{"id":138897,"date":"2024-10-31T16:14:19","date_gmt":"2024-10-31T08:14:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/138897\/"},"modified":"2024-10-31T16:14:20","modified_gmt":"2024-10-31T08:14:20","slug":"sql-server%e6%8a%80%e5%b7%a7%e4%b9%8b%e5%bf%ab%e9%80%9f%e5%be%97%e5%88%b0%e8%a1%a8%e7%9a%84%e8%a8%98%e9%8c%84%e7%b8%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/138897\/","title":{"rendered":"SQL Server\u6280\u5de7\u4e4b\u5feb\u901f\u5f97\u5230\u8868\u7684\u8a18\u9304\u7e3d\u6578"},"content":{"rendered":"

SQL Server\u6280\u5de7\u4e4b\u5feb\u901f\u5f97\u5230\u8868\u7684\u8a18\u9304\u7e3d\u6578<\/h1>\n

\u5728\u4f7f\u7528SQL Server\u9032\u884c\u6578\u64da\u7ba1\u7406\u6642\uff0c\u7d93\u5e38\u9700\u8981\u7372\u53d6\u67d0\u500b\u8868\u7684\u8a18\u9304\u7e3d\u6578\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u4e86\u89e3\u6578\u64da\u7684\u898f\u6a21\uff0c\u9084\u80fd\u5728\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u6642\u63d0\u4f9b\u91cd\u8981\u7684\u80cc\u666f\u4fe1\u606f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5feb\u901f\u7372\u53d6\u8868\u8a18\u9304\u7e3d\u6578\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n

\u4f7f\u7528COUNT\u51fd\u6578<\/h2>\n

\u6700\u5e38\u898b\u7684\u65b9\u6cd5\u662f\u4f7f\u7528SQL\u7684COUNT\u51fd\u6578\u3002\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u8a08\u7b97\u8868\u4e2d\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u7684\u884c\u6578\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528COUNT\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n

SELECT COUNT(*) FROM \u8868\u540d;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cCustomers\u201d\u7684\u8868\uff0c\u60f3\u8981\u7372\u53d6\u5176\u8a18\u9304\u7e3d\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
SELECT COUNT(*) FROM Customers;<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u201cCustomers\u201d\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u6578\u91cf\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cCOUNT(*)\u6703\u8a08\u7b97\u6240\u6709\u884c\uff0c\u5305\u62ecNULL\u503c\u3002<\/p>\n
\u4f7f\u7528sys.objects\u7cfb\u7d71\u8996\u5716<\/h2>\n
\u53e6\u4e00\u7a2e\u7372\u53d6\u8868\u8a18\u9304\u7e3d\u6578\u7684\u65b9\u6cd5\u662f\u67e5\u8a62SQL Server\u7684\u7cfb\u7d71\u8996\u5716\u3002sys.objects\u8996\u5716\u5305\u542b\u4e86\u6578\u64da\u5eab\u4e2d\u6240\u6709\u5c0d\u8c61\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u8868\u3001\u8996\u5716\u7b49\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u7279\u5b9a\u8868\u7684\u8a18\u9304\u7e3d\u6578\uff1a<\/p>\n
SELECT p.[rows] \nFROM sys.objects AS o\nJOIN sys.partitions AS p ON o.object_id = p.object_id\nWHERE o.name = '\u8868\u540d' AND p.index_id IN (0, 1);<\/code><\/pre>\n
\u9019\u88e1\u7684index_id\u70ba0\u8868\u793a\u5806\u8868\uff0c1\u8868\u793a\u805a\u96c6\u7d22\u5f15\u3002\u9019\u6a23\u7684\u67e5\u8a62\u53ef\u4ee5\u5feb\u901f\u7372\u53d6\u8868\u7684\u884c\u6578\uff0c\u800c\u4e0d\u9700\u8981\u9032\u884c\u5168\u8868\u6383\u63cf\u3002<\/p>\n
\u4f7f\u7528DBCC CHECKIDENT\u547d\u4ee4<\/h2>\n
\u5982\u679c\u8868\u4e2d\u6709\u81ea\u589e\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528DBCC CHECKIDENT\u547d\u4ee4\u4f86\u7372\u53d6\u8868\u7684\u8a18\u9304\u7e3d\u6578\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u8868\u7684\u7576\u524d\u6a19\u8b58\u503c\uff0c\u5f9e\u800c\u9593\u63a5\u5f97\u77e5\u8a18\u9304\u7684\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528DBCC CHECKIDENT\u7684\u793a\u4f8b\uff1a<\/p>\n
DBCC CHECKIDENT ('\u8868\u540d', NORESEED);<\/code><\/pre>\n
\u57f7\u884c\u9019\u500b\u547d\u4ee4\u5f8c\uff0cSQL Server\u6703\u8fd4\u56de\u7576\u524d\u7684\u6a19\u8b58\u503c\uff0c\u9019\u500b\u503c\u901a\u5e38\u7b49\u65bc\u8868\u4e2d\u7684\u8a18\u9304\u6578\u91cf\uff08\u5982\u679c\u6c92\u6709\u522a\u9664\u64cd\u4f5c\u7684\u8a71\uff09\u3002<\/p>\n
\u4f7f\u7528\u4fe1\u606f\u67b6\u69cb\u8996\u5716<\/h2>\n
SQL Server\u9084\u63d0\u4f9b\u4e86\u4fe1\u606f\u67b6\u69cb\u8996\u5716INFORMATION_SCHEMA.TABLES\uff0c\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u8868\u7684\u57fa\u672c\u4fe1\u606f\u3002\u96d6\u7136\u9019\u500b\u8996\u5716\u4e0d\u76f4\u63a5\u63d0\u4f9b\u8a18\u9304\u7e3d\u6578\uff0c\u4f46\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u8868\u7684\u5143\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n
SELECT TABLE_NAME, TABLE_ROWS \nFROM INFORMATION_SCHEMA.TABLES \nWHERE TABLE_NAME = '\u8868\u540d';<\/code><\/pre>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cTABLE_ROWS\u5217\u7684\u503c\u53ef\u80fd\u4e0d\u662f\u5b8c\u5168\u6e96\u78ba\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728SQL Server\u4e2d\uff0c\u6709\u591a\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5feb\u901f\u7372\u53d6\u8868\u7684\u8a18\u9304\u7e3d\u6578\u3002\u7121\u8ad6\u662f\u4f7f\u7528COUNT\u51fd\u6578\u3001\u7cfb\u7d71\u8996\u5716\u9084\u662fDBCC CHECKIDENT\u547d\u4ee4\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u3002\u4e86\u89e3\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\uff0c\u9084\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u66f4\u597d\u7684\u6578\u64da\u5206\u6790\u652f\u6301\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5feb\u901f\u5b78\u7fd2\u5982\u4f55\u5728SQL Server\u4e2d\u9ad8\u6548\u7372\u53d6\u8868\u7684\u8a18\u9304\u7e3d\u6578\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u7ba1\u7406\u6d41\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-138897","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138897","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=138897"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138897\/revisions"}],"predecessor-version":[{"id":138898,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138897\/revisions\/138898"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=138897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=138897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=138897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}