{"id":168475,"date":"2024-11-06T12:41:19","date_gmt":"2024-11-06T04:41:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168475\/"},"modified":"2024-11-06T12:41:19","modified_gmt":"2024-11-06T04:41:19","slug":"sql-%e8%aa%9e%e5%8f%a5%e4%b8%ad%e7%89%b9%e6%ae%8a%e5%ad%97%e7%ac%a6%e7%9a%84%e8%99%95%e7%90%86%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168475\/","title":{"rendered":"SQL \u8a9e\u53e5\u4e2d\u7279\u6b8a\u5b57\u7b26\u7684\u8655\u7406\u65b9\u6cd5"},"content":{"rendered":"

SQL \u8a9e\u53e5\u4e2d\u7279\u6b8a\u5b57\u7b26\u7684\u8655\u7406\u65b9\u6cd5<\/h1>\n

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\u7279\u6b8a\u5b57\u7b26\u7684\u5b9a\u7fa9<\/h2>\n

\u5728 SQL \u8a9e\u53e5\u4e2d\uff0c\u7279\u6b8a\u5b57\u7b26\u901a\u5e38\u6307\u7684\u662f\u90a3\u4e9b\u5177\u6709\u7279\u5b9a\u610f\u7fa9\u7684\u5b57\u7b26\uff0c\u4f8b\u5982\u55ae\u5f15\u865f\uff08’\uff09\u3001\u96d9\u5f15\u865f\uff08”\uff09\u3001\u53cd\u659c\u6760\uff08\uff09\u7b49\u3002\u9019\u4e9b\u5b57\u7b26\u5728 SQL \u8a9e\u53e5\u4e2d\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u7d50\u69cb\uff0c\u5c0e\u81f4\u8a9e\u6cd5\u932f\u8aa4\u6216\u4e0d\u9810\u671f\u7684\u884c\u70ba\u3002<\/p>\n

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1. \u55ae\u5f15\u865f\uff08’\uff09<\/h3>\n

\u55ae\u5f15\u865f\u5728 SQL \u4e2d\u7528\u65bc\u5305\u570d\u5b57\u7b26\u4e32\u3002\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u55ae\u5f15\u865f\uff0c\u5247\u9700\u8981\u9032\u884c\u8f49\u7fa9\u3002\u8f49\u7fa9\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5169\u500b\u55ae\u5f15\u865f\u4f86\u8868\u793a\u4e00\u500b\u55ae\u5f15\u865f\u3002\u4f8b\u5982\uff1a<\/p>\n

SELECT * FROM users WHERE name = 'O''Reilly';<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c’O’Reilly’ \u4e2d\u7684\u55ae\u5f15\u865f\u88ab\u8f49\u7fa9\u70ba ‘O”Reilly’\uff0c\u9019\u6a23 SQL \u5f15\u64ce\u5c31\u80fd\u6b63\u78ba\u89e3\u6790\u9019\u500b\u5b57\u7b26\u4e32\u3002<\/p>\n
2. \u96d9\u5f15\u865f\uff08”\uff09<\/h3>\n
\u96d9\u5f15\u865f\u901a\u5e38\u7528\u65bc\u6a19\u8b58\u7b26\uff08\u5982\u8868\u540d\u6216\u5217\u540d\uff09\u3002\u5728\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u96d9\u5f15\u865f\u4e5f\u53ef\u4ee5\u7528\u65bc\u5305\u570d\u5b57\u7b26\u4e32\u3002\u5982\u679c\u6a19\u8b58\u7b26\u4e2d\u5305\u542b\u96d9\u5f15\u865f\uff0c\u5247\u9700\u8981\u4f7f\u7528\u5169\u500b\u96d9\u5f15\u865f\u9032\u884c\u8f49\u7fa9\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT \"user\"\"s\" FROM \"users\";<\/code><\/pre>\n
3. \u53cd\u659c\u6760\uff08\uff09<\/h3>\n
\u53cd\u659c\u6760\u5728\u67d0\u4e9b SQL \u6578\u64da\u5eab\u4e2d\u7528\u4f5c\u8f49\u7fa9\u5b57\u7b26\u3002\u5982\u679c\u9700\u8981\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u53cd\u659c\u6760\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u96d9\u53cd\u659c\u6760\u9032\u884c\u8f49\u7fa9\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT * FROM files WHERE path = 'C:\\Users\\Public';<\/code><\/pre>\n
\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62<\/h2>\n
\u70ba\u4e86\u907f\u514d\u624b\u52d5\u8655\u7406\u7279\u6b8a\u5b57\u7b26\uff0c\u5efa\u8b70\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u3002\u53c3\u6578\u5316\u67e5\u8a62\u53ef\u4ee5\u81ea\u52d5\u8655\u7406\u7279\u6b8a\u5b57\u7b26\uff0c\u5f9e\u800c\u6e1b\u5c11 SQL \u6ce8\u5165\u7684\u98a8\u96aa\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n
stmt = connection.prepareStatement(\"SELECT * FROM users WHERE name = ?\");\nstmt.setString(1, \"O'Reilly\");\nResultSet rs = stmt.executeQuery();<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86\u9810\u8655\u7406\u8a9e\u53e5\uff0c\u9019\u6a23\u53ef\u4ee5\u5b89\u5168\u5730\u63d2\u5165\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\uff0c\u800c\u4e0d\u5fc5\u64d4\u5fc3\u7279\u6b8a\u5b57\u7b26\u7684\u554f\u984c\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728 SQL \u8a9e\u53e5\u4e2d\u6b63\u78ba\u8655\u7406\u7279\u6b8a\u5b57\u7b26\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u5b89\u5168\u548c\u6b63\u78ba\u7684\u95dc\u9375\u3002\u901a\u904e\u4e86\u89e3\u5e38\u898b\u7684\u7279\u6b8a\u5b57\u7b26\u53ca\u5176\u8655\u7406\u65b9\u6cd5\uff0c\u4e26\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u4f86\u907f\u514d\u624b\u52d5\u8655\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u932f\u8aa4\u548c\u5b89\u5168\u98a8\u96aa\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc \u9999\u6e2f VPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3SQL\u8a9e\u53e5\u4e2d\u5982\u4f55\u8655\u7406\u7279\u6b8a\u5b57\u7b26\uff0c\u907f\u514d\u8a9e\u6cd5\u932f\u8aa4\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u67e5\u8a62\u6e96\u78ba\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-168475","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168475","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=168475"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168475\/revisions"}],"predecessor-version":[{"id":168476,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168475\/revisions\/168476"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}