{"id":6104,"date":"2024-11-14T09:24:58","date_gmt":"2024-11-14T01:24:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6104\/"},"modified":"2024-11-14T09:24:58","modified_gmt":"2024-11-14T01:24:58","slug":"oracle%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e5%ad%97%e6%ae%b5%e5%90%8d%e7%a7%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6104\/","title":{"rendered":"oracle\u5982\u4f55\u4fee\u6539\u5b57\u6bb5\u540d\u79f0"},"content":{"rendered":"

\n \u4fee\u6539 oracle \u8868\u4e2d\u5b57\u6bb5\u540d\u79f0\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u8fde\u63a5\u6570\u636e\u5e93\u3002\u4f7f\u7528 alter table \u8bed\u53e5\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\u3002\u6307\u5b9a\u8868\u540d\u548c\u65e7\u5b57\u6bb5\u540d\u79f0\u3002\u6307\u5b9a\u65b0\u5b57\u6bb5\u540d\u79f0\u3002\u63d0\u4ea4\u66f4\u6539\u3002\n<\/p><\/blockquote>\n

\"oracle\u5982\u4f55\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4fee\u6539 Oracle \u8868\u4e2d\u5b57\u6bb5\u540d\u79f0<\/strong><\/p>\n

\u4fee\u6539\u8868\u4e2d\u5b57\u6bb5\u540d\u79f0\u5728 Oracle \u4e2d\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8fc7\u7a0b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u5b8c\u6210\uff1a<\/p>\n

1. \u8fde\u63a5\u5230\u6570\u636e\u5e93<\/strong><\/p>\n

\u4f7f\u7528\u60a8\u559c\u6b22\u7684 SQL \u5ba2\u6237\u7aef\u5de5\u5177\uff08\u4f8b\u5982 SQL*Plus \u6216 SQL Developer\uff09\u8fde\u63a5\u5230 Oracle \u6570\u636e\u5e93\u3002<\/p>\n

2. \u4f7f\u7528 ALTER TABLE \u8bed\u53e5<\/strong><\/p>\n

\u4f7f\u7528 ALTER TABLE \u8bed\u53e5\u6765\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\u3002\u8be5\u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

