{"id":163703,"date":"2024-11-05T01:43:29","date_gmt":"2024-11-04T17:43:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163703\/"},"modified":"2024-11-05T01:43:30","modified_gmt":"2024-11-04T17:43:30","slug":"%e8%a7%a3%e6%b1%basql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%b1%e4%ba%ab%e8%a8%aa%e5%95%8f%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95-sql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%b1%e4%ba%ab%e8%a8%aa%e5%95%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163703\/","title":{"rendered":"\u89e3\u6c7aSQL\u6578\u64da\u5eab\u5171\u4eab\u8a2a\u554f\u554f\u984c\u7684\u65b9\u6cd5 (sql\u6578\u64da\u5eab\u5171\u4eab\u8a2a\u554f\u4e0d\u4e86)"},"content":{"rendered":"

\u89e3\u6c7aSQL\u6578\u64da\u5eab\u5171\u4eab\u8a2a\u554f\u554f\u984c\u7684\u65b9\u6cd5<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cSQL\u6578\u64da\u5eab\u6210\u70ba\u4e86\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u7136\u800c\uff0c\u7576\u591a\u500b\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u540c\u6642\u8a2a\u554f\u540c\u4e00\u500b\u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u5171\u4eab\u8a2a\u554f\u7684\u554f\u984c\u3002\u9019\u4e9b\u554f\u984c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u640d\u58de\u3001\u6027\u80fd\u4e0b\u964d\u6216\u751a\u81f3\u7cfb\u7d71\u5d29\u6f70\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u89e3\u6c7aSQL\u6578\u64da\u5eab\u5171\u4eab\u8a2a\u554f\u554f\u984c\u7684\u5e7e\u7a2e\u65b9\u6cd5\u3002<\/p>\n

1. \u78ba\u4fdd\u6b63\u78ba\u7684\u7528\u6236\u6b0a\u9650\u8a2d\u7f6e<\/h2>\n

\u5728SQL\u6578\u64da\u5eab\u4e2d\uff0c\u6b63\u78ba\u7684\u7528\u6236\u6b0a\u9650\u8a2d\u7f6e\u81f3\u95dc\u91cd\u8981\u3002\u6bcf\u500b\u7528\u6236\u61c9\u8a72\u6839\u64da\u5176\u89d2\u8272\u548c\u9700\u6c42\u7372\u5f97\u76f8\u61c9\u7684\u8a2a\u554f\u6b0a\u9650\u3002\u904e\u591a\u7684\u6b0a\u9650\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u88ab\u610f\u5916\u4fee\u6539\u6216\u522a\u9664\uff0c\u800c\u904e\u5c11\u7684\u6b0a\u9650\u5247\u53ef\u80fd\u963b\u7919\u6b63\u5e38\u7684\u64cd\u4f5c\u3002<\/p>\n

