sqlserver查询每张表的大小MB

sqlserver查询每张表的大小MB

SELECT 
    t.NAME AS TableName,
    s.NAME AS SchemaName,
    p.rows AS RowCounts,
    SUM(a.total_pages) * 8 /1024 AS TotalSizeMB 
FROM 
    sys.tables t 
INNER JOIN 
    sys.indexes i ON t.OBJECT_ID = i.object_id 
INNER JOIN 
    sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id 
INNER JOIN 
    sys.allocation_units a ON p.partition_id = a.container_id 
LEFT OUTER JOIN 
    sys.schemas s ON t.schema_id = s.schema_id 
GROUP BY 
    t.Name, s.Name, p.Rows 
ORDER BY 
    TotalSizeMB DESC;

 

查询导出

sqlcmd -S 47.99.32.10 -d LQtex -U webuser -P LQ@2020.com -Q "SELECT t.NAME AS TableName,s.NAME AS SchemaName,p.rows AS RowCounts,SUM(a.total_pages) * 8 /1024 AS TotalSizeMB FROM sys.tables t INNER JOIN sys.indexes i ON t.OBJECT_ID = i.object_id INNER JOIN sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id INNER JOIN sys.allocation_units a ON p.partition_id = a.container_id LEFT OUTER JOIN sys.schemas s ON t.schema_id = s.schema_id GROUP BY t.Name, s.Name, p.Rows ORDER BY TotalSizeMB DESC;"  -o lqtex_table_size.csv

 

 

-- clean table data
TRUNCATE TABLE {table_name};

-- check table size status
sp_spaceused {table_name}

-- check database size status
exec sp_spaceused;

-- 重建非聚集索引
ALTER INDEX ALL ON Rg_Depot_Amz REBUILD;

-- check table index_name
EXEC sp_helpindex table_name;

-- drop table index
DROP INDEX index_name ON table_name;