{"id":5026,"date":"2024-11-14T12:43:20","date_gmt":"2024-11-14T04:43:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5026\/"},"modified":"2024-11-14T12:43:20","modified_gmt":"2024-11-14T04:43:20","slug":"oracle%e6%97%b6%e9%97%b4%e5%87%bd%e6%95%b0%e6%80%8e%e4%b9%88%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5026\/","title":{"rendered":"oracle\u65f6\u95f4\u51fd\u6570\u600e\u4e48\u52a0"},"content":{"rendered":"

\n oracle \u63d0\u4f9b\u65f6\u95f4\u52a0\u6cd5\u51fd\u6570\uff1aadd_months() \u6dfb\u52a0\u6708\u4efd\uff08\u793a\u4f8b\uff1a\u5c06 2023-03-01 \u6dfb\u52a0 3 \u4e2a\u6708\uff0c\u8fd4\u56de 2023-06-01\uff09add_days() \u6dfb\u52a0\u5929\u6570\uff08\u793a\u4f8b\uff1a\u5c06 2023-03-01 \u6dfb\u52a0 10 \u5929\uff0c\u8fd4\u56de 2023-03-11\uff09add_hours()\u3001add_minutes()\u3001add_seconds() \u5206\u522b\u6dfb\u52a0\u5c0f\u65f6\u3001\u5206\u949f\u548c\u79d2\uff08\u793a\u4f8b\uff1a\u5c06 10:00:00 \u6dfb\u52a0 2 \u5c0f\u65f6\uff0c\u8fd4\u56de 12:00:00\uff09\n<\/p><\/blockquote>\n

\"oracle\u65f6\u95f4\u51fd\u6570\u600e\u4e48\u52a0\u63d2\u56fe\"<\/p>\n

\u4f7f\u7528 Oracle \u65f6\u95f4\u51fd\u6570\u8fdb\u884c\u52a0\u6cd5<\/strong><\/p>\n

Oracle \u63d0\u4f9b\u4e86\u5e7f\u6cdb\u7684\u65f6\u95f4\u51fd\u6570\uff0c\u5176\u4e2d\u5305\u62ec\u7528\u4e8e\u6267\u884c\u65f6\u95f4\u52a0\u6cd5\u7684\u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u5141\u8bb8\u60a8\u8f7b\u677e\u5730\u5c06\u65f6\u95f4\u95f4\u9694\uff08\u4f8b\u5982\u5c0f\u65f6\u3001\u5206\u949f\u6216\u79d2\uff09\u6dfb\u52a0\u5230\u73b0\u6709\u65f6\u95f4\u503c\u3002<\/p>\n

\u4f7f\u7528 ADD_MONTHS \u51fd\u6570<\/strong><\/p>\n

\u8981\u5c06\u6708\u4efd\u6dfb\u52a0\u5230\u65f6\u95f4\u503c\uff0c\u8bf7\u4f7f\u7528 ADD_MONTHS \u51fd\u6570\u3002\u5b83\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

