{"id":15527,"date":"2023-12-04T20:33:47","date_gmt":"2023-12-04T12:33:47","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15527"},"modified":"2023-12-04T20:34:29","modified_gmt":"2023-12-04T12:34:29","slug":"oracle-zhong-sql-zhong-zhi-xing-si-she-wu-ru-de-sh","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-sql-zhong-zhi-xing-si-she-wu-ru-de-sh\/","title":{"rendered":"Oracle \u4e2d SQL \u4e2d\uff0c\u6267\u884c\u56db\u820d\u4e94\u5165\u7684\u662f\u54ea\u4e2a\u51fd\u6570\uff1f"},"content":{"rendered":"<p>\u5728 Oracle SQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ROUND()<\/code> \u51fd\u6570\u6765\u6267\u884c\u56db\u820d\u4e94\u5165\u64cd\u4f5c\u3002<code>ROUND()<\/code> \u51fd\u6570\u53ef\u4ee5\u5c06\u6570\u5b57\u503c\u56db\u820d\u4e94\u5165\u5230\u6307\u5b9a\u7684\u5c0f\u6570\u4f4d\u6570\u3002<\/p>\n<p>\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-sql\">ROUND(number, decimal_places)\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><code>number<\/code> \u662f\u8981\u8fdb\u884c\u56db\u820d\u4e94\u5165\u7684\u6570\u503c\u3002<\/li>\n<li><code>decimal_places<\/code> \u662f\u8981\u4fdd\u7559\u7684\u5c0f\u6570\u4f4d\u6570\uff0c\u53ef\u4ee5\u662f\u6b63\u6570\u3001\u8d1f\u6570\u6216\u96f6\u3002\u6b63\u6570\u8868\u793a\u8981\u4fdd\u7559\u7684\u5c0f\u6570\u4f4d\u6570\uff0c\u8d1f\u6570\u8868\u793a\u8981\u8fdb\u884c\u56db\u820d\u4e94\u5165\u5230\u6574\u6570\u4f4d\uff0c\u96f6\u8868\u793a\u8981\u8fdb\u884c\u56db\u820d\u4e94\u5165\u5230\u6574\u6570\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>ROUND(3.145, 2)<\/code> \u7ed3\u679c\u4e3a <code>3.15<\/code>\uff0c\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002<\/li>\n<li><code>ROUND(3.145, 1)<\/code> \u7ed3\u679c\u4e3a <code>3.1<\/code>\uff0c\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570\u3002<\/li>\n<li><code>ROUND(3.145, 0)<\/code> \u7ed3\u679c\u4e3a <code>3<\/code>\uff0c\u56db\u820d\u4e94\u5165\u5230\u6574\u6570\u4f4d\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5728\u5bf9\u6570\u5b57\u8fdb\u884c\u7cbe\u786e\u5904\u7406\u6216\u8005\u683c\u5f0f\u5316\u8f93\u51fa\u65f6\u5f88\u6709\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle SQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 ROUND() \u51fd\u6570\u6765\u6267\u884c\u56db\u820d\u4e94\u5165\u64cd\u4f5c\u3002ROUND() \u51fd\u6570\u53ef\u4ee5\u5c06\u6570\u5b57 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15527","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15527"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15527\/revisions"}],"predecessor-version":[{"id":15528,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15527\/revisions\/15528"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15527"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}