-- \u5275\u5efa\u7528\u6236\u4e26\u8a2d\u7f6e\u6b0a\u9650\nCREATE USER 'new_user'@'localhost' IDENTIFIED BY 'password';\nGRANT SELECT, INSERT, UPDATE ON database_name.* TO 'new_user'@'localhost';\n<\/code><\/pre>\n
2. \u4f7f\u7528\u4e8b\u52d9\u7ba1\u7406<\/h2>\n
\u4e8b\u52d9\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u4f7f\u7528\u4e8b\u52d9\uff0c\u60a8\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u7d44\u5408\u5728\u4e00\u8d77\uff0c\u78ba\u4fdd\u5b83\u5011\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u5171\u4eab\u8a2a\u554f\u6642\u51fa\u73fe\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/p>\n
-- \u958b\u59cb\u4e8b\u52d9\nSTART TRANSACTION;\n\n-- \u57f7\u884c\u591a\u500b\u64cd\u4f5c\nINSERT INTO table_name (column1, column2) VALUES (value1, value2);\nUPDATE table_name SET column1 = value WHERE condition;\n\n-- \u63d0\u4ea4\u4e8b\u52d9\nCOMMIT;\n<\/code><\/pre>\n
3. \u5be6\u65bd\u9396\u5b9a\u6a5f\u5236<\/h2>\n
\u9396\u5b9a\u6a5f\u5236\u53ef\u4ee5\u9632\u6b62\u591a\u500b\u7528\u6236\u540c\u6642\u4fee\u6539\u540c\u4e00\u6578\u64da\u884c\u3002SQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u5b9a\u985e\u578b\uff0c\u5305\u62ec\u884c\u9396\u548c\u8868\u9396\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9396\u5b9a\u985e\u578b\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5171\u4eab\u8a2a\u554f\u554f\u984c\u3002<\/p>\n
-- \u7372\u53d6\u884c\u9396\nSELECT * FROM table_name WHERE condition FOR UPDATE;\n<\/code><\/pre>\n
4. \u512a\u5316\u67e5\u8a62\u6027\u80fd<\/h2>\n
\u67e5\u8a62\u6027\u80fd\u7684\u512a\u5316\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u63d0\u9ad8\u5171\u4eab\u8a2a\u554f\u7684\u6548\u7387\u3002\u4f7f\u7528\u7d22\u5f15\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u8868\u6383\u63cf\u4ee5\u53ca\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u90fd\u662f\u63d0\u9ad8\u6027\u80fd\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n
-- \u5275\u5efa\u7d22\u5f15\nCREATE INDEX index_name ON table_name (column_name);\n<\/code><\/pre>\n
5. \u4f7f\u7528\u8ca0\u8f09\u5747\u8861<\/h2>\n
\u5728\u9ad8\u6d41\u91cf\u7684\u74b0\u5883\u4e2d\uff0c\u4f7f\u7528\u8ca0\u8f09\u5747\u8861\u53ef\u4ee5\u5c07\u8acb\u6c42\u5206\u6563\u5230\u591a\u500b\u6578\u64da\u5eab\u5be6\u4f8b\u4e0a\uff0c\u5f9e\u800c\u6e1b\u5c11\u55ae\u4e00\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002<\/p>\n
6. \u5b9a\u671f\u5099\u4efd\u6578\u64da<\/h2>\n
\u5373\u4f7f\u63a1\u53d6\u4e86\u6240\u6709\u9810\u9632\u63aa\u65bd\uff0c\u6578\u64da\u640d\u58de\u7684\u98a8\u96aa\u4ecd\u7136\u5b58\u5728\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u5099\u4efd\u6578\u64da\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u767c\u751f\u610f\u5916\u60c5\u6cc1\uff0c\u4e5f\u80fd\u8fc5\u901f\u6062\u5fa9\u6578\u64da\uff0c\u6e1b\u5c11\u640d\u5931\u3002<\/p>\n
-- \u5099\u4efd\u6578\u64da\u5eab\nmysqldump -u username -p database_name > backup.sql\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u89e3\u6c7aSQL\u6578\u64da\u5eab\u5171\u4eab\u8a2a\u554f\u554f\u984c\u9700\u8981\u7d9c\u5408\u8003\u616e\u591a\u7a2e\u56e0\u7d20\uff0c\u5305\u62ec\u7528\u6236\u6b0a\u9650\u3001\u4e8b\u52d9\u7ba1\u7406\u3001\u9396\u5b9a\u6a5f\u5236\u3001\u67e5\u8a62\u6027\u80fd\u3001\u8ca0\u8f09\u5747\u8861\u548c\u6578\u64da\u5099\u4efd\u7b49\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\uff0c\u78ba\u4fdd\u591a\u7528\u6236\u74b0\u5883\u4e0b\u7684\u6578\u64da\u5b89\u5168\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u89e3\u6c7aSQL\u6578\u64da\u5eab\u5171\u4eab\u8a2a\u554f\u554f\u984c\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u6709\u6548\u8655\u7406\u6578\u64da\u5eab\u8a2a\u554f\u56f0\u96e3\uff0c\u63d0\u5347\u5de5\u4f5c\u6548\u7387\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-163703","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163703","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=163703"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163703\/revisions"}],"predecessor-version":[{"id":163704,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163703\/revisions\/163704"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}