MSSQL 监控数据/日志文件增长实现方法

                         WHERE    CAST(CAST(dbo.DiskCapacityHistory.Date_CD AS CHAR(8)) AS DATE) = DATEADD(MONTH,
                                                            12,
                                                            CAST(CAST(N.Date_CD AS CHAR(8)) AS DATE))
                                  AND dbo.DiskCapacityHistory.DataBaseID = N.DataBaseID
                                  AND dbo.DiskCapacityHistory.FileID = N.FileID
                       )
 WHEREdbo.DiskCapacityHistory.Date_CD = CAST(REPLACE(CONVERT(VARCHAR(10), GETDATE(), 120),
                                                     ‘-‘, ”) AS INT)

或

CREATE TABLE #DiskCapacityHistory
    (
      DATE_CD INT ,
      DataBaseID INT ,
      FileID INT ,
      Growth_MOM_RAT FLOAT
    ) ;
  INSERTINTO #DiskCapacityHistory
        SELECT  M.DATE_CD ,
                M.DataBaseID ,
                M.FileID ,
                CASE WHEN N.SIZE IS NULL
                          OR N.SIZE = 0 THEN 0
                     ELSE ( M.SIZE – N.SIZE ) / N.SIZE