ALTER TABLE table_name RENAME COLUMN old_column_name TO new_column_name;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u6307\u5b9a\u8868\u540d\u548c\u65e7\u5b57\u6bb5\u540d\u79f0<\/strong><\/p>\n
\u5728\u8bed\u53e5\u4e2d\uff0c\u7528\u8981\u4fee\u6539\u5176\u5b57\u6bb5\u540d\u79f0\u7684\u8868\u7684\u540d\u79f0\u66ff\u6362 table_name\u3002\u7528\u65e7\u5b57\u6bb5\u540d\u79f0\u66ff\u6362 old_column_name\u3002<\/p>\n
4. \u6307\u5b9a\u65b0\u5b57\u6bb5\u540d\u79f0<\/strong><\/p>\n
\u7528\u8981\u66f4\u6539\u5b57\u6bb5\u540d\u79f0\u66ff\u6362new_column_name\u3002<\/p>\n
\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/strong><\/p>\n
\u5047\u8bbe\u60a8\u6709\u4e00\u4e2a\u540d\u4e3a customers \u7684\u8868\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3a first_name \u7684\u5b57\u6bb5\u3002\u8981\u5c06\u6b64\u5b57\u6bb5\u7684\u540d\u79f0\u66f4\u6539\u4e3a given_name\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n
ALTER TABLE customers RENAME COLUMN first_name TO given_name;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
5. \u63d0\u4ea4\u66f4\u6539<\/strong><\/p>\n
\u6267\u884c\u5b8c ALTER TABLE \u8bed\u53e5\u540e\uff0c\u9700\u8981\u63d0\u4ea4\u66f4\u6539\u4ee5\u5e94\u7528\u5b83\u4eec\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528COMMIT\u8bed\u53e5\u6267\u884c\u6b64\u64cd\u4f5c\uff1a<\/p>\n
COMMIT;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\uff1a<\/strong><\/p>\n
    \n
  • \u5bf9\u4e8e\u67d0\u4e9b\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\u53ef\u80fd\u4f1a\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u548c\u811a\u672c\u3002<\/li>\n
  • \u5728\u8fdb\u884c\u4efb\u4f55\u66f4\u6539\u4e4b\u524d\uff0c\u5efa\u8bae\u5907\u4efd\u6570\u636e\u5e93\u3002<\/li>\n
  • \u5982\u679c\u60a8\u5728\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\u65f6\u9047\u5230\u9519\u8bef\uff0c\u8bf7\u68c0\u67e5\u60a8\u7684\u8bed\u6cd5\u5e76\u786e\u4fdd\u60a8\u5177\u6709\u4fee\u6539\u8868\u6240\u9700\u7684\u6743\u9650\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\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":"
    \u4fee\u6539 oracle \u8868\u4e2d\u5b57\u6bb5\u540d\u79f0\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u8fde\u63a5\u6570\u636e\u5e93\u3002\u4f7f\u7528 alter table \u8bed\u53e5\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\u3002\u6307\u5b9a\u8868\u540d\u548c\u65e7\u5b57\u6bb5\u540d\u79f0\u3002\u6307\u5b9a\u65b0\u5b57\u6bb5\u540d\u79f0\u3002\u63d0\u4ea4\u66f4\u6539\u3002 \u5982\u4f55\u4fee\u6539 Oracle \u8868\u4e2d\u5b57\u6bb5\u540d\u79f0 \u4fee\u6539\u8868\u4e2d\u5b57\u6bb5\u540d\u79f0\u5728 Oracle \u4e2d\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8fc7\u7a0b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u5b8c\u6210\uff1a 1. \u8fde\u63a5\u5230\u6570\u636e\u5e93 \u4f7f\u7528\u60a8\u559c\u6b22\u7684 SQL \u5ba2\u6237\u7aef\u5de5\u5177\uff08\u4f8b\u5982 SQL*Plus \u6216 SQL Developer\uff09\u8fde\u63a5\u5230 Oracle \u6570\u636e\u5e93\u3002 2. \u4f7f\u7528 ALTER TABLE \u8bed\u53e5 \u4f7f\u7528 ALTER TABLE \u8bed\u53e5\u6765\u4fee\u6539\u5b57\u6bb5\u540d\u79f0\u3002\u8be5\u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a ALTER TABLE table_name RENAME COLUMN old_column_name TO new_column_name; \u767b\u5f55\u540e\u590d\u5236 3. \u6307\u5b9a\u8868\u540d\u548c\u65e7\u5b57\u6bb5\u540d\u79f0 \u5728\u8bed\u53e5\u4e2d\uff0c\u7528\u8981\u4fee\u6539\u5176\u5b57\u6bb5\u540d\u79f0\u7684\u8868\u7684\u540d\u79f0\u66ff\u6362 table_name\u3002\u7528\u65e7\u5b57\u6bb5\u540d\u79f0\u66ff\u6362 old_column_name\u3002 4. \u6307\u5b9a\u65b0\u5b57\u6bb5\u540d\u79f0 \u7528\u8981\u66f4\u6539\u5b57\u6bb5\u540d\u79f0\u66ff\u6362new_column_name\u3002 \u4e3e\u4e2a\u4f8b\u5b50\uff1a \u5047\u8bbe\u60a8\u6709\u4e00\u4e2a\u540d\u4e3a customers \u7684\u8868\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3a first_name \u7684\u5b57\u6bb5\u3002\u8981\u5c06\u6b64\u5b57\u6bb5\u7684\u540d\u79f0\u66f4\u6539\u4e3a […]<\/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-6104","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6104","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=6104"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6104\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}