--查看当前的存放位置 select database_id,name,physical_name AS CurrentLocation,state_desc,size from sys.master_files where database_id=db_id(N'数据库名'); --修改文件的存放位置下次启动生效 --testDb为数据库名, alter database 数据库名 modify file ( name = 文件名(不包含后缀), filename = '文件存储路径'); alter database 数据库名 modify file ( name = 文件名(不包含后缀), filename = '文件存储路径'); eg. alter database testDb modify file ( name = testDb, filename = 'G:/SQL_DATA/testDb/testDb.mdf'); alter database testDb modify file ( name = testDb_log, filename = 'G:/SQL_DATA/testDb/testdb_log.ldf'); --修改默认的数据库文件存放位置(即时生效) EXEC xp_instance_regwrite @rootkey='HKEY_LOCAL_MACHINE', @key='Software/Microsoft/MSSQLServer/MSSQLServer', @value_name='DefaultData', @type=REG_SZ, @value='E:/MSSQL_MDF/data' GO --修改默认的日志文件存放位置<span style="font-family: Arial, Helvetica, sans-serif;">(即时生效)</span> EXEC master..xp_instance_regwrite @rootkey='HKEY_LOCAL_MACHINE', @key='Software/Microsoft/MSSQLServer/MSSQLServer', @value_name='DefaultLog', @type=REG_SZ, @value='E:/MSSQL_MDF/log' GO
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