{"id":8930,"date":"2014-06-24T23:28:23","date_gmt":"2014-06-24T15:28:23","guid":{"rendered":"http:\/\/bohu.net\/blog\/?p=8930"},"modified":"2023-02-11T00:11:03","modified_gmt":"2023-02-10T16:11:03","slug":"sql-%e5%a2%9e%e5%8a%a0%e8%87%aa%e5%8a%a8%e5%a2%9e%e9%95%bfid%e5%88%97","status":"publish","type":"post","link":"https:\/\/www.bohu.net\/blog\/8930\/","title":{"rendered":"SQL \u589e\u52a0\u81ea\u52a8\u589e\u957fid\u5217"},"content":{"rendered":"

\u65b9\u6cd51\uff1a<\/p>\n

\u5728\u8868\u8bbe\u8ba1\u5668\u4e2d\u624b\u52a8\u521b\u5efa\u5217\uff0c\u9009\u62e9\u6807\u8bc6\uff0c\u79cd\u5b50\uff0c\u589e\u91cf\u3002<\/p>\n

\"\"<\/p>\n

\u65b9\u6cd52\uff1a<\/p>\n

\u76f4\u63a5\u5efa\u8868\u662f\u521b\u5efa\u751f\u6210<\/p>\n

CREATE TABLE Tab_Test (ID int IDENTITY (1, 1), Name varchar(50))<\/pre>\n
\u65b9\u6cd53\uff1a<\/p>\n
\u4fee\u6539\u4ee5\u6709\u7684\u8868\uff0c\u589e\u52a0\u4e00\u5217<\/p>\n
ALTER TABLE _TAB_Epm_Users ADD nID int IDENTITY (1, 1)<\/pre>\n
\u65b9\u6cd54\uff1a<\/p>\n
\u7528\u5b58\u50a8\u8fc7\u7a0b\u5b8c\u6210\uff0c \u6211\u6ca1\u7528\u8fc7\u3002\u81ea\u5df1\u67e5\u4e0b\u3002<\/p>\n
\u65b9\u6cd55\uff1a<\/p>\n
\u5176\u4ed6\u65b9\u6cd5\uff0c \u4e5f\u53ef\u4ee5\u53d8\u901a\u5b8c\u6210\u3002<\/p>\n
\u6bd4\u5982\uff1a\u5728\u63d2\u5165\u6570\u636e\u65f6\u53ef\u4ee5 \u5148 MAX(nID)\u00a0 \u539f\u4e3b\u952e\uff0c\u7136\u540e+1\u540e\u63d2\u5165\u3002<\/p>\n
\u6bd4\u5982\uff1a\u5df2\u6709\u4e00\u5f20\u8868\uff0c\u6211\u60f3\u5728\u8868\u91cc\u589e\u52a0\u4e00\u4e2a\u81ea\u52a8\u589e\u957f\u5217\uff0c\u4f46\u662f\u6211\u60f3\u6dfb\u8fdb\u53bb\u7684\u81ea\u52a8\u589e\u957f\u5217\u6309\u5173\u952e\u5b57order by\u6392\u5e8f\uff0c\u6709\u7b80\u5355\u6613\u884c\u7684\u65b9\u6cd5\u5417<\/p>\n
\n
——\u89e3\u51b3\u65b9\u6848——————–<\/span><\/address>\n
select NewID = identity(int,1,1), * into NewTable from OldTable order by \u65e7\u7684\u6570\u636e\u7684\u7f16\u53f7\u6309\u5173\u952e\u5b57\u6392\u5e8f<\/address>\n
——\u89e3\u51b3\u65b9\u6848——————–<\/span>
\n\u75282005\u7684\u6392\u5e8f\u51fd\u6570 row_number()
\nselect row_number() over (order by id), * from sysobjects<\/address>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
\u65b9\u6cd51\uff1a \u5728\u8868\u8bbe\u8ba1\u5668\u4e2d\u624b\u52a8\u521b\u5efa\u5217\uff0c\u9009\u62e9\u6807\u8bc6\uff0c\u79cd\u5b50\uff0c\u589e\u91cf\u3002 \u65b9\u6cd52\uff1a \u76f4\u63a5\u5efa\u8868\u662f\u521b\u5efa\u751f\u6210 CREATE TABL … \u7ee7\u7eed\u9605\u8bfb\u201cSQL \u589e\u52a0\u81ea\u52a8\u589e\u957fid\u5217\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,9,26],"tags":[358,592,594],"class_list":["post-8930","post","type-post","status-publish","format-standard","hentry","category-sql","category-sql-server-sql","category-26","tag-sql-2","tag-592","tag-594"],"_links":{"self":[{"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/posts\/8930","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/comments?post=8930"}],"version-history":[{"count":1,"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/posts\/8930\/revisions"}],"predecessor-version":[{"id":9833,"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/posts\/8930\/revisions\/9833"}],"wp:attachment":[{"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/media?parent=8930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/categories?post=8930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bohu.net\/blog\/wp-json\/wp\/v2\/tags?post=8930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}