{"id":15677,"date":"2023-12-04T21:37:29","date_gmt":"2023-12-04T13:37:29","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15677"},"modified":"2023-12-04T21:47:50","modified_gmt":"2023-12-04T13:47:50","slug":"oracle-zhong-cha-xun-suo-you1981nian-lu-yong-de-yu","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-cha-xun-suo-you1981nian-lu-yong-de-yu\/","title":{"rendered":"Oracle \u4e2d\u67e5\u8be2\u6240\u67091981\u5e74\u5f55\u7528\u7684\u5458\u5de5\u59d3\u540d\u3001\u90e8\u95e8\u7f16\u53f7\u53ca\u5f55\u7528\u65e5\u671f\uff0c\u6309\u5f55\u7528\u65e5\u671f\u6392\u5217\uff1f"},"content":{"rendered":"<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8be2\u6765\u83b7\u53d6\u6240\u6709\u5728 1981 \u5e74\u5f55\u7528\u7684\u5458\u5de5\u7684\u59d3\u540d\u3001\u90e8\u95e8\u7f16\u53f7\u548c\u5f55\u7528\u65e5\u671f\uff0c\u5e76\u6309\u5f55\u7528\u65e5\u671f\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<pre><code class=\"language-sql  line-numbers\">SELECT e.ename, e.deptno, e.hiredate\nFROM emp e\nWHERE EXTRACT(YEAR FROM e.hiredate) = 1981\nORDER BY e.hiredate;\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u67e5\u8be2\u5047\u8bbe\u4f60\u6b63\u5728\u4f7f\u7528\u540d\u4e3a <code>emp<\/code> \u7684\u8868\uff0c\u5e76\u4e14\u8be5\u8868\u5305\u542b\u4e86\u5458\u5de5\u7684\u59d3\u540d\uff08<code>ename<\/code>\uff09\u3001\u90e8\u95e8\u7f16\u53f7\uff08<code>deptno<\/code>\uff09\u548c\u5f55\u7528\u65e5\u671f\uff08<code>hiredate<\/code>\uff09\u7b49\u4fe1\u606f\u3002\u5b83\u4f1a\u7b5b\u9009\u51fa\u5f55\u7528\u65e5\u671f\u5728 1981 \u5e74\u7684\u5458\u5de5\uff0c\u5e76\u6309\u7167\u5f55\u7528\u65e5\u671f\u5347\u5e8f\u6392\u5217\u663e\u793a\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8be2\u6765\u83b7\u53d6\u6240\u6709\u5728 1981 \u5e74\u5f55\u7528\u7684\u5458\u5de5\u7684\u59d3\u540d\u3001\u90e8\u95e8\u7f16\u53f7\u548c\u5f55\u7528\u65e5\u671f\uff0c\u5e76\u6309\u5f55\u7528\u65e5\u671f\u8fdb\u884c\u6392\u5e8f [&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-15677","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15677","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=15677"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15677\/revisions"}],"predecessor-version":[{"id":15678,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15677\/revisions\/15678"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15677"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}