{"id":142009,"date":"2024-10-31T22:15:19","date_gmt":"2024-10-31T14:15:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/142009\/"},"modified":"2024-10-31T22:15:20","modified_gmt":"2024-10-31T14:15:20","slug":"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e8%a8%ad%ef%bc%9a%e5%be%9e%e9%9b%b6%e9%96%8b%e5%a7%8b%e5%88%b0%e5%84%aa%e5%8c%96%e5%af%a6%e8%b8%90%ef%bc%88sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e8%a8%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/142009\/","title":{"rendered":"SQL \u6578\u64da\u5eab\u67b6\u8a2d\uff1a\u5f9e\u96f6\u958b\u59cb\u5230\u512a\u5316\u5be6\u8e10\uff08sql \u6578\u64da\u5eab\u67b6\u8a2d\uff09"},"content":{"rendered":"<h1 id=\"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e8%a8%ad%ef%bc%9a%e5%be%9e%e9%9b%b6%e9%96%8b%e5%a7%8b%e5%88%b0%e5%84%aa%e5%8c%96%e5%af%a6%e8%b8%90-tTIGkgXnIy\">SQL \u6578\u64da\u5eab\u67b6\u8a2d\uff1a\u5f9e\u96f6\u958b\u59cb\u5230\u512a\u5316\u5be6\u8e10<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL \u6578\u64da\u5eab\u5df2\u6210\u70ba\u8a31\u591a\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\u67b6\u8a2d\u548c\u7ba1\u7406\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u5f9e\u96f6\u958b\u59cb\u4ecb\u7d39 SQL \u6578\u64da\u5eab\u7684\u67b6\u8a2d\u904e\u7a0b\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u512a\u5316\u5be6\u8e10\u7684\u5efa\u8b70\u3002<\/p>\n<h2 id=\"1-%e4%bb%80%e9%ba%bc%e6%98%af-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-tTIGkgXnIy\">1. \u4ec0\u9ebc\u662f SQL \u6578\u64da\u5eab\uff1f<\/h2>\n<p>SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u4f7f\u7528 SQL \u8a9e\u8a00\u4f86\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u5b83\u5141\u8a31\u7528\u6236\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u5e38\u898b\u7684 SQL \u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ec MySQL\u3001PostgreSQL\u3001Microsoft SQL Server \u548c SQLite \u7b49\u3002<\/p>\n<h2 id=\"2-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e8%a8%ad%e6%ad%a5%e9%a9%9f-tTIGkgXnIy\">2. SQL \u6578\u64da\u5eab\u67b6\u8a2d\u6b65\u9a5f<\/h2>\n<h3 id=\"2-1-%e9%81%b8%e6%93%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1-tTIGkgXnIy\">2.1 \u9078\u64c7\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u9078\u64c7\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u3002\u6839\u64da\u60a8\u7684\u9700\u6c42\u548c\u9810\u7b97\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u958b\u6e90\u7684 MySQL \u6216 PostgreSQL\uff0c\u6216\u662f\u5546\u696d\u7684 Microsoft SQL Server\u3002\u9019\u88e1\u4ee5 MySQL \u70ba\u4f8b\u9032\u884c\u8aaa\u660e\u3002<\/p>\n<h3 id=\"2-2-%e5%ae%89%e8%a3%9d-mysql-tTIGkgXnIy\">2.2 \u5b89\u88dd MySQL<\/h3>\n<p>\u5728 Linux \u7cfb\u7d71\u4e0a\u5b89\u88dd MySQL \u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt install mysql-server\n<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 MySQL \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start mysql\n<\/code><\/pre>\n<h3 id=\"2-3-%e9%85%8d%e7%bd%ae-mysql-tTIGkgXnIy\">2.3 \u914d\u7f6e MySQL<\/h3>\n<p>\u5b89\u88dd\u5f8c\uff0c\u60a8\u9700\u8981\u9032\u884c\u4e00\u4e9b\u57fa\u672c\u914d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u5168\u914d\u7f6e\uff1a<\/p>\n<pre><code>sudo mysql_secure_installation\n<\/code><\/pre>\n<p>\u9019\u5c07\u5f15\u5c0e\u60a8\u8a2d\u7f6e root \u5bc6\u78bc\u3001\u522a\u9664\u533f\u540d\u7528\u6236\u3001\u7981\u7528\u9060\u7a0b root \u767b\u9304\u7b49\u5b89\u5168\u9078\u9805\u3002<\/p>\n<h3 id=\"2-4-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e7%94%a8%e6%88%b6-tTIGkgXnIy\">2.4 \u5275\u5efa\u6578\u64da\u5eab\u548c\u7528\u6236<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u767b\u9304 MySQL \u4e26\u5275\u5efa\u6578\u64da\u5eab\u548c\u7528\u6236\uff1a<\/p>\n<pre><code>mysql -u root -p\nCREATE DATABASE my_database;\nCREATE USER 'my_user'@'localhost' IDENTIFIED BY 'my_password';\nGRANT ALL PRIVILEGES ON my_database.