{"id":160253,"date":"2024-11-03T21:33:19","date_gmt":"2024-11-03T13:33:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160253\/"},"modified":"2024-11-03T21:33:20","modified_gmt":"2024-11-03T13:33:20","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-sql-%e6%a2%9d%e4%bb%b6%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160253\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase SQL \u689d\u4ef6\u6982\u8ff0"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-sql-%e6%a2%9d%e4%bb%b6%e6%a6%82%e8%bf%b0-eFyaOyjfWL\">OceanBase \u6559\u7a0b\uff1aOceanBase SQL \u689d\u4ef6\u6982\u8ff0<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase SQL \u4e2d\u7684\u689d\u4ef6\u6982\u8ff0\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728 OceanBase \u4e2d\u4f7f\u7528 SQL \u689d\u4ef6\u9032\u884c\u6578\u64da\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-sql-%e6%a2%9d%e4%bb%b6%ef%bc%9f-eFyaOyjfWL\">\u4ec0\u9ebc\u662f SQL \u689d\u4ef6\uff1f<\/h2>\n<p>SQL \u689d\u4ef6\u662f\u7528\u65bc\u904e\u6ffe\u67e5\u8a62\u7d50\u679c\u7684\u8868\u9054\u5f0f\u3002\u901a\u904e\u4f7f\u7528\u689d\u4ef6\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6307\u5b9a\u54ea\u4e9b\u6578\u64da\u884c\u61c9\u8a72\u88ab\u9078\u64c7\u6216\u6392\u9664\u3002\u9019\u4e9b\u689d\u4ef6\u901a\u5e38\u5728 SQL \u8a9e\u53e5\u7684 <code>WHERE<\/code> \u5b50\u53e5\u4e2d\u4f7f\u7528\uff0c\u4e26\u4e14\u53ef\u4ee5\u7d50\u5408\u591a\u500b\u689d\u4ef6\u4f86\u5f62\u6210\u8907\u96dc\u7684\u67e5\u8a62\u3002<\/p>\n<h2 id=\"oceanbase-%e4%b8%ad%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a2%9d%e4%bb%b6-eFyaOyjfWL\">OceanBase \u4e2d\u7684\u57fa\u672c\u689d\u4ef6<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u6700\u5e38\u898b\u7684 SQL \u689d\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>=<\/code>\uff1a\u7b49\u65bc<\/li>\n<li><code>!=<\/code> \u6216 <code><\/code>\uff1a\u4e0d\u7b49\u65bc<\/li>\n<li><code>&gt;<\/code>\uff1a\u5927\u65bc<\/li>\n<li><code>&lt;<\/code>\uff1a\u5c0f\u65bc<\/li>\n<li><code>&gt;=<\/code>\uff1a\u5927\u65bc\u7b49\u65bc<\/li>\n<li><code>&lt;=<\/code>\uff1a\u5c0f\u65bc\u7b49\u65bc<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u5c07\u9078\u64c7\u6240\u6709\u5e74\u9f61\u5927\u65bc 18 \u7684\u7528\u6236\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18;<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e9%82%8f%e8%bc%af%e9%81%8b%e7%ae%97%e7%ac%a6-eFyaOyjfWL\">\u4f7f\u7528\u908f\u8f2f\u904b\u7b97\u7b26<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u908f\u8f2f\u904b\u7b97\u7b26\u4f86\u7d44\u5408\u591a\u500b\u689d\u4ef6\u3002\u5e38\u898b\u7684\u908f\u8f2f\u904b\u7b97\u7b26\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>AND<\/code>\uff1a\u8207<\/li>\n<li><code>OR<\/code>\uff1a\u6216<\/li>\n<li><code>NOT<\/code>\uff1a\u975e<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u5c07\u9078\u64c7\u6240\u6709\u5e74\u9f61\u5927\u65bc 18 \u4e14\u6027\u5225\u70ba\u7537\u6027\u7684\u7528\u6236\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18 AND gender = 'male';<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8-between-%e5%92%8c-in-eFyaOyjfWL\">\u4f7f\u7528 BETWEEN \u548c IN<\/h2>\n<p>OceanBase \u4e5f\u652f\u6301 <code>BETWEEN<\/code> \u548c <code>IN<\/code> \u689d\u4ef6\uff0c\u9019\u4f7f\u5f97\u67e5\u8a62\u66f4\u52a0\u9748\u6d3b\u3002<\/p>\n<p>\u4f7f\u7528 <code>BETWEEN<\/code> \u53ef\u4ee5\u67e5\u8a62\u67d0\u500b\u7bc4\u570d\u5167\u7684\u6578\u64da\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age BETWEEN 18 AND 30;<\/code><\/pre>\n<p>\u800c\u4f7f\u7528 <code>IN<\/code> \u53ef\u4ee5\u67e5\u8a62\u591a\u500b\u7279\u5b9a\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE gender IN ('male', 'female');<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8-like-%e9%80%b2%e8%a1%8c%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2-eFyaOyjfWL\">\u4f7f\u7528 LIKE \u9032\u884c\u6a21\u7cca\u67e5\u8a62<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c<code>LIKE<\/code> \u7528\u65bc\u9032\u884c\u6a21\u7cca\u67e5\u8a62\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u5b57\u7b26\u4e32\u5339\u914d\u3002\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26 <code>%<\/code> \u548c <code>_<\/code> \u4f86\u8868\u793a\u4efb\u610f\u5b57\u7b26\u548c\u55ae\u500b\u5b57\u7b26\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u5c07\u9078\u64c7\u6240\u6709\u540d\u5b57\u4ee5 &#8220;J&#8221; \u958b\u982d\u7684\u7528\u6236\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE name LIKE 'J%';<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eFyaOyjfWL\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86 OceanBase SQL \u4e2d\u7684\u57fa\u672c\u689d\u4ef6\u53ca\u5176\u7528\u6cd5\uff0c\u5305\u62ec\u5e38\u898b\u7684\u6bd4\u8f03\u904b\u7b97\u7b26\u3001\u908f\u8f2f\u904b\u7b97\u7b26\u3001\u7bc4\u570d\u67e5\u8a62\u548c\u6a21\u7cca\u67e5\u8a62\u3002\u638c\u63e1\u9019\u4e9b\u689d\u4ef6\u7684\u4f7f\u7528\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728 OceanBase \u4e2d\u9032\u884c\u9ad8\u6548\u7684\u6578\u64da\u67e5\u8a62\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase SQL \u7684\u689d\u4ef6\u6982\u8ff0\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u4f7f\u7528\u689d\u4ef6\u8a9e\u53e5\u4f86\u512a\u5316\u6578\u64da\u67e5\u8a62\u548c\u7ba1\u7406\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-160253","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160253","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=160253"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160253\/revisions"}],"predecessor-version":[{"id":160254,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160253\/revisions\/160254"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}