{"id":5619,"date":"2024-11-14T11:33:19","date_gmt":"2024-11-14T03:33:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5619\/"},"modified":"2024-11-14T11:33:19","modified_gmt":"2024-11-14T03:33:19","slug":"sql%e6%80%8e%e4%b9%88%e5%a4%8d%e5%88%b6%e4%b8%80%e5%bc%a0%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5619\/","title":{"rendered":"sql\u600e\u4e48\u590d\u5236\u4e00\u5f20\u8868"},"content":{"rendered":"

\n \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5728 sql \u4e2d\u590d\u5236\u8868\uff1a\u4f7f\u7528 create table as select \u8bed\u53e5\u521b\u5efa\u4e00\u4e2a\u65b0\u8868\u5e76\u4ece\u53e6\u4e00\u4e2a\u8868\u4e2d\u9009\u62e9\u884c\u4f7f\u7528 insert into \u8bed\u53e5\u5c06\u884c\u4ece\u4e00\u4e2a\u8868\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u8868\u4e2d\u4f7f\u7528 select into \u8bed\u53e5\u5c06\u65b0\u884c\u63d2\u5165\u73b0\u6709\u8868\u4e2d\u5728\u67d0\u4e9b dbms \u4e2d\u4f7f\u7528 copy \u547d\u4ee4\u76f4\u63a5\u590d\u5236\u8868\n<\/p><\/blockquote>\n

\"sql\u600e\u4e48\u590d\u5236\u4e00\u5f20\u8868\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 SQL \u590d\u5236\u4e00\u5f20\u8868<\/strong><\/p>\n

\u5728 SQL \u4e2d\u590d\u5236\u4e00\u5f20\u8868\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 CREATE TABLE AS SELECT \u8bed\u53e5\u3002<\/p>\n

CREATE TABLE AS SELECT \u8bed\u53e5<\/strong><\/p>\n

CREATE TABLE AS SELECT \u8bed\u53e5\u5141\u8bb8\u60a8\u4f7f\u7528\u4ece\u53e6\u4e00\u4e2a\u8868\u4e2d\u9009\u62e9\u7684\u884c\u6765\u521b\u5efa\u4e00\u5f20\u65b0\u8868\u3002\u8be5\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

CREATE TABLE new_table_name AS\nSELECT column1, column2, ...\nFROM old_table_name;<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
\u8981\u590d\u5236\u540d\u4e3a customers \u7684\u8868\uff0c\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n
CREATE TABLE customers_copy AS\nSELECT *\nFROM customers;<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a customers_copy \u7684\u65b0\u8868\uff0c\u5b83\u5c06\u5305\u542b customers \u8868\u4e2d\u7684\u6240\u6709\u884c\u548c\u5217\u3002<\/p>\n
\u5176\u4ed6\u65b9\u6cd5<\/strong><\/p>\n
\u9664\u4e86 CREATE TABLE AS SELECT \u8bed\u53e5\u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528 SQL \u590d\u5236\u4e00\u5f20\u8868\uff0c\u5305\u62ec\uff1a<\/p>\n
    \n
  •  INSERT INTO \u8bed\u53e5\uff1a<\/strong>\u6b64\u8bed\u53e5\u5141\u8bb8\u60a8\u5c06\u4ece\u4e00\u4e2a\u8868\u4e2d\u9009\u62e9\u7684\u884c\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u8868\u4e2d\u3002<\/li>\n
  •  SELECT INTO \u8bed\u53e5\uff1a<\/strong>\u6b64\u8bed\u53e5\u4e0e CREATE TABLE AS SELECT \u8bed\u53e5\u7c7b\u4f3c\uff0c\u4f46\u5b83\u5c06\u65b0\u884c\u63d2\u5165\u5230\u73b0\u6709\u8868\u4e2d\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u65b0\u8868\u3002<\/li>\n
  •  COPY \u547d\u4ee4\uff1a<\/strong>\u6b64\u547d\u4ee4\u5728\u67d0\u4e9b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08DBMS\uff09\u4e2d\u53ef\u7528\uff0c\u5141\u8bb8\u60a8\u76f4\u63a5\u590d\u5236\u8868\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fsql\u600e\u4e48\u590d\u5236\u4e00\u5f20\u8868\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":"
    \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5728 sql \u4e2d\u590d\u5236\u8868\uff1a\u4f7f\u7528 create table as select \u8bed\u53e5\u521b\u5efa\u4e00\u4e2a\u65b0\u8868\u5e76\u4ece\u53e6\u4e00\u4e2a\u8868\u4e2d\u9009\u62e9\u884c\u4f7f\u7528 insert into \u8bed\u53e5\u5c06\u884c\u4ece\u4e00\u4e2a\u8868\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u8868\u4e2d\u4f7f\u7528 select into \u8bed\u53e5\u5c06\u65b0\u884c\u63d2\u5165\u73b0\u6709\u8868\u4e2d\u5728\u67d0\u4e9b dbms \u4e2d\u4f7f\u7528 copy \u547d\u4ee4\u76f4\u63a5\u590d\u5236\u8868 \u5982\u4f55\u4f7f\u7528 SQL \u590d\u5236\u4e00\u5f20\u8868 \u5728 SQL \u4e2d\u590d\u5236\u4e00\u5f20\u8868\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 CREATE TABLE AS SELECT \u8bed\u53e5\u3002 CREATE TABLE AS SELECT \u8bed\u53e5 CREATE TABLE AS SELECT \u8bed\u53e5\u5141\u8bb8\u60a8\u4f7f\u7528\u4ece\u53e6\u4e00\u4e2a\u8868\u4e2d\u9009\u62e9\u7684\u884c\u6765\u521b\u5efa\u4e00\u5f20\u65b0\u8868\u3002\u8be5\u8bed\u6cd5\u5982\u4e0b\uff1a CREATE TABLE new_table_name AS SELECT column1, column2, … FROM old_table_name; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u8981\u590d\u5236\u540d\u4e3a customers \u7684\u8868\uff0c\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a CREATE […]<\/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-5619","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5619","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=5619"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5619\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}