Created
December 3, 2019 16:29
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Three options to find heaps in MSSQL
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-- Heap tables (Method 1) | |
SELECT @@Servername AS ServerName , | |
DB_NAME() AS DBName , | |
t.Name AS HeapTable , | |
t.Create_Date | |
FROM sys.tables t | |
INNER JOIN sys.indexes i ON t.object_id = i.object_id | |
AND i.type_desc = 'HEAP' | |
ORDER BY t.Name | |
--OR | |
-- Heap tables (Method 2) | |
SELECT @@Servername AS ServerName , | |
DB_NAME() AS DBName , | |
t.Name AS HeapTable , | |
t.Create_Date | |
FROM sys.tables t | |
WHERE OBJECTPROPERTY(OBJECT_ID, 'TableHasClustIndex') = 0 | |
ORDER BY t.Name; | |
--OR | |
-- Heap tables (Method 3) also provides row counts | |
SELECT @@ServerName AS Server , | |
DB_NAME() AS DBName , | |
OBJECT_SCHEMA_NAME(ddps.object_id) AS SchemaName , | |
OBJECT_NAME(ddps.object_id) AS TableName , | |
i.Type_Desc , | |
SUM(ddps.row_count) AS Rows | |
FROM sys.dm_db_partition_stats AS ddps | |
JOIN sys.indexes i ON i.object_id = ddps.object_id | |
AND i.index_id = ddps.index_id | |
WHERE i.type_desc = 'HEAP' | |
AND OBJECT_SCHEMA_NAME(ddps.object_id) <> 'sys' | |
GROUP BY ddps.object_id , | |
i.type_desc | |
ORDER BY TableName; |
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