* TO 'my_user'@'localhost';\nFLUSH PRIVILEGES;\n<\/code><\/pre>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e5%8e%9f%e5%89%87-tTIGkgXnIy\">3. \u6578\u64da\u5eab\u8a2d\u8a08\u539f\u5247<\/h2>\n<p>\u5728\u67b6\u8a2d\u6578\u64da\u5eab\u6642\uff0c\u826f\u597d\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u8a08\u539f\u5247\uff1a<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316\uff1a<\/strong>\u901a\u904e\u6b63\u898f\u5316\u4f86\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\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>\u6578\u64da\u985e\u578b\uff1a<\/strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff0c\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%84%aa%e5%8c%96%e5%af%a6%e8%b8%90-tTIGkgXnIy\">4. \u6578\u64da\u5eab\u512a\u5316\u5be6\u8e10<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u67b6\u8a2d\u5b8c\u6210\u5f8c\uff0c\u6301\u7e8c\u7684\u512a\u5316\u662f\u5fc5\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u5be6\u8e10\uff1a<\/p>\n<h3 id=\"4-1-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-tTIGkgXnIy\">4.1 \u67e5\u8a62\u512a\u5316<\/h3>\n<p>\u4f7f\u7528 EXPLAIN \u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u6027\u80fd\uff0c\u627e\u51fa\u74f6\u9838\u4e26\u9032\u884c\u8abf\u6574\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPLAIN SELECT * FROM my_table WHERE column = 'value';\n<\/code><\/pre>\n<h3 id=\"4-2-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd-tTIGkgXnIy\">4.2 \u5b9a\u671f\u5099\u4efd<\/h3>\n<p>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002\u53ef\u4ee5\u4f7f\u7528 mysqldump \u5de5\u5177\u9032\u884c\u5099\u4efd\uff1a<\/p>\n<pre><code>mysqldump -u my_user -p my_database &gt; backup.sql\n<\/code><\/pre>\n<h3 id=\"4-3-%e7%9b%a3%e6%8e%a7%e6%80%a7%e8%83%bd-tTIGkgXnIy\">4.3 \u76e3\u63a7\u6027\u80fd<\/h3>\n<p>\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff08\u5982 MySQL Workbench \u6216\u5176\u4ed6\u7b2c\u4e09\u65b9\u5de5\u5177\uff09\u4f86\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tTIGkgXnIy\">\u7e3d\u7d50<\/h2>\n<p>\u67b6\u8a2d SQL \u6578\u64da\u5eab\u662f\u4e00\u500b\u7cfb\u7d71\u5316\u7684\u904e\u7a0b\uff0c\u5f9e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u5230\u9032\u884c\u512a\u5316\u5be6\u8e10\uff0c\u6bcf\u4e00\u6b65\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\u548c\u539f\u5247\uff0c\u60a8\u53ef\u4ee5\u5efa\u7acb\u4e00\u500b\u9ad8\u6548\u4e14\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5f9e\u96f6\u958b\u59cb\u67b6\u8a2dSQL\u6578\u64da\u5eab\uff0c\u4e26\u638c\u63e1\u512a\u5316\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u6027\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-142009","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142009","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=142009"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142009\/revisions"}],"predecessor-version":[{"id":142010,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142009\/revisions\/142010"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=142009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=142009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=142009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}