{"id":64348,"date":"2024-10-14T11:17:14","date_gmt":"2024-10-14T03:17:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/64348\/"},"modified":"2024-10-14T11:17:15","modified_gmt":"2024-10-14T03:17:15","slug":"ms-sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bf%ab%e9%80%9f%e7%8d%b2%e5%be%97%e8%a1%a8%e7%9a%84%e8%a8%98%e9%8c%84%e7%b8%bd%e6%95%b8%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/64348\/","title":{"rendered":"MS SQL Server\u6578\u64da\u5eab\u5feb\u901f\u7372\u5f97\u8868\u7684\u8a18\u9304\u7e3d\u6578\u6b65\u9a5f"},"content":{"rendered":"

MS SQL Server\u6578\u64da\u5eab\u5feb\u901f\u7372\u5f97\u8868\u7684\u8a18\u9304\u7e3d\u6578\u6b65\u9a5f<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7372\u53d6\u8868\u7684\u8a18\u9304\u7e3d\u6578\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u70ba\u4e86\u6027\u80fd\u5206\u6790\u3001\u6578\u64da\u5831\u544a\u9084\u662f\u65e5\u5e38\u7dad\u8b77\uff0c\u4e86\u89e3\u5982\u4f55\u5feb\u901f\u7372\u5f97\u8868\u7684\u8a18\u9304\u7e3d\u6578\u90fd\u662f\u4e00\u9805\u91cd\u8981\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5728MS SQL Server\u4e2d\u7372\u53d6\u8868\u8a18\u9304\u7e3d\u6578\u7684\u5e7e\u7a2e\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n

\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528COUNT\u51fd\u6578<\/h2>\n

\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528SQL\u7684COUNT\u51fd\u6578\u3002\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u8a08\u7b97\u8868\u4e2d\u884c\u7684\u6578\u91cf\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\u884c\u6578\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u7a2e\u65b9\u6cd5\u5728\u6578\u64da\u91cf\u8f03\u5927\u6642\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u9700\u8981\u6383\u63cf\u6574\u500b\u8868\u3002<\/p>\n
\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528sys.tables\u548csys.columns\u7cfb\u7d71\u8996\u5716<\/h2>\n
\u53e6\u4e00\u7a2e\u7372\u53d6\u8868\u8a18\u9304\u7e3d\u6578\u7684\u65b9\u6cd5\u662f\u901a\u904e\u7cfb\u7d71\u8996\u5716\u4f86\u67e5\u8a62\u3002MS SQL Server\u63d0\u4f9b\u4e86\u591a\u500b\u7cfb\u7d71\u8996\u5716\uff0c\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u6578\u64da\u5eab\u7684\u5143\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528sys.tables\u548csys.columns\u7684\u793a\u4f8b\uff1a<\/p>\n
SELECT t.name AS TableName, p.rows AS RowCounts\nFROM sys.tables AS t\nINNER JOIN sys.partitions AS p ON t.object_id = p.object_id\nWHERE p.index_id IN (0,1) AND t.name = 'Customers';<\/code><\/pre>\n
\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u201cCustomers\u201d\u8868\u7684\u884c\u6578\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u52e2\u5728\u65bc\u5b83\u4e0d\u9700\u8981\u6383\u63cf\u6574\u500b\u8868\uff0c\u56e0\u6b64\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u6027\u80fd\u66f4\u4f73\u3002<\/p>\n
\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528DBCC SHOW_STATISTICS<\/h2>\n
DBCC SHOW_STATISTICS\u547d\u4ee4\u53ef\u4ee5\u63d0\u4f9b\u6709\u95dc\u8868\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u884c\u6578\u3002\u4f7f\u7528\u9019\u500b\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
DBCC SHOW_STATISTICS('\u8868\u540d', '\u7d22\u5f15\u540d');<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5c0d\u65bc\u201cCustomers\u201d\u8868\u7684\u4e3b\u9375\u7d22\u5f15\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
DBCC SHOW_STATISTICS('Customers', 'PK_Customers');<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\u6709\u95dc\u201cCustomers\u201d\u8868\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u884c\u6578\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u597d\u8655\u662f\u53ef\u4ee5\u7372\u53d6\u66f4\u8a73\u7d30\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u50c5\u9069\u7528\u65bc\u5df2\u7d93\u5efa\u7acb\u7d22\u5f15\u7684\u8868\u3002<\/p>\n
\u65b9\u6cd5\u56db\uff1a\u4f7f\u7528\u4fe1\u606f\u67b6\u69cb\u8996\u5716<\/h2>\n
\u4fe1\u606f\u67b6\u69cb\u8996\u5716\u63d0\u4f9b\u4e86\u6709\u95dc\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u8868\u7684\u884c\u6578\uff1a<\/p>\n
SELECT TABLE_NAME, TABLE_ROWS\nFROM INFORMATION_SCHEMA.TABLES\nWHERE TABLE_NAME = 'Customers';<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\u201cCustomers\u201d\u8868\u7684\u884c\u6578\u3002\u9019\u7a2e\u65b9\u6cd5\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u53ef\u80fd\u4e0d\u5982\u524d\u9762\u63d0\u5230\u7684\u65b9\u6cd5\u7cbe\u78ba\uff0c\u56e0\u70ba\u5b83\u4f9d\u8cf4\u65bc\u7cfb\u7d71\u7684\u7d71\u8a08\u4fe1\u606f\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728MS SQL Server\u4e2d\uff0c\u6709\u591a\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5feb\u901f\u7372\u5f97\u8868\u7684\u8a18\u9304\u7e3d\u6578\u3002\u7121\u8ad6\u662f\u4f7f\u7528COUNT\u51fd\u6578\u3001\u7cfb\u7d71\u8996\u5716\u3001DBCC\u547d\u4ee4\u9084\u662f\u4fe1\u606f\u67b6\u69cb\u8996\u5716\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u548c\u6578\u64da\u91cf\u4f86\u6c7a\u5b9a\u3002\u4e86\u89e3\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u8005\u66f4\u597d\u5730\u9032\u884c\u6027\u80fd\u512a\u5316\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u696d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5feb\u901f\u7372\u5f97MS SQL Server\u6578\u64da\u5eab\u4e2d\u8868\u7684\u8a18\u9304\u7e3d\u6578\uff0c\u7c21\u55ae\u6b65\u9a5f\u52a9\u60a8\u9ad8\u6548\u7ba1\u7406\u6578\u64da\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-64348","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64348","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=64348"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64348\/revisions"}],"predecessor-version":[{"id":64349,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64348\/revisions\/64349"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=64348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=64348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=64348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}