SqlServer性能优化之获取表的数据行数,数据大小,索引大小等

系统视图"sys.tables"相关信息

https://docs.microsoft.com/zh-cn/sql/relational-databases/system-catalog-views/sys-tables-transact-sql

相关SQL如下

USE AdventureWorks2014GO SELECT object_id, index_id, type Into #indexes From sys.indexes;Select object_id, index_id, partition_id Into #parts From sys.partitions;Select object_id, index_id, row_count, partition_id Into #partStats From sys.dm_db_partition_stats;Select t.object_id Id,      s.name SchemaName,      t.name TableName,      t.create_date CreationDate,      t.modify_date LastModifiedDate,      Count(Distinct i.index_id) IndexCount,      Max(ddps.row_count) [RowCount],      Count(Distinct (Case When i.type In (0,1,5) Then p.partition_id Else Null End)) PartitionCount,      Sum(Case When i.type In (0,1,5) Then a.total_pages Else0End) *8DataTotalSpaceKB,      Sum(Case When i.type Not In (0,1,5) Then a.total_pages Else0End) *8IndexTotalSpaceKB,      Sum(a.used_pages) *8UsedSpaceKB,      Sum(a.total_pages) *8TotalSpaceKB,      (Case Max(i.type) When0Then0Else1End)asTableType  From sys.tables t      Join sys.schemas s        On t.schema_id = s.schema_id      Join #indexes i          On t.object_id = i.object_id      Join #parts p          On i.object_id = p.object_id          And i.index_id = p.index_id      Join (Select container_id,                    Sum(used_pages) used_pages,                    Sum(total_pages) total_pages              From sys.allocation_units          Group By container_id) a        On p.partition_id = a.container_id      Left Join #partStats ddps        On i.object_id = ddps.object_id        And i.index_id = ddps.index_id        And i.type In (0,1,5) -- Heap, Clustered, Clustered Columnstore              And p.partition_id = ddps.partition_id  Where t.is_ms_shipped =0And i.object_id >255Group By t.object_id, t.Name, t.create_date, t.modify_date, s.name;Drop Table #indexes;Drop Table #parts;Drop Table #partStats;