示例
SELECT ps.nameAS PartitionScheme
,fg.nameAS [FileGroup]
, prv.*
, LAG(prv.Value) OVER (PARTITION BYps.nameORDER BY ps.name, boundary_id) AS PreviousBoundaryValue
FROM sys.partition_schemesps
INNER JOIN sys.destination_data_spacesdds
ONdds.partition_scheme_id= ps.data_space_id
INNER JOIN sys.filegroupsfg
ONdds.data_space_id= fg.data_space_id
INNER JOIN sys.partition_functionsf
ONf.function_id= ps.function_id
INNER JOIN sys.partition_range_valuesprv
ONf.function_id= prv.function_id
ANDdds.destination_id= prv.boundary_id
