{"id":51530,"date":"2024-12-03T16:51:07","date_gmt":"2024-12-03T08:51:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51530\/"},"modified":"2024-12-03T16:51:07","modified_gmt":"2024-12-03T08:51:07","slug":"%e5%a6%82%e4%bd%95%e6%9b%b4%e6%94%b9oracle%e4%b8%ad%e7%9a%84%e6%97%b6%e9%97%b4%e6%a0%bc%e5%bc%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51530\/","title":{"rendered":"\u5982\u4f55\u66f4\u6539Oracle\u4e2d\u7684\u65f6\u95f4\u683c\u5f0f\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u66f4\u6539Oracle\u4e2d\u7684\u65f6\u95f4\u683c\u5f0f\uff1f<\/h1>\n

\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u66f4\u6539Oracle\u4e2d\u7684\u65f6\u95f4\u683c\u5f0f\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

Oracle\u6570\u636e\u5e93\u4e2d\u65f6\u95f4\u683c\u5f0f\u7684\u4fee\u6539\u5728\u5b9e\u9645\u7684\u5f00\u53d1\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u672c\u6587\u5c06\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u4fee\u6539\u65f6\u95f4\u683c\u5f0f\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u65f6\u95f4\u6570\u636e\u7c7b\u578b\u4e3b\u8981\u6709DATE\u548cTIMESTAMP\u4e24\u79cd\u7c7b\u578b\uff0c\u5176\u4e2dDATE\u7c7b\u578b\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u800cTIMESTAMP\u7c7b\u578b\u53ef\u4ee5\u5b58\u50a8\u66f4\u9ad8\u7cbe\u5ea6\u7684\u65f6\u95f4\u4fe1\u606f\u3002\u5728\u8fdb\u884c\u65f6\u95f4\u683c\u5f0f\u4fee\u6539\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528TO_CHAR\u51fd\u6570\u6765\u5b9e\u73b0\u3002<\/p>\n

\u4e0b\u9762\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e9b\u5177\u4f53\u7684\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u4fee\u6539\u65f6\u95f4\u683c\u5f0f\u3002<\/p>\n

\u793a\u4f8b\u4e00\uff1a\u5c06\u65e5\u671f\u65f6\u95f4\u683c\u5f0f\u8f6c\u6362\u4e3a\u6307\u5b9a\u683c\u5f0f<\/h3>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u65e5\u671f\u65f6\u95f4\u5b57\u6bb5\u4e3a’2022-10-22 14:30:00’\uff0c\u73b0\u5728\u6211\u4eec\u8981\u5c06\u5176\u8f6c\u6362\u4e3a’2022\u5e7410\u670822\u65e5 14\u65f630\u5206’\u7684\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n

