{"id":6755,"date":"2024-11-14T14:43:07","date_gmt":"2024-11-14T06:43:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6755\/"},"modified":"2024-11-14T14:43:07","modified_gmt":"2024-11-14T06:43:07","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%8d%95%e4%b8%aa-sql-%e6%9f%a5%e8%af%a2%e8%8e%b7%e5%8f%96-oracle-%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e4%b8%8d%e5%90%8c%e6%97%b6%e9%97%b4%e6%ae%b5%e7%9a%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6755\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u5355\u4e2a SQL \u67e5\u8be2\u83b7\u53d6 Oracle \u6570\u636e\u5e93\u4e2d\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172990093672936.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528\u5355\u4e2a SQL \u67e5\u8be2\u83b7\u53d6 Oracle \u6570\u636e\u5e93\u4e2d\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528\u5355\u4e2a SQL \u67e5\u8be2\u83b7\u53d6 Oracle \u6570\u636e\u5e93\u4e2d\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5408\u5e76\u591a\u4e2a sql \u67e5\u8be2\u4ee5\u83b7\u53d6\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e<\/strong><\/p>\n<p>\u5728  \u6570\u636e\u5e93\u4e2d\uff0c\u60a8\u9700\u8981\u5408\u5e76\u4ee5\u4e0b\u4e09\u4e2a sql \u67e5\u8be2\u4ee5\u4ece\u5355\u8868\u4e2d\u63d0\u53d6\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e\uff1a<\/p>\n<pre>select count(1) as flownum from ccform_debit_all where cf_acctime &gt; to_char(sysdate, 'yyyy-mm-dd');\nselect count(1) as flownummonth from ccform_debit_all where cf_acctime &gt; to_char(sysdate, 'yyyy-mm');\nselect count(1) as flownumtotal from ccform_debit_all where cf_acctime &gt; to_char(sysdate, 'yyyy');<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8981\u5408\u5e76\u8fd9\u4e9b\u67e5\u8be2\uff0c\u8bf7\u4f7f\u7528 case \u8868\u8fbe\u5f0f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>select count(case when to_char(cf_acctime, 'yyyy-MM-dd') &gt; to_char(sysdate, 'yyyy-MM-dd') then 1 end) as flowNum,\n       count(case when to_char(cf_acctime, 'yyyy-MM') &gt; to_char(sysdate, 'yyyy-MM') then 1 end)       as flowNumMonth,\n       count(case when to_char(cf_acctime, 'yyyy') &gt; to_char(sysdate, 'yyyy') then 1 end)             as flowNumTotal\nfrom ccform_debit_all<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e2a\u5408\u5e76\u67e5\u8be2\u5c06\u8fd4\u56de\u4e09\u5217\uff1aflownum\u3001flownummonth \u548c flownumtotal\uff0c\u5206\u522b\u4ee3\u8868\u4eca\u5929\u3001\u672c\u6708\u548c\u672c\u5e74\u7684\u6d41\u7a0b\u6570\u91cf\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u5355\u4e2a SQL \u67e5\u8be2\u83b7\u53d6 Oracle \u6570\u636e\u5e93\u4e2d\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5408\u5e76\u591a\u4e2a sql \u67e5\u8be2\u4ee5\u83b7\u53d6\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e \u5728 \u6570\u636e\u5e93\u4e2d\uff0c\u60a8\u9700\u8981\u5408\u5e76\u4ee5\u4e0b\u4e09\u4e2a sql \u67e5\u8be2\u4ee5\u4ece\u5355\u8868\u4e2d\u63d0\u53d6\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6570\u636e\uff1a select count(1) as flownum from ccform_debit_all where cf_acctime &gt; to_char(sysdate, &#8216;yyyy-mm-dd&#8217;); select count(1) as flownummonth from ccform_debit_all where cf_acctime &gt; to_char(sysdate, &#8216;yyyy-mm&#8217;); select count(1) as flownumtotal from ccform_debit_all where cf_acctime &gt; to_char(sysdate, &#8216;yyyy&#8217;); \u767b\u5f55\u540e\u590d\u5236 \u8981\u5408\u5e76\u8fd9\u4e9b\u67e5\u8be2\uff0c\u8bf7\u4f7f\u7528 case \u8868\u8fbe\u5f0f\uff0c\u5982\u4e0b\u6240\u793a\uff1a select count(case when to_char(cf_acctime, &#8216;yyyy-MM-dd&#8217;) &gt; to_char(sysdate, &#8216;yyyy-MM-dd&#8217;) then 1 end) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6755","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6755","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6755"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6755\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}