{"id":96096,"date":"2024-10-20T06:34:32","date_gmt":"2024-10-19T22:34:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96096\/"},"modified":"2024-10-20T06:34:33","modified_gmt":"2024-10-19T22:34:33","slug":"oracle%e5%90%8c%e7%be%a9%e8%a9%9e%e5%92%8c%e5%ba%8f%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96096\/","title":{"rendered":"Oracle\u540c\u7fa9\u8a5e\u548c\u5e8f\u5217\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"oracle%e5%90%8c%e7%be%a9%e8%a9%9e%e5%92%8c%e5%ba%8f%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95-SPDAKvNWXT\">Oracle\u540c\u7fa9\u8a5e\u548c\u5e8f\u5217\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u540c\u7fa9\u8a5e\u548c\u5e8f\u5217\u662f\u5169\u500b\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u548c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u5169\u500b\u6982\u5ff5\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u4ee5\u4fbf\u8b80\u8005\u80fd\u5920\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528\u9019\u4e9b\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-SPDAKvNWXT\">\u540c\u7fa9\u8a5e\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u540c\u7fa9\u8a5e\uff08Synonym\uff09\u662fOracle\u6578\u64da\u5eab\u4e2d\u4e00\u7a2e\u5c0d\u8c61\uff0c\u5b83\u70ba\u5176\u4ed6\u6578\u64da\u5eab\u5c0d\u8c61\uff08\u5982\u8868\u3001\u8996\u5716\u3001\u7a0b\u5e8f\u7b49\uff09\u63d0\u4f9b\u4e86\u4e00\u500b\u5225\u540d\u3002\u4f7f\u7528\u540c\u7fa9\u8a5e\u53ef\u4ee5\u7c21\u5316\u5c0d\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u8a2a\u554f\uff0c\u7279\u5225\u662f\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u80fd\u5920\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h3 id=\"%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e9%a1%9e%e5%9e%8b-SPDAKvNWXT\">\u540c\u7fa9\u8a5e\u7684\u985e\u578b<\/h3>\n<ul>\n<li><strong>\u516c\u5171\u540c\u7fa9\u8a5e<\/strong>\uff1a\u53ef\u4ee5\u88ab\u6240\u6709\u7528\u6236\u8a2a\u554f\u3002<\/li>\n<li><strong>\u79c1\u6709\u540c\u7fa9\u8a5e<\/strong>\uff1a\u50c5\u80fd\u88ab\u5275\u5efa\u5b83\u7684\u7528\u6236\u8a2a\u554f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e5%90%8c%e7%be%a9%e8%a9%9e-SPDAKvNWXT\">\u5275\u5efa\u540c\u7fa9\u8a5e<\/h3>\n<p>\u5275\u5efa\u540c\u7fa9\u8a5e\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE [PUBLIC] SYNONYM synonym_name FOR object_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cemployees\u201d\u7684\u8868\uff0c\u6211\u5011\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u516c\u5171\u540c\u7fa9\u8a5e\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE PUBLIC SYNONYM emp FOR employees;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u4efb\u4f55\u7528\u6236\u90fd\u53ef\u4ee5\u901a\u904e\u201cemp\u201d\u4f86\u8a2a\u554f\u201cemployees\u201d\u8868\u3002<\/p>\n<h3 id=\"%e5%88%aa%e9%99%a4%e5%90%8c%e7%be%a9%e8%a9%9e-SPDAKvNWXT\">\u522a\u9664\u540c\u7fa9\u8a5e<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u540c\u7fa9\u8a5e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DROP [PUBLIC] SYNONYM synonym_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP PUBLIC SYNONYM emp;<\/code><\/pre>\n<h2 id=\"%e5%ba%8f%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-SPDAKvNWXT\">\u5e8f\u5217\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5e8f\u5217\uff08Sequence\uff09\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u6578\u5b57\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u7684\u81ea\u52d5\u589e\u91cf\u3002\u5e8f\u5217\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u4fdd\u8b49\u751f\u6210\u7684\u6578\u5b57\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u4e8b\u52d9\u4e2d\u5b89\u5168\u5730\u4f7f\u7528\u3002<\/p>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e5%ba%8f%e5%88%97-SPDAKvNWXT\">\u5275\u5efa\u5e8f\u5217<\/h3>\n<p>\u5275\u5efa\u5e8f\u5217\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE SEQUENCE sequence_name\n    START WITH start_value\n    INCREMENT BY increment_value\n    [MINVALUE min_value]\n    [MAXVALUE max_value]\n    [CYCLE | NOCYCLE]\n    [CACHE cache_size];<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cemp_seq\u201d\u7684\u5e8f\u5217\uff0c\u5f9e1\u958b\u59cb\uff0c\u6bcf\u6b21\u589e\u91cf\u70ba1\uff1a<\/p>\n<pre><code>CREATE SEQUENCE emp_seq\n    START WITH 1\n    INCREMENT BY 1;<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e5%ba%8f%e5%88%97-SPDAKvNWXT\">\u4f7f\u7528\u5e8f\u5217<\/h3>\n<p>\u8981\u7372\u53d6\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>SELECT sequence_name.NEXTVAL FROM dual;<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT emp_seq.NEXTVAL FROM dual;<\/code><\/pre>\n<h3 id=\"%e5%88%aa%e9%99%a4%e5%ba%8f%e5%88%97-SPDAKvNWXT\">\u522a\u9664\u5e8f\u5217<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DROP SEQUENCE sequence_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP SEQUENCE emp_seq;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SPDAKvNWXT\">\u7e3d\u7d50<\/h2>\n<p>\u540c\u7fa9\u8a5e\u548c\u5e8f\u5217\u662fOracle\u6578\u64da\u5eab\u4e2d\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u548c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u76f8\u4fe1\u8b80\u8005\u5c0d\u9019\u5169\u500b\u6982\u5ff5\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u4e2d\u540c\u7fa9\u8a5e\u548c\u5e8f\u5217\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u67e5\u8a62\u548c\u6578\u64da\u751f\u6210\u904e\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-96096","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96096","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=96096"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96096\/revisions"}],"predecessor-version":[{"id":96097,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96096\/revisions\/96097"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}