SELECT TO_CHAR(TO_DATE('2022-10-22 14:30:00', 'YYYY-MM-DD HH24:MI:SS'), 'YYYY\"\u5e74\"MM\"\u6708\"DD\"\u65e5\" HH\"\u65f6\"MI\"\u5206\"') \nFROM dual;<\/pre>\n
\u793a\u4f8b\u4e8c\uff1a\u5c06\u65e5\u671f\u683c\u5f0f\u8f6c\u6362\u4e3a\u53ea\u663e\u793a\u5e74\u6708\u65e5<\/h3>\n
\u5982\u679c\u53ea\u9700\u8981\u663e\u793a\u65e5\u671f\u7684\u5e74\u6708\u65e5\u90e8\u5206\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
SELECT TO_CHAR(SYSDATE, 'YYYY-MM-DD') \nFROM dual;<\/pre>\n
\u793a\u4f8b\u4e09\uff1a\u5c06\u65f6\u95f4\u683c\u5f0f\u8f6c\u6362\u4e3a\u53ea\u663e\u793a\u65f6\u5206\u79d2<\/h3>\n
\u5982\u679c\u53ea\u9700\u8981\u663e\u793a\u65f6\u95f4\u7684\u65f6\u5206\u79d2\u90e8\u5206\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
SELECT TO_CHAR(SYSDATE, 'HH24:MI:SS') \nFROM dual;<\/pre>\n
\u793a\u4f8b\u56db\uff1a\u5c06\u65e5\u671f\u65f6\u95f4\u683c\u5f0f\u8f6c\u6362\u4e3a\u6708\u4efd\u540d\u79f0\u683c\u5f0f<\/h3>\n
\u5982\u679c\u9700\u8981\u5c06\u65e5\u671f\u65f6\u95f4\u5b57\u6bb5\u8f6c\u6362\u4e3a\u5e26\u6709\u6708\u4efd\u540d\u79f0\u7684\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
SELECT TO_CHAR(TO_DATE('2022-10-22', 'YYYY-MM-DD'), 'YYYY\"\u5e74\"MM\"\u6708\"DD\"\u65e5\"') \nFROM dual;<\/pre>\n
\u7ed3\u8bed<\/h3>\n
\u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5728Oracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u4fee\u6539\u65f6\u95f4\u683c\u5f0f\u3002\u901a\u8fc7\u4f7f\u7528TO_CHAR\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u5c06\u65f6\u95f4\u5b57\u6bb5\u6309\u7167\u81ea\u5df1\u7684\u9700\u6c42\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u4f7f\u5176\u66f4\u7b26\u5408\u5b9e\u9645\u7684\u5c55\u793a\u9700\u6c42\u3002\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u65f6\u95f4\u683c\u5f0f\u8981\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u4ee5\u8fbe\u5230\u9884\u671f\u7684\u5c55\u793a\u6548\u679c\u3002<\/p>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
\n
<\/dt>\n
\n   \u5982\u4f55\u4fee\u6539\u6587\u4ef6\u5728Win10\u4e2d\u7684\u9ed8\u8ba4\u6253\u5f00\u65b9\u6cd5\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u66f4\u6539Oracle\u4e2d\u7684\u65f6\u95f4\u683c\u5f0f\uff1f \u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u66f4\u6539Oracle\u4e2d\u7684\u65f6\u95f4\u683c\u5f0f\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01 Oracle\u6570\u636e\u5e93\u4e2d\u65f6\u95f4\u683c\u5f0f\u7684\u4fee\u6539\u5728\u5b9e\u9645\u7684\u5f00\u53d1\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u672c\u6587\u5c06\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u4fee\u6539\u65f6\u95f4\u683c\u5f0f\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u65f6\u95f4\u6570\u636e\u7c7b\u578b\u4e3b\u8981\u6709DATE\u548cTIMESTAMP\u4e24\u79cd\u7c7b\u578b\uff0c\u5176\u4e2dDATE\u7c7b\u578b\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u800cTIMESTAMP\u7c7b\u578b\u53ef\u4ee5\u5b58\u50a8\u66f4\u9ad8\u7cbe\u5ea6\u7684\u65f6\u95f4\u4fe1\u606f\u3002\u5728\u8fdb\u884c\u65f6\u95f4\u683c\u5f0f\u4fee\u6539\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528TO_CHAR\u51fd\u6570\u6765\u5b9e\u73b0\u3002 \u4e0b\u9762\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e9b\u5177\u4f53\u7684\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u4fee\u6539\u65f6\u95f4\u683c\u5f0f\u3002 \u793a\u4f8b\u4e00\uff1a\u5c06\u65e5\u671f\u65f6\u95f4\u683c\u5f0f\u8f6c\u6362\u4e3a\u6307\u5b9a\u683c\u5f0f \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u65e5\u671f\u65f6\u95f4\u5b57\u6bb5\u4e3a’2022-10-22 14:30:00’\uff0c\u73b0\u5728\u6211\u4eec\u8981\u5c06\u5176\u8f6c\u6362\u4e3a’2022\u5e7410\u670822\u65e5 14\u65f630\u5206’\u7684\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a SELECT TO_CHAR(TO_DATE(‘2022-10-22 14:30:00’, ‘YYYY-MM-DD HH24:MI:SS’), ‘YYYY”\u5e74”MM”\u6708”DD”\u65e5” HH”\u65f6”MI”\u5206”‘) FROM dual; \u793a\u4f8b\u4e8c\uff1a\u5c06\u65e5\u671f\u683c\u5f0f\u8f6c\u6362\u4e3a\u53ea\u663e\u793a\u5e74\u6708\u65e5 \u5982\u679c\u53ea\u9700\u8981\u663e\u793a\u65e5\u671f\u7684\u5e74\u6708\u65e5\u90e8\u5206\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a SELECT TO_CHAR(SYSDATE, ‘YYYY-MM-DD’) FROM dual; \u793a\u4f8b\u4e09\uff1a\u5c06\u65f6\u95f4\u683c\u5f0f\u8f6c\u6362\u4e3a\u53ea\u663e\u793a\u65f6\u5206\u79d2 \u5982\u679c\u53ea\u9700\u8981\u663e\u793a\u65f6\u95f4\u7684\u65f6\u5206\u79d2\u90e8\u5206\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a SELECT TO_CHAR(SYSDATE, ‘HH24:MI:SS’) FROM dual; \u793a\u4f8b\u56db\uff1a\u5c06\u65e5\u671f\u65f6\u95f4\u683c\u5f0f\u8f6c\u6362\u4e3a\u6708\u4efd\u540d\u79f0\u683c\u5f0f \u5982\u679c\u9700\u8981\u5c06\u65e5\u671f\u65f6\u95f4\u5b57\u6bb5\u8f6c\u6362\u4e3a\u5e26\u6709\u6708\u4efd\u540d\u79f0\u7684\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a SELECT TO_CHAR(TO_DATE(‘2022-10-22’, ‘YYYY-MM-DD’), ‘YYYY”\u5e74”MM”\u6708”DD”\u65e5”‘) FROM dual; \u7ed3\u8bed \u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5728Oracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u4fee\u6539\u65f6\u95f4\u683c\u5f0f\u3002\u901a\u8fc7\u4f7f\u7528TO_CHAR\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u5c06\u65f6\u95f4\u5b57\u6bb5\u6309\u7167\u81ea\u5df1\u7684\u9700\u6c42\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u4f7f\u5176\u66f4\u7b26\u5408\u5b9e\u9645\u7684\u5c55\u793a\u9700\u6c42\u3002\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u65f6\u95f4\u683c\u5f0f\u8981\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u4ee5\u8fbe\u5230\u9884\u671f\u7684\u5c55\u793a\u6548\u679c\u3002 \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~ \u5982\u4f55\u4fee\u6539\u6587\u4ef6\u5728Win10\u4e2d\u7684\u9ed8\u8ba4\u6253\u5f00\u65b9\u6cd5\uff1f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51530","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51530","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=51530"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51530\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}