{"id":93912,"date":"2024-10-19T17:57:16","date_gmt":"2024-10-19T09:57:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93912\/"},"modified":"2024-10-19T17:57:17","modified_gmt":"2024-10-19T09:57:17","slug":"oracle-escape%e8%bd%89%e7%be%a9%e7%ac%a6%e8%88%87escape%e9%97%9c%e9%8d%b5%e5%ad%97%e7%9a%84%e6%ad%a3%e7%a2%ba%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93912\/","title":{"rendered":"Oracle ESCAPE\u8f49\u7fa9\u7b26\u8207ESCAPE\u95dc\u9375\u5b57\u7684\u6b63\u78ba\u7528\u6cd5"},"content":{"rendered":"<h1 id=\"oracle-escape%e8%bd%89%e7%be%a9%e7%ac%a6%e8%88%87escape%e9%97%9c%e9%8d%b5%e5%ad%97%e7%9a%84%e6%ad%a3%e7%a2%ba%e7%94%a8%e6%b3%95-uabYfwLArJ\">Oracle ESCAPE\u8f49\u7fa9\u7b26\u8207ESCAPE\u95dc\u9375\u5b57\u7684\u6b63\u78ba\u7528\u6cd5<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u8cc7\u6599\u5eab\u9032\u884c\u67e5\u8a62\u6642\uff0c\u8655\u7406\u7279\u6b8a\u5b57\u7b26\u662f\u4e00\u500b\u5e38\u898b\u7684\u6311\u6230\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528LIKE\u904b\u7b97\u7b26\u9032\u884c\u6a21\u5f0f\u5339\u914d\u6642\uff0c\u67d0\u4e9b\u5b57\u7b26\u5982\u767e\u5206\u865f\uff08%\uff09\u548c\u5e95\u7dda\uff08_\uff09\u5177\u6709\u7279\u6b8a\u610f\u7fa9\u3002\u70ba\u4e86\u6b63\u78ba\u5730\u67e5\u8a62\u5305\u542b\u9019\u4e9b\u5b57\u7b26\u7684\u6578\u64da\uff0cOracle\u63d0\u4f9b\u4e86ESCAPE\u8f49\u7fa9\u7b26\u548cESCAPE\u95dc\u9375\u5b57\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u5169\u8005\u7684\u6b63\u78ba\u7528\u6cd5\u53ca\u5176\u61c9\u7528\u793a\u4f8b\u3002<\/p>\n<h2 id=\"escape%e8%bd%89%e7%be%a9%e7%ac%a6%e7%9a%84%e6%a6%82%e5%bf%b5-uabYfwLArJ\">ESCAPE\u8f49\u7fa9\u7b26\u7684\u6982\u5ff5<\/h2>\n<p>\u5728SQL\u67e5\u8a62\u4e2d\uff0c\u7576\u6211\u5011\u4f7f\u7528LIKE\u904b\u7b97\u7b26\u6642\uff0c\u767e\u5206\u865f\uff08%\uff09\u4ee3\u8868\u4efb\u610f\u6578\u91cf\u7684\u5b57\u7b26\uff0c\u800c\u5e95\u7dda\uff08_\uff09\u5247\u4ee3\u8868\u55ae\u500b\u5b57\u7b26\u3002\u5982\u679c\u6211\u5011\u5e0c\u671b\u67e5\u8a62\u7684\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u9019\u4e9b\u5b57\u7b26\uff0c\u5247\u9700\u8981\u4f7f\u7528ESCAPE\u8f49\u7fa9\u7b26\u4f86\u544a\u8a34Oracle\u9019\u4e9b\u5b57\u7b26\u61c9\u88ab\u8996\u70ba\u666e\u901a\u5b57\u7b26\uff0c\u800c\u975e\u901a\u914d\u7b26\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8escape%e9%97%9c%e9%8d%b5%e5%ad%97-uabYfwLArJ\">\u4f7f\u7528ESCAPE\u95dc\u9375\u5b57<\/h2>\n<p>\u5728SQL\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528ESCAPE\u95dc\u9375\u5b57\u4f86\u5b9a\u7fa9\u4e00\u500b\u8f49\u7fa9\u5b57\u7b26\u3002\u9019\u500b\u8f49\u7fa9\u5b57\u7b26\u53ef\u4ee5\u662f\u4efb\u4f55\u55ae\u4e00\u5b57\u7b26\uff0c\u901a\u5e38\u9078\u64c7\u4e00\u500b\u4e0d\u6703\u5728\u67e5\u8a62\u4e2d\u51fa\u73fe\u7684\u5b57\u7b26\uff0c\u4f8b\u5982\u53cd\u659c\u6760\uff08\uff09\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528ESCAPE\u95dc\u9375\u5b57\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>SELECT column_name\nFROM table_name\nWHERE column_name LIKE 'pattern' ESCAPE 'escape_character';\n<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e7%a4%ba%e4%be%8b-uabYfwLArJ\">\u5be6\u969b\u61c9\u7528\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cemployees\u201d\u7684\u8868\u683c\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u500b\u540d\u70ba\u201cname\u201d\u7684\u5217\u3002\u6211\u5011\u5e0c\u671b\u67e5\u8a62\u6240\u6709\u540d\u5b57\u4e2d\u5305\u542b\u5b57\u7b26\u201c%\u201d\u7684\u54e1\u5de5\u3002\u7531\u65bc\u201c%\u201d\u662f\u901a\u914d\u7b26\uff0c\u6211\u5011\u9700\u8981\u4f7f\u7528ESCAPE\u4f86\u6b63\u78ba\u67e5\u8a62\u3002<\/p>\n<pre><code>SELECT