# \u4e00\u500b\u60c5\u6cc1\u4e0b\u9047\u5230\u4e86m$sql express\u7684log.mdf\u7206\u4e86, \u5148\u67e5\u4e00\u4e0b\u5404\u8cc7\u6599\u8868\u5bb9\u91cf<\/p>\n\n\n\n
USE DATABASE_NAME\nGO\nSELECT t.NAME AS TableName,\ni.name as indexName,\nsum(p.rows) as RowCounts,\nsum(a.total_pages) as TotalPages,\nsum(a.used_pages) as UsedPages,\nsum(a.data_pages) as DataPages,\n(sum(a.total_pages) * 8) \/ 1024 as TotalSpaceMB,\n(sum(a.used_pages) * 8) \/ 1024 as UsedSpaceMB,\n(sum(a.data_pages) * 8) \/ 1024 as DataSpaceMB\nFROM sys.tables t\nINNER JOIN sys.indexes i ON t.OBJECT_ID = i.object_id\nINNER JOIN sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id\nINNER JOIN sys.allocation_units a ON p.partition_id = a.container_id\nWHERE t.NAME NOT LIKE 'dt%' \nAND i.OBJECT_ID > 255 \nAND i.index_id <= 1\nGROUP BY t.NAME, i.object_id, i.index_id, i.name\nORDER BY object_name(i.object_id)<\/code><\/pre>\n\n\n\n# \u7e2e\u5c0f\u9ad4\u7a4d<\/p>\n\n\n\n
USE DATABASE_NAME;\nDBCC SHRINKFILE (DATABASE_NAME, 7);\nGO\nDBCC SHRINKFILE (DATABASE_NAME_log, 7);\nGO<\/code><\/pre>\n\n\n\n# \u770b\u4e86\u4e00\u4e0b\u7d50\u679c\u7121\u89e3, \u53ea\u597d\u6e05\u7a7a\u5b83<\/p>\n\n\n\n
TRUNCATE TABLE TABLE_NAME;<\/code><\/pre>\n\n\n\n# \u82e5\u662f\u4e0d\u60f3\u6e05\u7a7a\u6e05\u9664\u90e8\u4efd, \u70ba\u4e86\u4e0d\u8b93ID\u8dd1\u6389(auto increment)<\/p>\n\n\n\n
DBCC CHECKIDENT(table_name, RESEED, new_reseed_value);<\/code><\/pre>\n\n\n\n# \u53e6\u5916\u9019\u662f\u67e5\u770b\u76ee\u9304\u7684id\u503c\u6307\u4ee4<\/p>\n\n\n\n
DBCC CHECKIDENT(table_name);<\/code><\/pre>\n\n\n\n<\/p>\n\n\n\n
<\/p>\n\n\n\n
# \u53e6\u5916, mysql\u7248\u67e5\u5404\u8cc7\u6599\u5eab\u5927\u5c0f<\/p>\n\n\n\n
SELECT table_schema AS "Database",\nROUND(SUM(data_length + index_length) \/ 1024 \/ 1024, 2) AS "Size (MB)"\nFROM information_schema.TABLES\nGROUP BY table_schema;<\/code><\/pre>\n\n\n\n# mysql\u7248\u67e5\u5404\u8cc7\u6599\u8868\u5927\u5c0f<\/p>\n\n\n\n
SELECT\ntable_schema AS "Database",\ntable_name AS Table,\nround(((data_length + index_length) \/ 1024 \/ 1024), 2) Size in MB\nFROM\ninformation_schema.TABLES\nORDER BY\ntable_schema\nDESC;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"# \u4e00\u500b\u60c5\u6cc1\u4e0b\u9047\u5230\u4e86m$sql expres […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-910","post","type-post","status-publish","format-standard","hentry","category-sql"],"_links":{"self":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=910"}],"version-history":[{"count":5,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/910\/revisions"}],"predecessor-version":[{"id":915,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/910\/revisions\/915"}],"wp:attachment":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}