{"id":93860,"date":"2024-10-19T17:31:21","date_gmt":"2024-10-19T09:31:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93860\/"},"modified":"2024-10-19T17:31:21","modified_gmt":"2024-10-19T09:31:21","slug":"oracle-bitand-%e5%87%bd%e6%95%b8%e7%b0%a1%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93860\/","title":{"rendered":"Oracle bitand( )\u51fd\u6578\u7c21\u4ecb"},"content":{"rendered":"<h1 id=\"oracle-bitand%e5%87%bd%e6%95%b8%e7%b0%a1%e4%bb%8b-fzXJiGhtOF\">Oracle bitand()\u51fd\u6578\u7c21\u4ecb<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u8655\u7406\u6578\u64da\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f<strong>bitand()<\/strong>\u51fd\u6578\u3002\u9019\u500b\u51fd\u6578\u4e3b\u8981\u7528\u65bc\u4f4d\u904b\u7b97\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u4f4d\u5143\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\uff0cbitand()\u51fd\u6578\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"bitand%e5%87%bd%e6%95%b8%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-fzXJiGhtOF\">bitand()\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>bitand()\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>BITAND(x, y)<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>x<\/code>\u548c<code>y<\/code>\u90fd\u662f\u6574\u6578\u985e\u578b\u7684\u8868\u9054\u5f0f\u3002\u9019\u500b\u51fd\u6578\u6703\u8fd4\u56de\u5169\u500b\u6574\u6578\u7684\u6309\u4f4d\u8207\uff08AND\uff09\u904b\u7b97\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e4%bd%8d%e9%81%8b%e7%ae%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-fzXJiGhtOF\">\u4f4d\u904b\u7b97\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u6df1\u5165\u4e86\u89e3bitand()\u51fd\u6578\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u5148\u4e86\u89e3\u4f4d\u904b\u7b97\u7684\u57fa\u672c\u6982\u5ff5\u3002\u4f4d\u904b\u7b97\u662f\u5c0d\u4e8c\u9032\u5236\u6578\u5b57\u9032\u884c\u64cd\u4f5c\u7684\u904b\u7b97\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>AND\u904b\u7b97\uff1a<\/strong>\u53ea\u6709\u7576\u5169\u500b\u4f4d\u90fd\u662f1\u6642\uff0c\u7d50\u679c\u624d\u70ba1\u3002<\/li>\n<li><strong>OR\u904b\u7b97\uff1a<\/strong>\u53ea\u8981\u6709\u4e00\u500b\u4f4d\u662f1\uff0c\u7d50\u679c\u5c31\u70ba1\u3002<\/li>\n<li><strong>XOR\u904b\u7b97\uff1a<\/strong>\u7576\u5169\u500b\u4f4d\u4e0d\u540c\u6642\uff0c\u7d50\u679c\u70ba1\u3002<\/li>\n<li><strong>NOT\u904b\u7b97\uff1a<\/strong>\u5c0d\u4f4d\u9032\u884c\u53d6\u53cd\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u5728\u9019\u4e9b\u904b\u7b97\u4e2d\uff0cAND\u904b\u7b97\u662f\u6700\u5e38\u7528\u7684\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u6aa2\u67e5\u67d0\u4e9b\u7279\u5b9a\u4f4d\u662f\u5426\u88ab\u8a2d\u7f6e\u6642\u3002<\/p>\n<h2 id=\"bitand%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-fzXJiGhtOF\">bitand()\u51fd\u6578\u7684\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528bitand()\u51fd\u6578\u7684\u7c21\u55ae\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>SELECT BITAND(6, 3) AS result FROM dual;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>6<\/code>\u7684\u4e8c\u9032\u5236\u8868\u793a\u70ba<code>110<\/code>\uff0c\u800c<code>3<\/code>\u7684\u4e8c\u9032\u5236\u8868\u793a\u70ba<code>011<\/code>\u3002\u9032\u884cAND\u904b\u7b97\u5f8c\uff0c\u7d50\u679c\u70ba<code>010<\/code>\uff0c\u5373\u5341\u9032\u5236\u7684<code>2<\/code>\u3002\u56e0\u6b64\uff0c\u67e5\u8a62\u7684\u7d50\u679c\u5c07\u986f\u793a\u70ba\uff1a<\/p>\n<pre><code>result\n------\n2\n<\/code><\/pre>\n<h2 id=\"bitand%e5%87%bd%e6%95%b8%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-fzXJiGhtOF\">bitand()\u51fd\u6578\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>bitand()\u51fd\u6578\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u6b0a\u9650\u7ba1\u7406\uff1a<\/strong>\u5728\u7528\u6236\u6b0a\u9650\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f4d\u5143\u4f86\u8868\u793a\u4e0d\u540c\u7684\u6b0a\u9650\uff0c\u901a\u904ebitand()\u51fd\u6578\u4f86\u6aa2\u67e5\u7528\u6236\u662f\u5426\u64c1\u6709\u7279\u5b9a\u7684\u6b0a\u9650\u3002<\/li>\n<li><strong>\u6578\u64da\u58d3\u7e2e\uff1a<\/strong>\u5728\u67d0\u4e9b\u6578\u64da\u58d3\u7e2e\u7b97\u6cd5\u4e2d\uff0c\u4f4d\u904b\u7b97\u53ef\u4ee5\u7528\u4f86\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<li><strong>\u72c0\u614b\u6a19\u8a18\uff1a<\/strong>\u5728\u9700\u8981\u6a19\u8a18\u591a\u500b\u72c0\u614b\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f4d\u5143\u4f86\u8868\u793a\u4e0d\u540c\u7684\u72c0\u614b\uff0c\u4e26\u901a\u904ebitand()\u51fd\u6578\u9032\u884c\u6aa2\u67e5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-fzXJiGhtOF\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528bitand()\u51fd\u6578\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u50b3\u5165\u7684\u53c3\u6578\u662f\u6574\u6578\u985e\u578b\uff0c\u5426\u5247\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li>\u7406\u89e3\u4f4d\u904b\u7b97\u7684\u57fa\u672c\u539f\u7406\uff0c\u4ee5\u4fbf\u6b63\u78ba\u89e3\u91cb\u7d50\u679c\u3002<\/li>\n<li>\u5728\u8907\u96dc\u7684\u67e5\u8a62\u4e2d\uff0c\u5408\u7406\u4f7f\u7528\u4f4d\u904b\u7b97\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fzXJiGhtOF\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u7684bitand()\u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u4f4d\u904b\u7b97\uff0c\u7279\u5225\u662f\u5728\u6b0a\u9650\u7ba1\u7406\u548c\u72c0\u614b\u6a19\u8a18\u7b49\u5834\u666f\u4e2d\u3002\u901a\u904e\u7406\u89e3\u5176\u57fa\u672c\u8a9e\u6cd5\u548c\u61c9\u7528\u5834\u666f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528\u9019\u4e00\u51fd\u6578\u4f86\u89e3\u6c7a\u5be6\u969b\u554f\u984c\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u7279\u5225\u662f\u6709\u95dc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\u7684\u5167\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle bitand()\u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u5982\u4f55\u9032\u884c\u4f4d\u5143\u904b\u7b97\uff0c\u4e26\u638c\u63e1\u5176\u5728\u6578\u64da\u8655\u7406\u4e2d\u7684\u61c9\u7528\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-93860","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93860","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=93860"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93860\/revisions"}],"predecessor-version":[{"id":93861,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93860\/revisions\/93861"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}