{"id":162605,"date":"2024-11-04T16:29:23","date_gmt":"2024-11-04T08:29:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162605\/"},"modified":"2024-11-04T16:29:24","modified_gmt":"2024-11-04T08:29:24","slug":"%e7%b0%a1%e6%98%93%e5%af%a6%e7%94%a8%e7%9a%84%e9%80%9a%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95-%e9%80%9a%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162605\/","title":{"rendered":"\u7c21\u6613\u5be6\u7528\u7684\u901a\u7528\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u6cd5 (\u901a\u7528\u6578\u64da\u5eab\u64cd\u4f5c)"},"content":{"rendered":"<h1 id=\"%e7%b0%a1%e6%98%93%e5%af%a6%e7%94%a8%e7%9a%84%e9%80%9a%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95-%e9%80%9a%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-ESoUdfHrHn\">\u7c21\u6613\u5be6\u7528\u7684\u901a\u7528\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u6cd5 (\u901a\u7528\u6578\u64da\u5eab\u64cd\u4f5c)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u5df2\u6210\u70ba\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u6578\u64da\u5eab\u7684\u6709\u6548\u7ba1\u7406\u548c\u64cd\u4f5c\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9b\u7c21\u6613\u5be6\u7528\u7684\u901a\u7528\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ESoUdfHrHn\">1. \u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u5b58\u5132\u5728\u8a08\u7b97\u6a5f\u7cfb\u7d71\u4e2d\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u662f\u7528\u65bc\u5275\u5efa\u3001\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u8edf\u4ef6\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u985e\u578b\u5305\u62ec\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MySQL\u3001PostgreSQL\uff09\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MongoDB\u3001Cassandra\uff09\u3002<\/p>\n<h2 id=\"2-%e5%b8%b8%e8%a6%8b%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-ESoUdfHrHn\">2. \u5e38\u898b\u7684\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n<h3 id=\"2-1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-ESoUdfHrHn\">2.1 \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u7b2c\u4e00\u6b65\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 MySQL \u5275\u5efa\u6578\u64da\u5eab\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE DATABASE database_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba &#8220;my_database&#8221; \u7684\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CREATE DATABASE my_database;<\/code><\/pre>\n<h3 id=\"2-2-%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%a0%bc-ESoUdfHrHn\">2.2 \u5275\u5efa\u8868\u683c<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u8868\u683c\u662f\u7528\u4f86\u5b58\u5132\u6578\u64da\u7684\u7d50\u69cb\u3002\u5275\u5efa\u8868\u683c\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE table_name (\n    column1 datatype,\n    column2 datatype,\n    ...\n);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u540d\u70ba &#8220;users&#8221; \u7684\u8868\u683c\uff0c\u5305\u542b &#8220;id&#8221; \u548c &#8220;name&#8221; \u5169\u500b\u6b04\u4f4d\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100)\n);<\/code><\/pre>\n<h3 id=\"2-3-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-ESoUdfHrHn\">2.3 \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u63d2\u5165\u6578\u64da\u662f\u5c07\u6578\u64da\u6dfb\u52a0\u5230\u8868\u683c\u4e2d\u7684\u904e\u7a0b\u3002\u4f7f\u7528 INSERT \u8a9e\u53e5\u53ef\u4ee5\u5be6\u73fe\u9019\u4e00\u64cd\u4f5c\uff1a<\/p>\n<pre><code>INSERT INTO table_name (column1, column2, ...)\nVALUES (value1, value2, ...);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5411 &#8220;users&#8221; \u8868\u683c\u4e2d\u63d2\u5165\u4e00\u689d\u6578\u64da\uff1a<\/p>\n<pre><code>INSERT INTO users (name) VALUES ('Alice');<\/code><\/pre>\n<h3 id=\"2-4-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-ESoUdfHrHn\">2.4 \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u662f\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u4fe1\u606f\u7684\u904e\u7a0b\u3002\u4f7f\u7528 SELECT \u8a9e\u53e5\u53ef\u4ee5\u67e5\u8a62\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u8a62 &#8220;users&#8221; \u8868\u683c\u4e2d\u7684\u6240\u6709\u7528\u6236\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<h3 id=\"2-5-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-ESoUdfHrHn\">2.5 \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u66f4\u65b0\u6578\u64da\u662f\u4fee\u6539\u5df2\u5b58\u5728\u6578\u64da\u7684\u904e\u7a0b\u3002\u4f7f\u7528 UPDATE \u8a9e\u53e5\u53ef\u4ee5\u5be6\u73fe\u9019\u4e00\u64cd\u4f5c\uff1a<\/p>\n<pre><code>UPDATE table_name\nSET column1 = value1, column2 = value2, ...\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5c07 &#8220;users&#8221; \u8868\u683c\u4e2d id \u70ba 1 \u7684\u7528\u6236\u540d\u7a31\u66f4\u65b0\u70ba &#8220;Bob&#8221;\uff1a<\/p>\n<pre><code>UPDATE users\nSET name = 'Bob'\nWHERE id = 1;<\/code><\/pre>\n<h3 id=\"2-6-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-ESoUdfHrHn\">2.6 \u522a\u9664\u6578\u64da<\/h3>\n<p>\u522a\u9664\u6578\u64da\u662f\u5f9e\u8868\u683c\u4e2d\u79fb\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u4f7f\u7528 DELETE \u8a9e\u53e5\u53ef\u4ee5\u5be6\u73fe\u9019\u4e00\u64cd\u4f5c\uff1a<\/p>\n<pre><code>DELETE FROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u522a\u9664 &#8220;users&#8221; \u8868\u683c\u4e2d id \u70ba 1 \u7684\u7528\u6236\uff1a<\/p>\n<pre><code>DELETE FROM users\nWHERE id = 1;<\/code><\/pre>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-ESoUdfHrHn\">3. \u6578\u64da\u5eab\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u78ba\u4fdd\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u67e5\u8a62\u5275\u5efa\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\uff0c\u9650\u5236\u8a2a\u554f\u6b0a\u9650\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ESoUdfHrHn\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u638c\u63e1\u7c21\u6613\u5be6\u7528\u7684\u901a\u7528\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u7121\u8ad6\u662f\u5275\u5efa\u6578\u64da\u5eab\u3001\u63d2\u5165\u6578\u64da\u9084\u662f\u67e5\u8a62\u6578\u64da\uff0c\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u90fd\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u57fa\u790e\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7c21\u6613\u5be6\u7528\u7684\u901a\u7528\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u9069\u5408\u5404\u7a2e\u61c9\u7528\u5834\u666f\uff0c\u52a9\u60a8\u8f15\u9b06\u638c\u63e1\u6578\u64da\u5eab\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-162605","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162605","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=162605"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162605\/revisions"}],"predecessor-version":[{"id":162606,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162605\/revisions\/162606"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}