{"id":199899,"date":"2025-05-06T09:25:35","date_gmt":"2025-05-06T01:25:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199899\/"},"modified":"2025-05-06T09:25:35","modified_gmt":"2025-05-06T01:25:35","slug":"%e5%88%86%e8%a7%a3oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e7%b3%bb%e7%bb%9f%e4%b8%ad%e6%97%a5%e6%9c%9f%e7%9a%84%e4%bf%ae%e6%94%b9%e6%ad%a5%e9%aa%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199899\/","title":{"rendered":"\u5206\u89e3Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u65e5\u671f\u7684\u4fee\u6539\u6b65\u9aa4"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5206\u89e3Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u65e5\u671f\u7684\u4fee\u6539\u6b65\u9aa4<\/h1>\n<\/p>\n<p>\u6807\u9898\uff1aOracle\u6570\u636e\u5e93\u7cfb\u7edf\u65e5\u671f\u4fee\u6539\u6b65\u9aa4\u89e3\u6790\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n<p>\u5728Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u9700\u8981\u4fee\u6539\u65e5\u671f\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u66f4\u65b0\u67d0\u4e2a\u8868\u4e2d\u7684\u65e5\u671f\u5b57\u6bb5\uff0c\u6216\u8005\u4fee\u6539\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u9ed8\u8ba4\u65e5\u671f\u683c\u5f0f\u7b49\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u65e5\u671f\u4fee\u6539\u7684\u6b65\u9aa4\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u5b9e\u73b0\u65e5\u671f\u4fee\u6539\u64cd\u4f5c\u3002<\/p>\n<h3>\u6b65\u9aa4\u4e00\uff1a\u66f4\u65b0\u8868\u4e2d\u7684\u65e5\u671f\u5b57\u6bb5<\/h3>\n<p>\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u5982\u679c\u9700\u8981\u66f4\u65b0\u67d0\u4e2a\u8868\u4e2d\u7684\u65e5\u671f\u5b57\u6bb5\uff0c\u53ef\u4ee5\u4f7f\u7528UPDATE\u8bed\u53e5\u7ed3\u5408TO_DATE\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u8868\u540d\u4e3aEMPLOYEE\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u65e5\u671f\u5b57\u6bb5HIRE_DATE\uff0c\u73b0\u5728\u9700\u8981\u5c06\u6240\u6709\u5458\u5de5\u7684\u5165\u804c\u65e5\u671f\u66f4\u65b0\u4e3a2022\u5e741\u67081\u65e5\uff1a<\/p>\n<pre>UPDATE EMPLOYEE\nSET HIRE_DATE = TO_DATE('2022-01-01', 'YYYY-MM-DD');<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u4f7f\u7528TO_DATE\u51fd\u6570\u5c06\u5b57\u7b26\u4e32&#8217;2022-01-01&#8217;\u8f6c\u6362\u4e3a\u65e5\u671f\u7c7b\u578b\uff0c\u5e76\u5c06\u6240\u6709\u5458\u5de5\u7684\u5165\u804c\u65e5\u671f\u66f4\u65b0\u4e3a2022\u5e741\u67081\u65e5\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cTO_DATE\u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6307\u5b9a\u4e86\u65e5\u671f\u7684\u683c\u5f0f\uff0c\u5176\u4e2d&#8217;YYYY-MM-DD&#8217;\u8868\u793a\u5e74-\u6708-\u65e5\u7684\u683c\u5f0f\u3002<\/p>\n<h3>\u6b65\u9aa4\u4e8c\uff1a\u4fee\u6539\u6570\u636e\u5e93\u7cfb\u7edf\u9ed8\u8ba4\u65e5\u671f\u683c\u5f0f<\/h3>\n<p>\u5982\u679c\u5e0c\u671b\u4fee\u6539Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u9ed8\u8ba4\u65e5\u671f\u683c\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539NLS_DATE_FORMAT\u53c2\u6570\u6765\u5b9e\u73b0\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c06\u9ed8\u8ba4\u65e5\u671f\u683c\u5f0f\u4fee\u6539\u4e3a&#8217;YYYY-MM-DD HH24:MI:SS&#8217;\uff1a<\/p>\n<pre>ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u4f7f\u7528ALTER SESSION\u8bed\u53e5\u4fee\u6539\u4e86\u5f53\u524d\u4f1a\u8bdd\u7684NLS_DATE_FORMAT\u53c2\u6570\uff0c\u5c06\u9ed8\u8ba4\u65e5\u671f\u683c\u5f0f\u8bbe\u7f6e\u4e3a\u5e74-\u6708-\u65e5 \u65f6:\u5206:\u79d2\u7684\u683c\u5f0f\u3002<\/p>\n<h3>\u6b65\u9aa4\u4e09\uff1a\u4fee\u6539\u6570\u636e\u5e93\u7cfb\u7edf\u65f6\u533a\u8bbe\u7f6e<\/h3>\n<p>\u53e6\u5916\uff0c\u6709\u65f6\u5019\u8fd8\u9700\u8981\u4fee\u6539Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u65f6\u533a\u8bbe\u7f6e\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539NLS_DATE_TITMEZONE\u53c2\u6570\u6765\u5b9e\u73b0\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c06\u9ed8\u8ba4\u65f6\u533a\u8bbe\u7f6e\u4e3a&#8217;Asia\/Shanghai&#8217;\uff1a<\/p>\n<pre>ALTER DATABASE SET TIME_ZONE = 'Asia\/Shanghai';<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u4f7f\u7528ALTER DATABASE\u8bed\u53e5\u4fee\u6539\u4e86\u6570\u636e\u5e93\u7684\u65f6\u533a\u8bbe\u7f6e\u4e3a&#8217;Asia\/Shanghai&#8217;\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\u4f7f\u7528\u7684\u65f6\u533a\u662f\u6b63\u786e\u7684\uff0c\u907f\u514d\u65e5\u671f\u65f6\u95f4\u7684\u6df7\u4e71\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u8bfb\u8005\u53ef\u4ee5\u5728Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u8f7b\u677e\u5b9e\u73b0\u65e5\u671f\u7684\u4fee\u6539\u64cd\u4f5c\uff0c\u5305\u62ec\u66f4\u65b0\u8868\u4e2d\u7684\u65e5\u671f\u5b57\u6bb5\u3001\u4fee\u6539\u9ed8\u8ba4\u65e5\u671f\u683c\u5f0f\u548c\u65f6\u533a\u8bbe\u7f6e\u7b49\u3002\u5e0c\u671b\u672c\u6587\u7684\u793a\u4f8b\u4ee3\u7801\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u7684\u65e5\u671f\u4fee\u6539\u65b9\u6cd5\uff0c\u5e76\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8d77\u5230\u6307\u5bfc\u4f5c\u7528\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5206\u89e3Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u65e5\u671f\u7684\u4fee\u6539\u6b65\u9aa4\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u89e3Oracle\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u65e5\u671f&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199899","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199899"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199899\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}