{"id":854,"date":"2023-12-19T10:14:15","date_gmt":"2023-12-19T02:14:15","guid":{"rendered":"http:\/\/22pig.com\/?p=854"},"modified":"2023-12-19T10:14:16","modified_gmt":"2023-12-19T02:14:16","slug":"oracle%e4%b8%adsysdate-1-24-60-%e5%be%80%e5%89%8d%e6%8e%a8%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"http:\/\/22pig.com\/?p=854","title":{"rendered":"Oracle\u4e2dsysdate &#8211; 1\/24\/60 \u5f80\u524d\u63a8\u65f6\u95f4"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728Oracle\u4e2d\uff0csysdate &#8211; 1\/6\u3001sysdate &#8211; 1\/24\/60\u7b49\uff0c\u8868\u793a\u4ece\u5f53\u524d\u65f6\u95f4\u5f80\u524d\u63a8\u82e5\u5e72\u65f6\u95f4\uff0c\u82e5\u5e72\u65f6\u95f4\u7684<a href=\"https:\/\/activity.huaweicloud.com\/free_test\/index.html?utm_source=hwc-csdn&amp;utm_medium=share-op&amp;utm_campaign=&amp;utm_content=&amp;utm_term=&amp;utm_adplace=AdPlace070851\" target=\"_blank\" rel=\"noreferrer noopener\">\u8ba1\u7b97<\/a>\u65b9\u5f0f\u5982\u4e0b\uff1a<br>1.sysdate-A\u8868\u793a\u5f80\u524d\u63a8A\u5929<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.\u5982\u679c\u662fA\/B\u7c7b\u578b\uff0c\u5219\u8868\u793a\u5f80\u524d\u63a8n\u5c0f\u65f6\uff0cA\u8868\u793a\u5929\u6570\uff0cB\u8868\u793a\u5c0f\u65f6\uff0cn = A\u00d724\/B\u3002<br>\u4f8b\u5982\uff1asysdate &#8211; 1\/6\uff0c\u6b64\u5904A = 1\uff1bB = 6\u3002<br>n = 1\u00d724\/6 = 4<br>\u5373 select sysdate &#8211; 1\/6 from dual \u5f97\u51fa\u7684\u65f6\u95f4\u662f\u5f53\u524d\u65f6\u95f4\u5f80\u524d\u63a84\u5c0f\u65f6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3.\u5982\u679c\u662fA\/B\/C\u7c7b\u578b\u3002\u5219\u8868\u793a\u5f80\u524d\u63a8m\u5206\u949f\uff0cA\u8868\u793a\u5929\u6570\uff0cB\u8868\u793a\u5c0f\u65f6\uff0cC\u8868\u793a\u5206\u949f\u3002<br>m\u7684\u7b97\u6cd5\uff1a \u5148<a href=\"https:\/\/activity.huaweicloud.com\/free_test\/index.html?utm_source=hwc-csdn&amp;utm_medium=share-op&amp;utm_campaign=&amp;utm_content=&amp;utm_term=&amp;utm_adplace=AdPlace070851\" target=\"_blank\" rel=\"noreferrer noopener\">\u8ba1\u7b97<\/a>\u00a0A\u00d724\/B \u5f97\u5230\u9700\u8981\u5f80\u524d\u63a8\u591a\u5c11\u5c0f\u65f6\uff0c\u5047\u8bben = A\u00d724\/B\u3002<br>\u90a3\u4e48 m = n\u00d760\/C\u3002\uff081\u5c0f\u65f6=60\u5206\u949f\uff0c\u6240\u4ee5n\u5c0f\u65f6\u8981\u4e58\u4ee560\uff0c\u518d\u53bb\u9664\u4ee5C\uff0c\u5f97\u5230\u5f80\u524d\u63a8\u7684\u5206\u949f\u6570\uff09<br>\u5373 select sysdate &#8211; 1\/24\/60 from dual \u5f97\u51fa\u7684\u65f6\u95f4\u662f\u5f53\u524d\u65f6\u95f4\u5f80\u524d\u63a81\u5206\u949f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">where cre_date >  sysdate &#8211; 3\/24   \u5f80\u524d\u63a83\u5c0f\u65f6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">where cre_date >  sysdate &#8211; 3\/24\/60   \u5f80\u524d\u63a83\u5206\u949f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Oracle\u4e2d\uff0csysdate &#8211; 1\/6\u3001sysdate &#8211; 1\/24\/60\u7b49\uff0c\u8868\u793a\u4ece\u5f53\u524d\u65f6\u95f4\u5f80\u524d\u63a8\u82e5\u5e72\u65f6\u95f4\uff0c\u82e5\u5e72\u65f6\u95f4\u7684\u8ba1\u7b97\u65b9\u5f0f\u5982\u4e0b\uff1a1.sysdate-A\u8868\u793a\u5f80\u524d\u63a8A\u5929 2.\u5982\u679c\u662fA\/B\u7c7b\u578b\uff0c\u5219\u8868\u793a\u5f80\u524d\u63a8n\u5c0f\u65f6\uff0cA\u8868\u793a\u5929\u6570\uff0cB\u8868\u793a\u5c0f\u65f6\uff0cn = A\u00d724\/B\u3002\u4f8b\u5982\uff1asysdate &#8211; 1\/6\uff0c\u6b64\u5904A = 1\uff1bB = 6\u3002n = 1\u00d724\/6 = 4\u5373 select sysdate &#8211; 1\/6 from dual \u5f97\u51fa\u7684\u65f6\u95f4\u662f\u5f53\u524d\u65f6\u95f4\u5f80\u524d\u63a84\u5c0f\u65f6 3.\u5982\u679c\u662fA\/B\/C\u7c7b\u578b\u3002\u5219\u8868\u793a\u5f80\u524d\u63a8m\u5206\u949f\uff0cA\u8868\u793a\u5929\u6570\uff0cB\u8868\u793a\u5c0f\u65f6\uff0cC\u8868\u793a\u5206\u949f\u3002m\u7684\u7b97\u6cd5\uff1a \u5148\u8ba1\u7b97\u00a0A\u00d724\/B \u5f97\u5230\u9700\u8981\u5f80\u524d\u63a8\u591a\u5c11\u5c0f\u65f6\uff0c\u5047\u8bben = A\u00d724\/B\u3002\u90a3\u4e48 m = n\u00d760\/C\u3002\uff081\u5c0f\u65f6=60\u5206\u949f\uff0c\u6240\u4ee5n\u5c0f\u65f6\u8981\u4e58\u4ee560\uff0c\u518d\u53bb\u9664\u4ee5C\uff0c\u5f97\u5230\u5f80\u524d\u63a8\u7684\u5206\u949f\u6570\uff09\u5373 select sysdate &#8211; 1\/24\/60 from dual \u5f97\u51fa\u7684\u65f6\u95f4\u662f\u5f53\u524d\u65f6\u95f4\u5f80\u524d\u63a81\u5206\u949f where cre_date > sysdate &#8211; 3\/24 \u5f80\u524d\u63a83\u5c0f\u65f6 where cre_date > sysdate &#8211; 3\/24\/60 \u5f80\u524d\u63a83\u5206\u949f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-854","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=854"}],"version-history":[{"count":1,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/854\/revisions"}],"predecessor-version":[{"id":855,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/854\/revisions\/855"}],"wp:attachment":[{"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=854"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}