name\nFROM employees\nWHERE name LIKE '%%%' ESCAPE '';\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u53cd\u659c\u6760\uff08\uff09\u4f5c\u70ba\u8f49\u7fa9\u5b57\u7b26\uff0c\u544a\u8a34Oracle\u5c07\u201c%\u201d\u8996\u70ba\u666e\u901a\u5b57\u7b26\uff0c\u800c\u4e0d\u662f\u901a\u914d\u7b26\u3002\u9019\u6a23\uff0c\u6211\u5011\u5c31\u80fd\u6b63\u78ba\u5730\u67e5\u8a62\u5230\u6240\u6709\u540d\u5b57\u4e2d\u5305\u542b\u201c%\u201d\u7684\u54e1\u5de5\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e5%80%8b%e8%bd%89%e7%be%a9%e5%ad%97%e7%ac%a6%e7%9a%84%e6%83%85%e6%b3%81-uabYfwLArJ\">\u591a\u500b\u8f49\u7fa9\u5b57\u7b26\u7684\u60c5\u6cc1<\/h2>\n<p>\u5982\u679c\u6211\u5011\u9700\u8981\u67e5\u8a62\u7684\u5b57\u7b26\u4e32\u4e2d\u540c\u6642\u5305\u542b\u591a\u500b\u7279\u6b8a\u5b57\u7b26\uff0c\u4f8b\u5982\u201c%\u201d\u548c\u201c_\u201d\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u540c\u4e00\u67e5\u8a62\u4e2d\u4f7f\u7528ESCAPE\u4f86\u8655\u7406\u5b83\u5011\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT name\nFROM employees\nWHERE name LIKE '%_%' ESCAPE ''\nAND name LIKE '%%%' ESCAPE '';\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u540c\u6642\u8655\u7406\u4e86\u201c%\u201d\u548c\u201c_\u201d\u5169\u500b\u7279\u6b8a\u5b57\u7b26\uff0c\u78ba\u4fdd\u5b83\u5011\u90fd\u88ab\u6b63\u78ba\u8f49\u7fa9\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-uabYfwLArJ\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u9078\u64c7\u7684\u8f49\u7fa9\u5b57\u7b26\u61c9\u8a72\u5728\u67e5\u8a62\u4e2d\u4e0d\u6703\u51fa\u73fe\uff0c\u4ee5\u907f\u514d\u6df7\u6dc6\u3002<\/li>\n<li>\u5728\u4f7f\u7528ESCAPE\u6642\uff0c\u78ba\u4fdd\u8f49\u7fa9\u5b57\u7b26\u7684\u4f7f\u7528\u662f\u4e00\u81f4\u7684\uff0c\u4ee5\u514d\u9020\u6210\u67e5\u8a62\u932f\u8aa4\u3002<\/li>\n<li>\u5728\u8907\u96dc\u7684\u67e5\u8a62\u4e2d\uff0c\u5efa\u8b70\u9032\u884c\u5145\u5206\u7684\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u67e5\u8a62\u7d50\u679c\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-uabYfwLArJ\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u8cc7\u6599\u5eab\u4e2d\uff0c\u6b63\u78ba\u4f7f\u7528ESCAPE\u8f49\u7fa9\u7b26\u548cESCAPE\u95dc\u9375\u5b57\u5c0d\u65bc\u8655\u7406\u7279\u6b8a\u5b57\u7b26\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u9069\u7576\u7684\u8f49\u7fa9\uff0c\u6211\u5011\u53ef\u4ee5\u78ba\u4fdd\u67e5\u8a62\u7684\u6e96\u78ba\u6027\uff0c\u907f\u514d\u56e0\u7279\u6b8a\u5b57\u7b26\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9032\u884c\u8907\u96dc\u67e5\u8a62\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff1a<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u4e2dESCAPE\u8f49\u7fa9\u7b26\u8207ESCAPE\u95dc\u9375\u5b57\u7684\u6b63\u78ba\u7528\u6cd5\uff0c\u63d0\u5347SQL\u67e5\u8a62\u7684\u9748\u6d3b\u6027\u8207\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-93912","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93912","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=93912"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93912\/revisions"}],"predecessor-version":[{"id":93913,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93912\/revisions\/93913"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}