{"id":160183,"date":"2024-11-03T20:58:29","date_gmt":"2024-11-03T12:58:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160183\/"},"modified":"2024-11-03T20:58:30","modified_gmt":"2024-11-03T12:58:30","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-number-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160183\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase NUMBER \u6578\u64da\u985e\u578b"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-number-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-TjXsCPPxKw\">OceanBase \u6559\u7a0b\uff1aOceanBase NUMBER \u6578\u64da\u985e\u578b<\/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\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u4e2d\u7684 NUMBER \u6578\u64da\u985e\u578b\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7279\u6027\u53ca\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oceanbase-number-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%ef%bc%9f-TjXsCPPxKw\">\u4ec0\u9ebc\u662f OceanBase NUMBER \u6578\u64da\u985e\u578b\uff1f<\/h2>\n<p>OceanBase \u7684 NUMBER \u6578\u64da\u985e\u578b\u662f\u4e00\u7a2e\u7528\u65bc\u5b58\u5132\u6578\u5b57\u7684\u6578\u64da\u985e\u578b\uff0c\u652f\u6301\u6574\u6578\u548c\u6d6e\u9ede\u6578\u3002\u9019\u7a2e\u6578\u64da\u985e\u578b\u7684\u8a2d\u8a08\u65e8\u5728\u63d0\u4f9b\u9ad8\u7cbe\u5ea6\u7684\u6578\u5b57\u8a08\u7b97\uff0c\u7279\u5225\u9069\u5408\u91d1\u878d\u3001\u8a08\u7b97\u548c\u7d71\u8a08\u7b49\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"number-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%89%b9%e6%80%a7-TjXsCPPxKw\">NUMBER \u6578\u64da\u985e\u578b\u7684\u7279\u6027<\/h2>\n<ul>\n<li><strong>\u7cbe\u5ea6\u548c\u7bc4\u570d\uff1a<\/strong>NUMBER \u6578\u64da\u985e\u578b\u53ef\u4ee5\u5b58\u5132\u7684\u6578\u5b57\u7bc4\u570d\u975e\u5e38\u5ee3\u6cdb\uff0c\u5f9e -10^38 \u5230 10^38\uff0c\u4e26\u4e14\u53ef\u4ee5\u6307\u5b9a\u7cbe\u5ea6\u548c\u5c0f\u6578\u4f4d\u6578\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u5b9a\u7fa9\u6578\u5b57\u7684\u7cbe\u5ea6\u548c\u5c0f\u6578\u4f4d\u6578\uff0c\u9019\u4f7f\u5f97 NUMBER \u6578\u64da\u985e\u578b\u5728\u4e0d\u540c\u7684\u61c9\u7528\u4e2d\u90fd\u80fd\u9748\u6d3b\u4f7f\u7528\u3002<\/li>\n<li><strong>\u81ea\u52d5\u985e\u578b\u8f49\u63db\uff1a<\/strong>\u5728\u9032\u884c\u6578\u5b78\u904b\u7b97\u6642\uff0cOceanBase \u6703\u81ea\u52d5\u8655\u7406\u4e0d\u540c\u6578\u64da\u985e\u578b\u4e4b\u9593\u7684\u8f49\u63db\uff0c\u6e1b\u5c11\u4e86\u958b\u767c\u8005\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"number-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e8%aa%9e%e6%b3%95-TjXsCPPxKw\">NUMBER \u6578\u64da\u985e\u578b\u7684\u8a9e\u6cd5<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u5b9a\u7fa9 NUMBER \u6578\u64da\u985e\u578b\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE example_table (\n    id NUMBER(10),\n    price NUMBER(10, 2)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>id<\/code> \u6b04\u4f4d\u5b9a\u7fa9\u70ba\u6574\u6578\uff0c\u6700\u591a\u53ef\u4ee5\u5b58\u5132 10 \u4f4d\u6578\u5b57\uff1b\u800c <code>price<\/code> \u6b04\u4f4d\u5247\u5b9a\u7fa9\u70ba\u6d6e\u9ede\u6578\uff0c\u6700\u591a\u53ef\u4ee5\u5b58\u5132 10 \u4f4d\u6578\u5b57\uff0c\u5176\u4e2d 2 \u4f4d\u70ba\u5c0f\u6578\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-number-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-TjXsCPPxKw\">\u4f7f\u7528 NUMBER \u6578\u64da\u985e\u578b\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u7cbe\u5ea6\u8a2d\u5b9a\uff1a<\/strong>\u5728\u8a2d\u8a08\u6578\u64da\u8868\u6642\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u5408\u7406\u8a2d\u5b9a\u7cbe\u5ea6\u548c\u5c0f\u6578\u4f4d\u6578\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u640d\u5931\u3002<\/li>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u96d6\u7136 NUMBER \u6578\u64da\u985e\u578b\u63d0\u4f9b\u4e86\u9ad8\u7cbe\u5ea6\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u6574\u6578\u985e\u578b\u53ef\u80fd\u6703\u63d0\u9ad8\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5927\u91cf\u8a08\u7b97\u7684\u5834\u666f\u4e2d\u3002<\/li>\n<li><strong>\u6578\u64da\u9a57\u8b49\uff1a<\/strong>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u61c9\u6ce8\u610f\u6578\u64da\u7684\u5408\u6cd5\u6027\uff0c\u907f\u514d\u56e0\u70ba\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e6%8f%92%e5%85%a5%e5%92%8c%e6%9f%a5%e8%a9%a2-number-%e6%95%b8%e6%93%9a-TjXsCPPxKw\">\u7bc4\u4f8b\uff1a\u63d2\u5165\u548c\u67e5\u8a62 NUMBER \u6578\u64da<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 OceanBase \u4e2d\u63d2\u5165\u548c\u67e5\u8a62 NUMBER \u6578\u64da\uff1a<\/p>\n<pre><code>-- \u63d2\u5165\u6578\u64da\nINSERT INTO example_table (id, price) VALUES (1, 99.99);\nINSERT INTO example_table (id, price) VALUES (2, 150.50);\n\n-- \u67e5\u8a62\u6578\u64da\nSELECT * FROM example_table;<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u5f8c\uff0c\u5c07\u8fd4\u56de\u6240\u6709\u63d2\u5165\u7684\u6578\u64da\uff0c\u986f\u793a\u6bcf\u500b\u9805\u76ee\u7684 ID \u548c\u50f9\u683c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-TjXsCPPxKw\">\u7d50\u8ad6<\/h2>\n<p>OceanBase \u7684 NUMBER \u6578\u64da\u985e\u578b\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u5b57\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u767c\u63ee\u5176\u5728\u9ad8\u7cbe\u5ea6\u8a08\u7b97\u4e2d\u7684\u512a\u52e2\u3002\u4e86\u89e3\u548c\u638c\u63e1 NUMBER \u6578\u64da\u985e\u578b\u7684\u7279\u6027\u53ca\u4f7f\u7528\u65b9\u6cd5\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 OceanBase \u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\uff0c\u4e26\u63a2\u7d22\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase NUMBER \u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\u8207\u7279\u6027\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u8207\u6027\u80fd\u512a\u5316\u7684\u6280\u80fd\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-160183","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160183","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=160183"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160183\/revisions"}],"predecessor-version":[{"id":160184,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160183\/revisions\/160184"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}