ADD_MONTHS(date_value, number_of_months)<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • date_value \u662f\u8981\u6dfb\u52a0\u6708\u4efd\u7684\u65f6\u95f4\u503c\u3002<\/li>\n
  • number_of_months \u662f\u8981\u6dfb\u52a0\u7684\u6708\u4efd\u6570\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    SELECT ADD_MONTHS('2023-03-01', 3) FROM dual;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u8fd4\u56de 2023 \u5e74 6 \u6708 1 \u65e5\u3002<\/p>\n
    \u4f7f\u7528 ADD_DAYS \u51fd\u6570<\/strong><\/p>\n
    \u8981\u5c06\u5929\u6570\u6dfb\u52a0\u5230\u65f6\u95f4\u503c\uff0c\u8bf7\u4f7f\u7528 ADD_DAYS \u51fd\u6570\u3002\u5b83\u7684\u8bed\u6cd5\u4e0e ADD_MONTHS \u51fd\u6570\u76f8\u4f3c\uff1a<\/p>\n
    ADD_DAYS(date_value, number_of_days)<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    SELECT ADD_DAYS('2023-03-01', 10) FROM dual;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u8fd4\u56de 2023 \u5e74 3 \u6708 11 \u65e5\u3002<\/p>\n
    \u4f7f\u7528 ADD_HOURS\u3001ADD_MINUTES \u548c ADD_SECONDS \u51fd\u6570<\/strong><\/p>\n
    \u8fd8\u53ef\u4ee5\u4f7f\u7528 ADD_HOURS\u3001ADD_MINUTES \u548c ADD_SECONDS \u51fd\u6570\u5206\u522b\u5c06\u5c0f\u65f6\u3001\u5206\u949f\u548c\u79d2\u6dfb\u52a0\u5230\u65f6\u95f4\u503c\u3002\u5b83\u4eec\u7684\u8bed\u6cd5\u4e0e ADD_MONTHS \u548c ADD_DAYS \u51fd\u6570\u7c7b\u4f3c\u3002<\/p>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    SELECT ADD_HOURS('10:00:00', 2) FROM dual;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u8fd4\u56de 12:00:00\u3002<\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u4efb\u4f55\u53ef\u4ee5\u63a5\u53d7\u65f6\u95f4\u503c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4f8b\u5982 DATE\u3001TIMESTAMP \u548c TIMESTAMP WITH TIME ZONE\u3002<\/li>\n
    • \u6dfb\u52a0\u65f6\u95f4\u95f4\u9694\u65f6\uff0c\u5982\u679c\u7ed3\u679c\u503c\u8d85\u8fc7\u4e86\u6700\u5927\u65f6\u95f4\u8303\u56f4\uff0c\u5219\u4f1a\u4ea7\u751f\u9519\u8bef\u3002<\/li>\n
    • \u8fd9\u4e9b\u51fd\u6570\u8fd8\u53ef\u7528\u4e8e\u51cf\u53bb\u65f6\u95f4\u95f4\u9694\uff0c\u53ea\u9700\u5c06\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6307\u5b9a\u4e3a\u8d1f\u6570\u5373\u53ef\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u65f6\u95f4\u51fd\u6570\u600e\u4e48\u52a0\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":"
      oracle \u63d0\u4f9b\u65f6\u95f4\u52a0\u6cd5\u51fd\u6570\uff1aadd_months() \u6dfb\u52a0\u6708\u4efd\uff08\u793a\u4f8b\uff1a\u5c06 2023-03-01 \u6dfb\u52a0 3 \u4e2a\u6708\uff0c\u8fd4\u56de 2023-06-01\uff09add_days() \u6dfb\u52a0\u5929\u6570\uff08\u793a\u4f8b\uff1a\u5c06 2023-03-01 \u6dfb\u52a0 10 \u5929\uff0c\u8fd4\u56de 2023-03-11\uff09add_hours()\u3001add_minutes()\u3001add_seconds() \u5206\u522b\u6dfb\u52a0\u5c0f\u65f6\u3001\u5206\u949f\u548c\u79d2\uff08\u793a\u4f8b\uff1a\u5c06 10:00:00 \u6dfb\u52a0 2 \u5c0f\u65f6\uff0c\u8fd4\u56de 12:00:00\uff09 \u4f7f\u7528 Oracle \u65f6\u95f4\u51fd\u6570\u8fdb\u884c\u52a0\u6cd5 Oracle \u63d0\u4f9b\u4e86\u5e7f\u6cdb\u7684\u65f6\u95f4\u51fd\u6570\uff0c\u5176\u4e2d\u5305\u62ec\u7528\u4e8e\u6267\u884c\u65f6\u95f4\u52a0\u6cd5\u7684\u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u5141\u8bb8\u60a8\u8f7b\u677e\u5730\u5c06\u65f6\u95f4\u95f4\u9694\uff08\u4f8b\u5982\u5c0f\u65f6\u3001\u5206\u949f\u6216\u79d2\uff09\u6dfb\u52a0\u5230\u73b0\u6709\u65f6\u95f4\u503c\u3002 \u4f7f\u7528 ADD_MONTHS \u51fd\u6570 \u8981\u5c06\u6708\u4efd\u6dfb\u52a0\u5230\u65f6\u95f4\u503c\uff0c\u8bf7\u4f7f\u7528 ADD_MONTHS \u51fd\u6570\u3002\u5b83\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a ADD_MONTHS(date_value, number_of_months) \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a date_value \u662f\u8981\u6dfb\u52a0\u6708\u4efd\u7684\u65f6\u95f4\u503c\u3002 number_of_months \u662f\u8981\u6dfb\u52a0\u7684\u6708\u4efd\u6570\u3002 \u793a\u4f8b\uff1a SELECT ADD_MONTHS(‘2023-03-01’, 3) FROM dual; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u8fd4\u56de 2023 \u5e74 6 \u6708 1 \u65e5\u3002 \u4f7f\u7528 ADD_DAYS […]<\/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-5026","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5026","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=5026"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5026\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}