{"id":15406,"date":"2023-12-04T19:55:26","date_gmt":"2023-12-04T11:55:26","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15406"},"modified":"2023-12-04T19:59:24","modified_gmt":"2023-12-04T11:59:24","slug":"oracle-zhong-shen-me-shi-shi-tu-ta-yu-biao-de-qu-b","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-shen-me-shi-shi-tu-ta-yu-biao-de-qu-b\/","title":{"rendered":"Oracle \u4e2d\u4ec0\u4e48\u662f\u89c6\u56fe\uff0c\u5b83\u4e0e\u8868\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728 Oracle \u4e2d\uff0c\u89c6\u56fe\uff08View\uff09\u662f\u865a\u62df\u7684\u8868\uff0c\u5b83\u662f\u57fa\u4e8e\u67e5\u8be2\u7ed3\u679c\u96c6\u7684\u903b\u8f91\u8868\uff0c\u4e0d\u5b58\u50a8\u5b9e\u9645\u7684\u6570\u636e\uff0c\u800c\u662f\u7531\u4e00\u4e2a\u67e5\u8be2\u5b9a\u4e49\u7684\u7ed3\u679c\u96c6\u3002\u89c6\u56fe\u53ef\u4ee5\u5305\u542b\u6765\u81ea\u4e00\u4e2a\u6216\u591a\u4e2a\u8868\u7684\u884c\u548c\u5217\uff0c\u5e76\u901a\u8fc7\u67e5\u8be2\u91cd\u65b0\u683c\u5f0f\u5316\u3001\u8fc7\u6ee4\u6216\u7ec4\u5408\u6570\u636e\u3002<\/p>\n

\u89c6\u56fe\u4e0e\u8868\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n

    \n
  1. \n\u6570\u636e\u5b58\u50a8\uff1a<\/strong><\/p>\n
      \n
    • \u8868\u5b58\u50a8\u5b9e\u9645\u7684\u6570\u636e\u8bb0\u5f55\uff0c\u6570\u636e\u88ab\u7269\u7406\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u3002<\/li>\n
    • \u89c6\u56fe\u4e0d\u5b58\u50a8\u5b9e\u9645\u7684\u6570\u636e\uff0c\u5b83\u662f\u4e00\u4e2a\u865a\u62df\u7684\u8868\uff0c\u53ea\u662f\u4e00\u4e2a\u57fa\u4e8e\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\uff0c\u67e5\u8be2\u6267\u884c\u65f6\u52a8\u6001\u751f\u6210\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u7ed3\u6784\uff1a<\/strong><\/p>\n
        \n
      • \u8868\u6709\u81ea\u5df1\u7684\u72ec\u7acb\u7684\u7ed3\u6784\u548c\u5b9a\u4e49\uff0c\u5305\u62ec\u5217\u3001\u6570\u636e\u7c7b\u578b\u3001\u7ea6\u675f\u7b49\u3002<\/li>\n
      • \u89c6\u56fe\u662f\u57fa\u4e8e\u4e00\u4e2a\u6216\u591a\u4e2a\u8868\u7684\u67e5\u8be2\u7ed3\u679c\uff0c\u5176\u7ed3\u6784\u53d6\u51b3\u4e8e\u5b9a\u4e49\u67e5\u8be2\u7684\u5217\u548c\u8868\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u66f4\u65b0\u6027\uff1a<\/strong><\/p>\n
          \n
        • \u5bf9\u4e8e\u5927\u90e8\u5206\u89c6\u56fe\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u89c6\u56fe\u662f\u53ef\u66f4\u65b0\u7684\uff0c\u53ef\u4ee5\u6267\u884c\u63d2\u5165\u3001\u66f4\u65b0\u548c\u5220\u9664\u64cd\u4f5c\u3002<\/li>\n
        • \u4f46\u662f\uff0c\u4e00\u4e9b\u89c6\u56fe\u53ef\u80fd\u5177\u6709\u9650\u5236\uff0c\u4f8b\u5982\u5305\u542b\u805a\u5408\u51fd\u6570\u3001GROUP BY\u3001DISTINCT\u3001CONNECT BY \u7b49\u7684\u89c6\u56fe\u53ef\u80fd\u4e0d\u53ef\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u7528\u9014\uff1a<\/strong><\/p>\n
            \n
          • \u8868\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u548c\u7ba1\u7406\u5b9e\u9645\u7684\u6570\u636e\u8bb0\u5f55\u3002<\/li>\n
          • \u89c6\u56fe\u901a\u5e38\u7528\u4e8e\u7b80\u5316\u590d\u6742\u7684\u67e5\u8be2\u3001\u63d0\u4f9b\u5b89\u5168\u6027\u3001\u9690\u85cf\u6570\u636e\u3001\u91cd\u7528\u67e5\u8be2\u903b\u8f91\u7b49\uff0c\u4f7f\u7528\u6237\u53ef\u4ee5\u4ece\u591a\u4e2a\u8868\u4e2d\u65b9\u4fbf\u5730\u68c0\u7d22\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u5b58\u50a8\u7a7a\u95f4\uff1a<\/strong><\/p>\n
              \n
            • \u8868\u5360\u7528\u5b9e\u9645\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/li>\n
            • \u89c6\u56fe\u4e0d\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\uff0c\u5b83\u53ea\u662f\u4e00\u4e2a\u5b9a\u4e49\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

              \u603b\u7684\u6765\u8bf4\uff0c\u89c6\u56fe\u662f\u4e00\u79cd\u903b\u8f91\u8868\uff0c\u5b83\u63d0\u4f9b\u4e86\u5bf9\u57fa\u7840\u6570\u636e\u7684\u4e00\u4e2a\u62bd\u8c61\u548c\u91cd\u7ec4\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u8bbf\u95ee\u548c\u64cd\u4f5c\u6570\u636e\uff0c\u800c\u4e0d\u9700\u8981\u4e86\u89e3\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u7684\u7ec6\u8282\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u5728 Oracle \u4e2d\uff0c\u89c6\u56fe\uff08View\uff09\u662f\u865a\u62df\u7684\u8868\uff0c\u5b83\u662f\u57fa\u4e8e\u67e5\u8be2\u7ed3\u679c\u96c6\u7684\u903b\u8f91\u8868\uff0c\u4e0d\u5b58\u50a8\u5b9e\u9645\u7684\u6570\u636e\uff0c\u800c\u662f\u7531\u4e00\u4e2a\u67e5\u8be2 […]<\/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-15406","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15406","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=15406"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15406\/revisions"}],"predecessor-version":[{"id":15407,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15406\/revisions\/15407"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15406"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}