"https:\/\/sqlitebrowser.org\/\">\u4e0b\u8f7d\u5730\u5740<\/a><\/li>\n\n\n\n<li><strong>SQLiteStudio<\/strong><\/li>\n\n\n\n<li><strong>DBeaver<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5206\u7c7b<\/th><th>\u5e38\u7528\u547d\u4ee4<\/th><\/tr><\/thead><tbody><tr><td><strong>\u57fa\u672c\u547d\u4ee4<\/strong><\/td><td><code>.help<\/code> <code>.version<\/code> <code>.exit<\/code> <code>.tables<\/code> <code>.schema<\/code><\/td><\/tr><tr><td><strong>\u6570\u636e\u5e93\u7ba1\u7406<\/strong><\/td><td><code>sqlite3 mydatabase.db<\/code> <code>rm mydatabase.db<\/code><\/td><\/tr><tr><td><strong>\u8868\u7ba1\u7406<\/strong><\/td><td><code>CREATE TABLE<\/code> <code>DROP TABLE<\/code> <code>ALTER TABLE<\/code><\/td><\/tr><tr><td><strong>\u6570\u636e\u64cd\u4f5c<\/strong><\/td><td><code>INSERT<\/code> <code>SELECT<\/code> <code>UPDATE<\/code> <code>DELETE<\/code><\/td><\/tr><tr><td><strong>\u4e8b\u52a1<\/strong><\/td><td><code>BEGIN TRANSACTION<\/code> <code>COMMIT<\/code> <code>ROLLBACK<\/code><\/td><\/tr><tr><td><strong>\u7d22\u5f15<\/strong><\/td><td><code>CREATE INDEX<\/code> <code>DROP INDEX<\/code><\/td><\/tr><tr><td><strong>\u89c6\u56fe<\/strong><\/td><td><code>CREATE VIEW<\/code> <code>DROP VIEW<\/code><\/td><\/tr><tr><td><strong>\u5bfc\u5165\/\u5bfc\u51fa<\/strong><\/td><td><code>.mode csv<\/code> <code>.import<\/code> <code>.output<\/code><\/td><\/tr><tr><td><strong>\u4f18\u5316<\/strong><\/td><td><code>PRAGMA<\/code> <code>VACUUM<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u60f3\u8981\u5148\u4ece\u54ea\u4e2a\u90e8\u5206\u5f00\u59cb\u7ec3\u4e60\uff1f\u53ef\u4ee5\u4ece\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\u5f00\u59cb\uff0c\u8fd8\u662f\u76f4\u63a5\u64cd\u4f5c\u6570\u636e\uff1f\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQLite \u5e38\u7528\u547d\u4ee4\u5927\u5168 SQLite \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u547d\u4ee4\u6765\u7ba1\u7406\u6570\u636e\u5e93\u3001\u8868\u548c\u6570\u636e\u3002\u4e0b\u9762\u662f SQLite \u4e3b\u8981\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-2298","post","type-post","status-publish","format-standard","hentry","category-sqlite"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2298"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2298\/revisions"}],"predecessor-version":[{"id":2299,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2298\/revisions\/2299"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}