{"id":15573,"date":"2023-12-04T20:57:22","date_gmt":"2023-12-04T12:57:22","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15573"},"modified":"2023-12-04T20:58:05","modified_gmt":"2023-12-04T12:58:05","slug":"oracle-zhong-shi-qushi-jian-xiang-guan-de-lei-xing","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-shi-qushi-jian-xiang-guan-de-lei-xing\/","title":{"rendered":"Oracle \u4e2d\u65f6\u533a\/\u65f6\u95f4\u76f8\u5173\u7684\u7c7b\u578b\u548c\u51fd\u6570\uff1f"},"content":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u6709\u4e00\u4e9b\u4e0e\u65f6\u533a\u548c\u65f6\u95f4\u76f8\u5173\u7684\u7c7b\u578b\u548c\u51fd\u6570\uff1a<\/p>\n<h3><a id=\"1%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>1. \u6570\u636e\u7c7b\u578b\uff1a<\/h3>\n<ul>\n<li><strong>TIMESTAMP WITH TIME ZONE<\/strong>\uff1a\u5b58\u50a8\u65f6\u95f4\u548c\u76f8\u5bf9\u4e8e UTC \u7684\u65f6\u533a\u4fe1\u606f\u3002<\/li>\n<li><strong>TIMESTAMP<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u65f6\u95f4\u6233\uff0c\u4f46\u4e0d\u5305\u542b\u65f6\u533a\u4fe1\u606f\u3002<\/li>\n<li><strong>INTERVAL<\/strong>\uff1a\u7528\u4e8e\u8868\u793a\u65f6\u95f4\u95f4\u9694\u6216\u6301\u7eed\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<h3><a id=\"2%E5%87%BD%E6%95%B0%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>2. \u51fd\u6570\uff1a<\/h3>\n<ul>\n<li><strong>CURRENT_TIMESTAMP<\/strong>\uff1a\u8fd4\u56de\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u5e26\u6709\u65f6\u533a\u4fe1\u606f\u3002<\/li>\n<li><strong>LOCALTIMESTAMP<\/strong>\uff1a\u8fd4\u56de\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u4e0d\u5e26\u65f6\u533a\u4fe1\u606f\u3002<\/li>\n<li><strong>SYS_EXTRACT_UTC<\/strong>\uff1a\u63d0\u53d6\u65f6\u95f4\u6233\u4e2d\u7684 UTC \u65f6\u95f4\u90e8\u5206\u3002<\/li>\n<li><strong>FROM_TZ<\/strong>\uff1a\u5c06\u4e00\u4e2a\u65f6\u95f4\u6233\u8f6c\u6362\u4e3a\u6307\u5b9a\u65f6\u533a\u7684\u65f6\u95f4\u6233\u3002<\/li>\n<li><strong>AT TIME ZONE<\/strong>\uff1a\u5c06\u65f6\u95f4\u6233\u4ece\u4e00\u4e2a\u65f6\u533a\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u65f6\u533a\u3002<\/li>\n<\/ul>\n<h3><a id=\"3%E6%95%B0%E6%8D%AE%E5%AD%97%E5%85%B8%E8%A7%86%E5%9B%BE%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>3. \u6570\u636e\u5b57\u5178\u89c6\u56fe\uff1a<\/h3>\n<ul>\n<li><strong>V$TIMEZONE_NAMES<\/strong>\uff1a\u663e\u793a\u6570\u636e\u5e93\u4e2d\u652f\u6301\u7684\u65f6\u533a\u540d\u79f0\u3002<\/li>\n<li><strong>V$TIMEZONE_FILE<\/strong>\uff1a\u663e\u793a\u6570\u636e\u5e93\u4e2d\u652f\u6301\u7684\u65f6\u533a\u6587\u4ef6\u4fe1\u606f\u3002<\/li>\n<li><strong>V$TIMEZONE_NAMES<\/strong>\uff1a\u5217\u51fa\u4e86 Oracle \u652f\u6301\u7684\u65f6\u533a\u540d\u79f0\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u7c7b\u578b\u548c\u51fd\u6570\u7528\u4e8e\u5728 Oracle \u4e2d\u5904\u7406\u548c\u7ba1\u7406\u65f6\u95f4\u3001\u65f6\u533a\u548c\u65f6\u95f4\u6233\u4fe1\u606f\uff0c\u63d0\u4f9b\u4e86\u5bf9\u65f6\u533a\u8f6c\u6362\u3001\u65f6\u95f4\u6233\u63d0\u53d6\u7b49\u64cd\u4f5c\u7684\u652f\u6301\uff0c\u6709\u52a9\u4e8e\u5904\u7406\u8de8\u65f6\u533a\u7684\u65f6\u95f4\u6570\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u6709\u4e00\u4e9b\u4e0e\u65f6\u533a\u548c\u65f6\u95f4\u76f8\u5173\u7684\u7c7b\u578b\u548c\u51fd\u6570\uff1a 1. \u6570\u636e\u7c7b\u578b\uff1a TIMESTAMP WITH T [&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-15573","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15573","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=15573"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15573\/revisions"}],"predecessor-version":[{"id":15574,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15573\/revisions\/15574"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15573"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}